Thermoplastic molding compositions based on polycarbonates, polyesters and polyamides
Patent 4879324 Issued on November 7, 1989. Estimated Expiration Date: February 16, 2009. 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.
523/400, Process of forming a composition containing a nonreactive material (NRM) and a polymer containing more than one 1,2-epoxy group, or a preformed polymer derived from or admixed with a reactant containing more than one 1,2-epoxy group, or with a polymer derived from an epihalohydrin and a polyhydric phenol or polyol; or composition or product thereof523/436, Polymer is graft, graft-type, block, or block-type523/466, Inorganic SI-O bond DNRM525/66, With solid polymer derived from at least one nitrogen-containing reactant wherein at least one of the reactants forming the solid polymer is saturated; or with SPFI wherein at least one of the necessary ingredients contains a nitrogen atom or with a reaction product thereof; or with nitrogen-containing SICP525/67, With solid polymer derived from at least one hal-C(=O)-hal, O-C(=O)-O or hal-C(=O)-O- reactant wherein at least one of the reactants forming the solid polymer is saturated; or with SPFI wherein at least one of the necessary ingredients is a hal-C(=O)-hal, O-C(=O)-O, or hal-C(=O)-O containing reactant or reaction product thereof; or with a SICP containing a hal-C(=O)- or O-C(=O)-O- group525/109, With phenolic reactant or polymer thereof and is free of 1,2-epoxy groups525/133, Contacting two or more solid polymers with a phenolic reactant; or contacting a solid polymer with a phenolic reactant and subsequently contacting the treated polymer with an additional solid polymer525/166, Two or more solid polymers present other than derived from a polycarboxylic acid or derivative and a polyol525/423, Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom525/425Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer therefrom
Thermoplastic molding compositions contain as essential components(A) from 1 to 90% by weight of a polycarbonate,(B) from 1 to 90% by weight of a polyester,(C) from 1 to 90% by weight of a polyamide,(D) from 0.5 to 30% by weight of a polymeric component having hydroxyl groups and in addition(E) from 0 to 30% by weight of an impact-modifying rubber and(F) from 0 to 60% by weight of a fibrous or particulate filler.
February 16, 2009. 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.
