17. Gibson, H. W.; Pochan, J. M.; Hinman, D. Effect of Cholesteryl Alkanoate Structure on the Pitch of the Cholesteric Mesophase, in Liquid Crystals and Ordered Fluids, Vol. 2, Plenum Press, New York, 1974, 593-606.

18. Gibson, H. W. Synthesis of Some New Cholesteryl Esters of Chiral Alkanoic Acids, Mol. Cryst. Liq. Cryst., 1974, 27, 43.

19. Gibson, H. W.; Popp, F. D. Reissert Compound Studies. Part XXV. A Novel Reaction with 2-Nitrobenzaldehyde and the Anion of 2-Acetyl-1,2-dihydroisoquinoldonitrile, Heterocycles, 1974, 2, 5.

20. Gibson, H. W.; Bailey, F. C. Linear Free Energy Relationships. II. Synthesis and Spectral Characterization of Some New Solvatochromics: 5'-Substituted-2-hydroxy-4-stilbazole Derivatives, Tetrahedron, 1974, 30, 2043.

21. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. II. Reaction of Poly(vinylbenzyl Chloride) and Phenols, J. Polym. Sci., Polym. Chem. Ed., 1974, 12, 2141.

22. Pochan, J. M.; Gibson, H. W. The Effect of Structure on the Mesomorphic Properties of Cholesteryl Alkanoates. V. Electric Field Effects on a Uniaxial Smectic Phase of Mixtures of Cholesteryl Alkanoates, J. Phys. Chem., 1974, 78, 1740.

23. Gibson, H. W. Chemical Modification of Polymers. III. An Unusually Facile Displacement Reaction Involving the Anion of a Reissert Compound, Macromolecules, 1974, 7, 711.

24. Gibson, H. W. Chemical Modification of Polymers. IV. Another Example of Facile Nucleophilic Attack on a Polymer by a Reissert Anion, Macromolecules, 1975, 8, 89.

25. Kuder, J. E.; Gibson, H. W.; Wychick, D. Electrochemical Characterization of Salicyladehyde Anils, J. Org. Chem., 1975, 40, 875.

26. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. V. Oxidation of Poly(vinylbenzyl chloride) to Poly(vinylbenzaldehyde), J. Polym. Sci., Polym. Chem. Ed., 1975, 13, 1951.

27. Gibson, H. W.; Bailey, F. C. Linear Free Energy Relationships. IV. Synthesis and Spectral Characterization of Some New Solvatochromics. N-(p-Substituted)benzyl 2'-Hydroxy-4-stilbazolium Betaines, Can. J. Chem., 1975, 53, 2162.

28. Gibson, H. W. Linear Free Energy Relationships. V. Triboelectric Charging of Organic Solids, J. Amer. Chem. Soc., 1975, 97, 3822.

29. Gibson, H. W.; Bailey, F. C. Linear Free Energy Relationships. VI. Acidity of N-Methyl 5'-Substituted-2'-hydroxyl-4-stilbazolium Iodides, J. Chem. Soc., Perkin Trans. II, 1976, 196.

30. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. VI. Displacement of Reactive Halogens by Isoquinoline Reissert Compound Anions, Macromolecules, 1976, 9, 10.

31. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. VII. Condensation of Polymeric Aldehydes with the Anion of an Isoquinoline Reissert Compound, J. Polym. Sci., Polym. Chem. Ed., 1976, 14, 1661.

32. Gibson, H. W.; Bailey, F. C. Synthesis of Some New Hindered Biaryls, J. Org. Chem., 1976, 41, 557.

33. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. VIII. Reaction of Quinoline Reissert Compounds (1-Acyl-1,2-dihydroquinaldonitriles) with Polymeric Halides and Aldehydes, Macromolecules, 1976, 9, 221.

34. Gibson, H. W.; Bailey, F. C. Linear Free Energy Relationships. VII. Synthesis of Properties of a Novel 'Double-Barrelled' Solvatochromic Compound, J. Chem. Soc., Perkin Trans. II, 1976, 1575.

35. Gibson, H. W. The Effect of Structure on the Mesomorphic Properties of Cholesteryl Alkanoates. VI. Effect of Configuration in Chiral Alkanoates, J. Phys. Chem., 1976, 80, 1310.

36. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. IX. Attack of Nitrogen Anions on Poly(vinylbenzyl Chloride), Macromolecules, 1976, 9, 688.

