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Class Information
Number: 428/921
Name: Stock material or miscellaneous articles > Fire or heat protection feature > Fire or flameproofing
Description: Stock material product in which the product prevents fire or a flame from passing therethrough.

Patents under this class:

Patent Number Title Of Patent Date Issued
4054715 Sewing thread containing a flame retardant lubricant Oct. 18, 1977
4054720 Flame retardant polyester article, method for the production of the same and compositions for retarding the flammability of polyester article Oct. 18, 1977
4052526 Intumescent fire retardant material and article Oct. 4, 1977
4049754 Tribromoneopentyl phosphorus reactive flame retardants Sep. 20, 1977
4043950 Process for the manufacture of plastic foams and flame-proofing foams characterized by the use of a carrier foam Aug. 23, 1977
4038447 Flame resistant insulation blanket Jul. 26, 1977
4038451 Compositions comprising polyalkylenepolyamines and a mixture of mono- and diammonium phosphates as fire retardants for cellulosic substrates Jul. 26, 1977
4035571 Fire retardant copolymers Jul. 12, 1977
4034136 Flame-retardant resin compositions Jul. 5, 1977
4034141 Brominated phosphoramidates Jul. 5, 1977
4031289 Stain resistant polyester-coated block Jun. 21, 1977
4028053 Fire retardant fabrics and method for preparation thereof Jun. 7, 1977
4026808 Flame retardant textile finishes May. 31, 1977
4027062 Composition and method for imparting fire resistance and water repellency to fabric May. 31, 1977
4024308 Durably flame proofed textile materials May. 17, 1977
4024310 Laminates May. 17, 1977
4020224 Flame retardant method Apr. 26, 1977
4020225 Metal clad laminate composed of flame resistant thermosetting resin composition Apr. 26, 1977
4020262 Method of applying phosphoramide-hydroxymethyl phosphine condensation products for textile fire retardation Apr. 26, 1977
4018962 Arc and fireproofing tape Apr. 19, 1977
4018983 Electrical arc and fire protective sheath, boot or the like Apr. 19, 1977
4018560 Dialkyl alkyl and cyclic phosphoramidomethyl phosphonates Apr. 19, 1977
4017257 Textiles fire-retardant treated with copolycondensed vinylphosphonates and process Apr. 12, 1977
4017258 Method of forming a pressure seal employing an air-balance in a high pressure steamer Apr. 12, 1977
4017316 Fireproof stamping mass for tap spouts and flues in blast furnaces Apr. 12, 1977
4017455 Polyolefins and polyesters flame-proofed with carboxyalkyl and carbamoylalkyl substituted poly(phosphine oxides) Apr. 12, 1977
4017457 Flame retardant polycarbonate compositions Apr. 12, 1977
4015386 Fire-retardant low temperature insulating building panel Apr. 5, 1977
4014770 Electron beam cured intumescent coating composition Mar. 29, 1977
4015037 Durable flame retardant finishes for textile materials Mar. 29, 1977
4013813 Aminoalkylphosphonic acid ester-based textile fire retardants Mar. 22, 1977
4013814 Poly(haloethyl-ethyleneoxy) phosphoric acid ester polymers Mar. 22, 1977
4013815 Fire retardant unsaturated polyesters Mar. 22, 1977
4012231 Process for the manufacture of fillers from solid waste Mar. 15, 1977
4012507 Vapor phase process to impart smolder resistance to cotton batting and other cellulosic materials Mar. 15, 1977
4012546 Flame-retardant carpet Mar. 15, 1977
4012558 Process for the manufacture of flame-resistant boards, a flame-retardant mixture and a flame-retardant bonding composition containing the same Mar. 15, 1977
4008345 Process for fire-proofing treatment of shaped articles of aromatic polyamides Feb. 15, 1977
4005241 Metal plated polymeric article Jan. 25, 1977
4003864 Intumescent composition Jan. 18, 1977
4004053 Stabilization of acrylic fibers and films Jan. 18, 1977
4001126 Heat protective material and method of making the material Jan. 4, 1977
4001477 Flame resistant cloth Jan. 4, 1977
3997699 Flame resistant substrates Dec. 14, 1976
3996142 Smoke and fire retardants for halogen-containing plastic compositions comprising the reaction product of magnesium oxide and a zinc salt of an acid Dec. 7, 1976
3996325 Preparation of a three layer, fire retardant particleboard Dec. 7, 1976
3992842 Roof construction of a plurality of thermoplastic composite sheets with inorganic flameproofing layer Nov. 23, 1976
3993852 Process for flameproofing organic fiber materials by the transfer process Nov. 23, 1976
3991021 Intumescent composition Nov. 9, 1976
3991252 Novel product and process Nov. 9, 1976

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