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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:
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Patent Number Title Of Patent Date Issued
4348306 Flame retardants Sep. 7, 1982
4347284 White cover sheet material capable of reflecting ultraviolet rays Aug. 31, 1982
4345002 Novel intumescent composition and flame retardant articles treated therewith Aug. 17, 1982
4342669 Fire-retardant insulating composition and its production Aug. 3, 1982
4339491 Process for bonding wallpapers to wall insulations and composite sheeting prepared in accordance therewith Jul. 13, 1982
4332852 Conditioned colloidal silica post impregnant to prevent binder migration in the production of insulation articles comprising randomly oriented refractory fibers Jun. 1, 1982
4332855 Polymeric compositions Jun. 1, 1982
4324835 Cellular intumescent materials Apr. 13, 1982
4319940 Methods of making cable having superior resistance to flame spread and smoke evolution Mar. 16, 1982
4320163 Three-dimensional ceiling board facing Mar. 16, 1982
4315847 Linear saturated polyesters of phosphoric acid and halogenated diols as flame-retardant additives and coatings Feb. 16, 1982
4315969 Linear saturated polyesters of phosphoric acid and halogenated diols as flame-retardant additives and coatings Feb. 16, 1982
4311554 Incombustible material Jan. 19, 1982
4311749 Flame-proof flexible printed circuit board Jan. 19, 1982
4310587 Fire resistant vapor barrier Jan. 12, 1982
4307756 Thermally insulated tubing Dec. 29, 1981
4305985 Wall covering material Dec. 15, 1981
4304052 Drying intumescent material Dec. 8, 1981
4304814 Flameproof textile articles based on halogen-containing modacrylic polymers Dec. 8, 1981
4303723 Sound barrier material Dec. 1, 1981
4302340 Flame retardant polyol compositions and their preparation Nov. 24, 1981
4302345 Flame retarding cellulosic materials with sodium or potassium thiocyanate Nov. 24, 1981
4299872 Intumescent material-honeycomb thermal barrier Nov. 10, 1981
4299875 Fire retardant printed wood paneling Nov. 10, 1981
4299877 Cladding and method of making same Nov. 10, 1981
4297138 Copolycondensation products of .beta.-haloalkyl phosphates and dialkyl phosphonates Oct. 27, 1981
4297252 Aging-resistant fireproofing material Oct. 27, 1981
4295886 Flame-retardant polyester fiber compositions Oct. 20, 1981
4296170 Fireproof laminates Oct. 20, 1981
4292358 Heat protective barrier comprising apertured member having intumescent coating Sep. 29, 1981
4292369 Fireproof laminates Sep. 29, 1981
4291088 Foam products from furfuryl alcohol-amino-formaldehyde Sep. 22, 1981
4289662 Method of making crude boric acid from borate and sulfuric acid Sep. 15, 1981
4288489 Process for flameproofing organic fibrous material with phosphonic acid salts Sep. 8, 1981
4288491 Laminated plastic material Sep. 8, 1981
4287248 Bituminized roof sheet Sep. 1, 1981
4285842 Method for producing a fibrous fire protection agent Aug. 25, 1981
4286013 Flame barrier Aug. 25, 1981
4283501 Fire-retardant composition containing derivatives of polyphosphoric acid partial esters Aug. 11, 1981
4282276 Thermal insulation packet Aug. 4, 1981
4277532 Thermally expandable sealants Jul. 7, 1981
4275769 Fireguard for hose assembly Jun. 30, 1981
4276332 Fire proof cable tray enclosure Jun. 30, 1981
4276343 Active phosphorus nitrides containing hydroxyl and halogen, and process for making them Jun. 30, 1981
4273687 Preparation of guanidine phosphate for hardboard flame retardant use Jun. 16, 1981
4273691 Flame retardant compositions and coated article Jun. 16, 1981
4273821 Fire protective tape Jun. 16, 1981
4272385 Perfumed fireproofing composition Jun. 9, 1981
4268572 Sulfur-based roof shingles May. 19, 1981
4268574 Prefabricated self-supporting panels and manufacture process thereof May. 19, 1981

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