37. Gibson, H. W.; Bailey, F. C. Synthesis and Polymerization of Some New Carbazole and Phthalimide Monomers, Macromolecules, 1977, 10, 602.

38. Szyper, M.; Zuman, P.; Gibson, H. W. Polarography and Solvatochromism. Comparison of Electrochemical and Spectral Properties of 5'-Methoxy-2-hydroxy-N-methyl-4-stilbazolium Iodide, J. Chem. Soc., Far. Trans. I, 1977, 73, 1032.

39. Gibson, H. W. Linear Free Energy Relationships. VIII. Ionization Potentials of Aliphatic Compounds, Can. J. Chem., 1977, 55, 2637.

40. Gibson, H. W.; Bailey, F. C. Linear Free Energy Relationships. IX. Triboelectric Charging of Poly(olefins), Chem. Phys. Letters, 1977, 51, 352.

41. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. X. Borohydride Reducing Agents Derived from Anion Exchange Resins, J. Chem. Soc., Chem. Comm., 1977, 815.

42. Pochan, J. M.; Gibson, H. W.; Froix, M. F.; Hinman, D. F. Dielectric Relaxations in Solid Solutions of Bis(phenol)-A Diphenyl Carbonate and Lexan Polycarbonate, Macromolecules, 1978, 11, 165.

43. Salaneck, W. R.; Paton, A.; Gibson, H. W. Electron Spectroscopy for Chemical Analysis: Applications to Materials for Electrophotography, Inst. Electrical Electronics Eng., Trans. Ind. Appl., 1978, A-14, 443.

44. Salaneck, W. R.; Gibson, H. W.; Bailey, F. C.; Pochan, J. M.; Thomas, H. R. Molecular Orientation at the Surface of an Ion Exchanged Sulfonated Polystyrene, J. Polym. Sci., Polym. Letters Ed., 1978, 16, 447.

45. Gibson, H. W.; Bailey, F. C.; Chu, J. Y. C.; Chemical Modification of Polymers, XI. XI. Photoreactive Polymers from Poly(vinylbenzyl chloride), J. Polym. Sci., Polym. Chem. Ed., 1979, 17, 777.

46. Gibson, H. W.; Bailey, F. C.; Pochan, J. M. Synthesis and Thermal Characterization of Some Novel Phenol Carbonates, J. Polym. Sci., Polym. Chem. Ed., 1979, 17, 2499.

47. Gibson, H. W.; Bailey, F. C.; Mincer, J. L.; Gunther, W. H. H. Chemical Modification of Polymers, XII. Control of Triboelectric Charging Properties of Polymers by Chemical Modification, J. Polym. Sci., Polym. Chem. Ed., 1979, 17, 2961.

48. Gibson, H. W.; Pochan, J. M.; Bailey, F. C. Surface Analyses by a Tribolelectric Charging Technique, Anal. Chem., 1979, 51, 483.

49. Pochan, J. M.; Gibson, H. W.; Bailey, F. C.; Pochan, D. F. Space Charge Effects of Semiconductive Coatings on Triboelectric Charge Exchange, J. Electrostatics, 1980, 8, 183.

50. Bigelow, R. W.; Pochan, J. M.; Bailey, F. C.; Salaneck, W. R.; Thomas, H. R.; Pochan, D. F.; Gibson, H. W. Structure Variation of Sulfonated Polystyrene Surfaces, Advances in Chemistry, 1980, 187, 295.

51. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers. XIII. Sulfonation of Polystyrene Surfaces, Macromolecules, 1980, 13, 34.

52. Pochan, J. M.; Gibson, H. W.; Bailey, F. C.; Pochan, D. F. Oxygen Doping of Polyacetylene as Determined via Dielectric Techniques, Polymer, 1980, 21, 250.

53. Pochan, J. M.; Gibson, H. W.; Bailey, F. C. Oxygen Doping of Polyacetylene, J. Polym. Sci., Polym. Lett. Ed., 1980, 18, 447.

54. Gibson, H. W.; Bailey, F. C.; Epstein, A. J.; Rommelmann, H.; Pochan, J. M. A New Free-Standing Dopable Electrically Conducting Polyene Film, J. Chem. Soc., Chem. Comm., 1980, 426.

55. Epstein, A. J.; Gibson, H. W.; Chaikin, P. M.; Clark, W. G.; Gruner, G. Frequency and Electric Field Dependent Conductivity of Metallic Polyacetylene, Phys. Rev. Lett., 1980, 45, 1730.

