Fire retardant additives and their uses
Patent 4879066 Issued on November 7, 1989. Estimated Expiration Date: 
April 11, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 11, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References Re31428 Re32131 Volatilizable frit composition forming oxidation-inhibiting vapors Fire protective mastic and fire stop Light-transmitting fire screening panel Flame retardant plywood panel Fire protective tape Patent #: 4273821 InventorApplicationNo. 179702 filed on 04/11/1988US Classes:252/606, Intumescent106/18.12, Silicon containing106/18.15, Nitrogen-containing phosphorus compound106/18.16, Inorganic compound contains a phosphorus and a nitrogen atom106/18.18, Phosphorus compound is organic106/18.21, Nitrogen-containing organic compound106/18.31, Phosphorus containing252/601, FIRE RETARDING252/609, For solid synthetic polymer and reactants thereof427/419.4, Vitreous coating427/419.6, Vitreous coating501/16, Plural diverse frits501/17, Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.)501/21Chemically specified frit compositionsExaminersPrimary: Locker, Howard J.Attorney, Agent or FirmForeign Patent References
International ClassesC09K 021/00C09D 005/16 C09D 005/18 C03C 008/14 Foreign Application Priority Data1987-04-11 GBAbstractA composition comprising two or more frits of different melting temperatures and optionally one or more ceramic material or basalt or intumescent substance is provided that may be added to a variety of materials to provides or enhance fire resistance. Such materials include phenolic and polyester resins and sodium silicate.Field of SearchFIRE RETARDINGIntumescent For solid synthetic polymer and reactants thereof Having disparate function FIRE-EXTINGUISHING Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients) Fusion seals (frit plus material other than glass) Plural diverse frits Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.) Chemically specified frit compositions Silicon containing Nitrogen-containing phosphorus compound Inorganic compound contains a phosphorus and a nitrogen atom Phosphorus compound is organic Nitrogen-containing organic compound Phosphorus containing | |
