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Browse by Category: Main > Material Science
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
4268581 Fire-screening glazing panels and method of manufacturing same May. 19, 1981
4267220 Dust-controlling mat having good flame-proofness May. 12, 1981
4267227 Press fabric resistant to wad burning May. 12, 1981
4265317 Fire resistant Material May. 5, 1981
4265963 Flameproof and fireproof products containing monoethanolamine, diethylamine or morpholine May. 5, 1981
4264671 Phenol formaldehyde resoles and laminates Apr. 28, 1981
4264681 Fire resistant glass window Apr. 28, 1981
4263365 Fire-resistant safe and panel Apr. 21, 1981
4259989 Chafe or fire sleeve for hose Apr. 7, 1981
4260514 Urethane foam compositions Apr. 7, 1981
4259092 Adsorptive material Mar. 31, 1981
4259396 Flame retardant treatment for polyester products Mar. 31, 1981
4258093 Molding nonwoven, needle punched fabrics into three dimensional shapes Mar. 24, 1981
4256786 Chemical protective, fire resistant composition Mar. 17, 1981
4256799 Fireproof laminates Mar. 17, 1981
4255482 Vibration-absorbing fire-resisting floor for vehicles, vessels or the like Mar. 10, 1981
4255483 Fire barrier compositions and composites Mar. 10, 1981
4254177 Fire-retardant product and method of making Mar. 3, 1981
4252857 Flameproofing substrate Feb. 24, 1981
4251579 Fire protection means Feb. 17, 1981
4251589 Production of a substantially inert flexible textile material Feb. 17, 1981
4249353 Fire barrier assembly for electrical cable Feb. 10, 1981
4250220 Composite panel with two outer layers and a central core Feb. 10, 1981
4246304 Internally slotted fire seal Jan. 20, 1981
4246306 Antistatic fire-retardant structures, particularly pipes, of reinforced plastics material Jan. 20, 1981
4244492 Packaging for reclaiming scrap metal Jan. 13, 1981
4244825 Brominated cinnamalacetophenone Jan. 13, 1981
4242393 Carpet tiles Dec. 30, 1980
4242398 Fibrous shaped article having non-level surface Dec. 30, 1980
4241145 Novel intumescent composition Dec. 23, 1980
4237179 Process for fireproofing cellulose-containing fiber material dyed with copper-complex azo dyes Dec. 2, 1980
4237182 Method of sealing interior mine surface with a fire retardant hydrophilic polyurethane foam and resulting product Dec. 2, 1980
4234341 s-Triazine, process for producing it and its use for fireproofing polyester fiber materials Nov. 18, 1980
4234639 Intumescable fire-retardant products Nov. 18, 1980
4230616 Fire-protecting polyester resins Oct. 28, 1980
4228202 Method for making a cellulosic material fire-resistant Oct. 14, 1980
4226907 Flame retardant article Oct. 7, 1980
4225647 Articles having thin, continuous, impervious coatings Sep. 30, 1980
4224169 Flame retardant compositions and method of preparing same Sep. 23, 1980
4224374 Polyether-derived polyurethane foam impregnant and method of application Sep. 23, 1980
4223066 Fire retardant treatment of fire unstable materials and products obtained Sep. 16, 1980
4223068 Rigid polyurethane foam containing polyester residue digestion product and building panel made therefrom Sep. 16, 1980
4223095 Flame-resistant polyurethane foam and a process for its production Sep. 16, 1980
4221835 Composite panels which are not easily combustible Sep. 9, 1980
4221837 Flame retardant article Sep. 9, 1980
4220685 Passive fire protection system Sep. 2, 1980
4219602 Electrically conductive/antistatic sheeting Aug. 26, 1980
4219605 Process for flameproofing synthetic fibre material and product Aug. 26, 1980
4218502 Intumescable fire-retardant products Aug. 19, 1980
4218516 Pigment for blocking tannin migration Aug. 19, 1980

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