56. Gibson, H. W.; Bailey, F. C. Chemical Modification of Polymers, 17. Dyeing of Sulfonated Polystyrene Films by Ion Exchange with Cationic Dyes, Polymer, 1981, 22, 1068.

57. Pochan, J. M; Pochan, D. F.; Gibson, H. W. The Kinetics of Oxygen Doping and Oxidation of Poly(1,6-heptadiyne), Polymer, 1981, 22, 1367.

58. Pochan, J. M.; Pochan, D. F.; Rommelmann, H.; Gibson, H. W. Kinetics of Doping and Degradation of Polyacetylene by Oxygen, Macromolecules, 1981, 14, 110.

59. Gibson, H. W.; Olin, G. R.; Pochan, J. M. Linear Free Energy Relationships. X. Synthesis, Thermal, Electrochemical and Hole Transport (Conduction) Properties of Some Novel Carbazole Derivatives, J. Chem. Soc., Perkin II, 1981, 1267.

60. Gibson, H. W.; Pochan, J. M.; Kaplan, S. 13C Magic Angle NMR Study of the Isomerization of Cis- to Trans-Polyacetylene, J. Am. Chem. Soc., 1981, 103, 4619.

61. Epstein, A. J.; Rommelmann, H.; Gibson, H. W. Conducting Polymers: Polyacetylene, Mat. Sci., 1981, 7, 133.

62. Epstein, A. J.; Gibson, H. W.; Chaikin, P. M.; Clark, W. G.; Gruner, G. Electric Field Dependent Conductivity of Metallic Polyacetylene, Chimica Scripta, 1981, 17, 135.

63. Epstein, A. J.; Rommelmann, H.; Abkowitz, M.; Gibson, H. W. Frequency Dependent Conductivity of Polyacetylene, Mol. Cryst. Liq. Cryst., 1981, 77, 81.

64. Rommelmann, H.; Fernquist, R.; Gibson, H. W.; Epstein, A. J.; Druy, M. A.; Woerner, T. Morphology and Dopant Distribution in (CH)x, Mol. Cryst. Liq. Cryst., 1981, 77, 177.

65. Epstein, A. J.; Rommelmann, H.; Abkowitz, M.; Gibson, H. W. Anomalous Frequency Dependent Conductivity of Polyacetylene, Phys. Rev. Lett., 1981, 47, 1549.

66. Pochan, J. M.; Harbour, J.; Gibson, H. W. The Effect of a Free Radical Quencher on the Intrinsic Conductivity, Oxidative Stability and Free Radical Population of Poly (1,6-heptadiyne), Polymer, 1982, 23, 435.

67. Pochan, J. M.; Harbour, J.; Gibson, H. W. Effects of Oxidation on I2 Doping of Trans-Polytacetylene as Studied Via ESR and Conductivity Measurements, Polymer, 1982, 23, 439.

68. Pochan, J. M.; Gibson, H. W. Dye Sensitization of Poly(N-vinylcarbazole) by Sulfonation and Ion Exchange, J. Polym. Sci., Polym. Phys. Ed., 1982, 20, 2059.

69. Hoffman, D. M.; Tanner, D. B.; Epstein, A. J.; Gibson, H. W. Far Infrared Absorption in (CH)x Below the Non-metal-Metal Transition, Mol. Cryst. Liq. Cryst., 1982, 83, 1175.

70. Gibson, H. W.; Pochan, J. M. Chemical Modification of Polymers, 19. Oxidation of Polyacetylene, Macromolecules, 1982, 15, 242.

71. Epstein, A. J.; Rommelmann, H.; Fernquist, R.; Gibson, H. W.; Druy, M. A.; Woerner, T. Morphology of Polyacetylene and Doped Polyacetylene, Polymer, 1982, 23, 1211.

72. Pochan, J. M.; Gibson, H. W.; Pochan, D. F. Dielectric Relaxation Studies on Bis(phenol-A) Bis(cumylphenyl) Carbonate/Lexan Polycarbonate Solid Solutions, Macromolecules, 1982, 15, 1368.

73. Salaneck, W. R.; Gibson, H. W.; Plummer, E. W.; Tonner, B. H. Ultraviolet Photoelectron Spectroscopy of Optically Excited States in Trans-polyacetylene, Phys. Rev. Lett., 1982, 45, 801.

