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United States Utility Patents
3,944,680 - 3,944,689

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NumberTitle
3,944,680 Preparation of whippable emulsions
3,944,681 Foods containing salts of acetyl amino acids as water binders
3,944,682 Method of providing an electrophotographic coating and compositions for the method
3,944,683 Methods of producing chemically hardening coatings
3,944,684 Process for depositing transparent, electrically conductive tin containing oxide coatings on a substrate
3,944,685 Preparation of heat barrier materials
3,944,686 Method for vapor depositing pyrolytic carbon on porous sheets of carbon material
3,944,687 Method of preparing purifying agents consisting of activated siliceous porous mineral substances
3,944,688 Method for the manufacture of water-repellent, fire-resistant nonwoven fabrics
3,944,689 Glossy coating compositions from copolymers of vinylidene fluoride



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