74. Hoffman, D. M.; Gibson, H. W.; Epstein, A. J.; Tanner, D. B. Conversion of Cis-Polyacetylene to Trans-Polyacetylene During Doping, Phys. Rev. B., 1983, 27, 1454.

75. Robin, P.; Pouget, J. P.; Comes, R.; Gibson, H. W.; Epstein, A. J. Structural Study of the Cis to Trans Thermal Isomerization of Polyacetylene, Phys. Rev. B., 1983, 27, 3938.

76. Andres, J. R.; Orlowski, T. E.; Gibson, H. W.; Slade, M. L. Hot Luminescence in Trans-polyacetylene: A Picosecond Time Resolved Study, Phys. Rev. B., 1983, 27, 6545.

77. Epstein, A. J.; Rommelmann, H.; Bigelow, R.; Gibson, H. W.; Hoffman, D. M.; Tanner, D. B. Role of Solitons in Nearly Metallic Polyacetylene, Phys. Rev. Lett., 1983, 50, 1866.

78. Epstein, A. J.; Rommelmann, H.; Bigelow, R.; Gibson, H. W.; Hoffman, D. M.; Tanner, D. B. Coordinated Study of Nearly Metallic Polyacetylene: Role of Solitons, J. Physique, 1983, 44 (6), C-3, 61.

79. Robin, P.; Pouget, J. P.; Comes, R.; Gibson, H. W.; Epstein, A. J. Structural Study of the Cis-to-Trans Thermal Isomerization in Polyacetylene, J. Physique, 1983, 44 (6), C-3, 77.

80. Robin, P.; Pouget, J. P.; Comes, R.; Gibson, H. W.; Epstein, A. J. X-Ray Diffraction Studies of Iodine Doped Polyacetylene, J. Physique, 1983, 44 (6), C-3, 87.

81. Gibson, H. W.; Weagley, R. J.; Prest, Jr. W. M.; Mosher, R.; Kaplan, S. Cis-Trans Isomerization of Polyacetylene, J. Physique, 1983, 44(6), C-3, 123.

82. Sokol, P. E.; Gaines, J. R.; Cho, S. J.; Tanner, D. B.; Gibson, H. W.; Epstein; A. J. Frequency and Temperature Dependence of ¹H NMR T₁ of Trans-(CH)x, J. Physique, 1983, 44(6), C-3, 349.

83. Gibson, H. W.; Epstein, A. J.; Rommelmann, H.; Tanner, D. B.; Yang, X. Q.; Pochan, J. M. Substituted Polyacetylenes by Cyclopolymerization: Poly (1,6-heptadiyne) and Poly(propiolic anhydride), J. Physique, 1983, 44(6), C-3, 651.

84. Gibson, H. W.; Bailey, F. C.; Epstein, A. J.; Rommelmann, H.; Kaplan, S.; Harbour, J.; Yang, X.; Tanner, D. B.; Pochan, J. M. Poly(1,6-heptadiyne), A Free-standing Polymer Film Dopable to High Electrical Conductivity, J. Am. Chem. Soc., 1983, 105, 4417.

85. Pochan, J. M.; Gibson, H. W. Barrier Activated I₂ Doping of Trans-Polyacetylene as Studied by ESR, Polym. Comm., 1983, 24, 322.

86. Gibson, H. W. Dyed Sulfonated Polystyrene Films: Relationship of Triboelectric Charging and Molecular Orbital Energy Levels, in Modification of Polymers, C. E. Carraher, Jr. and J. A. Moore, Eds., Plenum Pub. Corp., New York, N.Y., 1983, 353-372 (Invited).

87. Robin, P.; Pouget, J. P.; Comes, R.; Gibson, H. W.; Epstein, A. J. X-Ray Diffraction Studies of Iodine Doped Polyacetylene, Polymer, 1983, 24, 1558.

88. Epstein, A. J.; Rommelmann, H.; Bigelow, R.; Gibson, H. W.; Hoffman, D. M.; Tanner, D. B. Response to Comment on 'Role of Solitons in Nearly Metallic Polyacetylene', Phys. Rev. Lett., 1983, 51, 2020.

2. Gibson, H. W. Cholestric Mesophases, Chap. in Liquid Crystals, the Fourth State of Matter, F. D. Saeva, Ed., M. Dekker, Inc., N.Y., 1979, pp. 99-162 (Invited).

3. Gibson, H. W.; Pochan, J. M. Study Guide to Introduction to Polymer Chemistry, American Chemical Society, 1981, Washington, D. C. (56 pages).

4. Duke, C. B.; Gibson, H. W. Conductive Polymers, Kirk-Othmer Encyclopedia of Chemical Technology, J. Wiley and Sons, N.Y., Vol. 18, 1982, pp. 755-794 (Invited).

1. Gibson, H. W.; Chu, J. Y. C. Photosensitive Polymers, Xerox Disclosure Journal, 1977, 2, 21.

2. Gibson, H. W.; Salaneck, W. R.; Bailey, F. C.; Pochan, J. M.; Thomas, H. R. Molecular Orientation at the Surface of an Ion Exchanged Sulfonated Polystyrene, Polym. Preprints, 1978, 19(2), 320.

3. Chu, J. Y. C.; Gibson, H. W. Photosensitive Polymers, Xerox Disclosure Journal, 1979, 4, 573.

4. Pochan, J. M.; Gibson, H. W. Effects of Oxygen Upon the Conductivity of Polyacetylene, A. C. S. Org. Coatings Plast. Chem., 1980, 42, 600.

5. Gibson, H. W.; Bailey, F.C.; Pochan, J. M.; Epstein, A. J.; Rommelmann, H. New Free-Standing Conductive Substituted Polyacetylene Film, A. C. S. Org. Coatings Plast. Chem., 1980, 42, 603.

6. Pochan, J. M.; Epstein, A. J.; Gibson, H. W. Chemical Modification of Conductive Polymers, Electrochem. Soc. Ext. Abstr., 1980, 80-1, 165.

7. Gibson, H. W.; Bailey, F. C.; Rommelmann, H. R.; Epstein, A. J.; Pochan, J. M. Synthesis, Characterization and Doping of a Substituted Polyacetylene, A. C. S. Org. Coatings Plast. Chem., 1980, 43, 860.

8. Pochan, J. M.; Gibson, H. W. Effect of Free Radicals (Solitons) on the Kinetics of Oxidation and Doping of Polyenes, A. C. S. Org. Coatings Plast. Chem., 1980, 43, 872.

9. Gibson, H. W.; Bailey, F. C.; Pochan, J. M.; Harbour, J. The Cyclopolymer Poly(1,6-heptadiyne): Doping and Oxidation, Polym. Preprints, 1981, 22(1), 35.

10. Gibson, H. W.; Bailey, F. C.; Pochan, J. M.; Harbour, J. The Cyclopolymer Poly(1,6-heptadiyne): Doping and Oxidation, A. C. S. Org. Coatings Plast. Chem., 1981, 44, 462.

11. Pochan, J. M.; Gibson, H. W.; Bailey, F. C. Sulfonated Tower Compositions, Xerox Disclosure J., 1981, 6, 393.

12. Gibson, H. W. Dyed Sulfonated Polystyrene Films as Probes of Molecular Basis of Triboelectric Charging, A. C. S. Org. Coatings, Plast. Chem., 1982, 46, 436.

13. Epstein, A. J.; Rommelmann, H.; Abkowitz, M.; Gibson, H. W. Frequency Dependence of Conductivity: Applications to Conducting Polymers, Polym. Preprints, 1982, 23, 88.

14. Kaplan, S.; Gibson, H. W.; Mosher, R. S.; Prest, W. M., Jr. A Solid State Carbon-13 Nuclear Magnetic Resonance and Infrared Investigation of Isomerization of Polyacetylene, Proceedings, IUPAC 28th Macromolecular Symposium, Amherst, MA, July 12-16, 1982, p. 16.

15. Gibson, H. W.; Pochan, J. M. New Conducting Polymers, Proceedings, IUPAC 28th Macromolecular Symposium, Amherst, MA, July 12-16, 1982, p. 406.

16. Pochan, J. M.; Gibson, H. W. Chemical Stability of Polyacetylene and Poly(1,6-heptadiyne), Proceedings, IUPAC 28th Macromolecular Symposium, Amherst, MA, July 12-16, 1982, p. 414.

17. Epstein, A. J.; Rommelmann, H.; Kaufer, J. W.; Gibson, H. W. Charge Transport Studies of Conducting Polymers, Proceedings, IUPAC 28th Macromolecular Symposium, Amherst, MA, July 12-16, 1982, p. 420.

18. Gibson, H. W.; Prest, W. M.; Mosher, R. A.; Kaplan, S.; Weagley, R. J. Thermal Isomerization of Polyacetylene Films, Polymer Preprints, 1983, 24(2), 153.

1. H. W. Gibson and F. D. Saeva, Electrostatographic Carrier Composition, U.S. Patent 4,043,929 (1977).

2. H. W. Gibson and F. D. Saeva, Tribo Modified Toner Materials Via Silylation and Electrostatographic Imaging Process, U.S. Patent 4,070,186 (1978).

3. H. W. Gibson and W. H. H. Gunther, Triboelectrically Controlled Covalently Dyed Toner Materials, U.S. Patent 4,070,296 (1978).

4. H. W. Gibson, F. C. Bailey and J. L. Mincer, Tribo Modified Carrier Materials via Acylation, U.S. Patent, 4,076,893 (1978).

5. H. W. Gibson and W. H. H. Gunther, Imaging Method Utilizing Functionalized Carrier Materials, U.S. Patent, 4,078,926 (1978).

6. H. W. Gibson and W. H. H. Gunther Aminolyzed Toner Compositions and Imaging Process Using Same, U.S. Patent 4,078,931 (1978).

7. H. W. Gibson and W. H. H. Gunther, Aminolyzed Carrier Coatings, U.S. Patent 4,079,166 (1978).

8. H. W. Gibson and F. D. Saeva, Imaging Process Utilizing Silylated Coated Carriers, U.S. Patent 4,092,163 (1978).

9. H. W. Gibson and W. H. H. Gunther, Developer Composition Comprising Aminolyzed Carrier Coatings, U.S. Patent 4,094,803 (1978).

10. H. W. Gibson, F. C. Bailey and J. L. Mincer, Tribo Modified Toner Materials via Acylation, U.S. Patent 4,134,760 (1979).

11. J. L. Mincer, H. W. Gibson and F. C. Bailey, Triboelectric Modified Carrier for Electrostatographic Developer, U.S. Patent 4,152,279 (1979).

12. H. W. Gibson, F. C. Bailey and J. L. Mincer, Carrier Coated with Acyl Modified Styrene Copolymer, Used in Electrostatic Imaging Process, U.S. Patent 4,156,607 (1979).

1. H. W. Gibson, Electrostatographic Developer Mixture Containing Fine Particles of Systematically Halogenated, Acylated, Alkylated, or Nitrated-Oxidized Aromatic Polymer, German Offen. 252993 (1976).

2. H. W. Gibson and W. H. H. Gunther, Electrostatographic Toner Mixture - Containing Fine Toner Particles Consisting of Activated Polymer Containing Covalently Bonded Active Dye Groups, German Offen. 2,537,132 (1976).

3. H. W. Gibson and W. H. H. Gunther, Electrostatographic Toner Mixture - Containing Fine Toner Particles Consisting of Activated Polymer Containing Covalently Bonded Active Dye Groups, Netherlands Patent 7,510,079 (1976).

4. H. W. Gibson, Electrostatographic Developer Mixture Containing Fine Particles of Systematically Halogenated, Acylated, Alkylated or Nitrated - Oxidized Aromatic Polymer, Netherlands Patent 7,510,081 (1976).

5. H. W. Gibson and F. D. Saeva, Electrostatic Developers, Netherlands Patent 7,510,082 (1976).

6. H. W. Gibson, F. C. Bailey and J. Mincer, Electrostatographic Developer Mixture - Containing Fine Activated Polymer Particles Obtained by Acylating Hydroxyl or Amino Groups in Initial Polymer, Netherlands Patent 7,510,083 (1976).

7. H. W. Gibson and W. H. H. Gunther, Electrostatographic Developer Mixture - Containing Fine Activated Polymer Particles Obtained by Aminolysis of Ester Groups in Initial Polymer, Netherlands Patent 7,510,084 (1976).

8. H. W. Gibson and W. H. H. Gunther, Tribolelectrically Controlled Covalently Dyed Toner Materials, British Patent 1,502,817 (1978).

9. H. W. Gibson and W. H. H. Gunther, Electrostatographic Developer Compositions, British Patent 1,525,702 (1978).

10. H. W. Gibson and F. D. Saeva, Electrostatographic Developer Mixtures, British Patent 1,525,703 (1978).

11. H. W. Gibson, Imaging System, British Patent 1,525,704 (1978).

12. H. W. Gibson and F. D. Saeva, Electrostatic Developers, British Patent 1,525,705 (1978).