Polymer mixture having aromatic polycarbonate, polyester and thermoplastic elastomer, article formed therefrom
April 13, 2010. 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 3169121 3864428 3907926 Process for preparing a branched polycarbonate Ternary polyblends prepared from polybutylene terephthalates, polyurethanes and aromatic polycarbonates High impact strength blends of polybutylene terephthalate Thermoplastic molding composition Thermoplastic polycarbonate molding materials with improved mold release Novel polyetherimide-polyester blends Thermoplastic polyesters InventorsApplicationNo. 492522 filed on 03/06/1990US Classes:525/425, Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer therefrom525/64, Solid graft or graft-type copolymer derived from ethylenic reactants only525/66, 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- group525/411, Mixed with carboxylic acid or derivative reactant or polymer therefrom525/433, Mixed with O-C(=O)-O-, hal-C(=O)-, or hal-C(=O)-hal reactant or polymer derived therefrom525/434, Solid polymer derived from hydroxyl group-containing reactant525/439, Mixed with O-C(=O)-O-, hal-C(=O)-O-, or hal-C(=O)-hal containing reactant or polymer derived therefrom; or wherein solid polymer is derived from a hal-C(=O)-hal, O-C(=O)-O-, or hal-C(=O)-O-, a polycarboxylic acid or derivative and a polyhydroxy reactant525/440Mixed with -N=C=X reactant or polymer derived therefrom (X is chalcogen); or wherein solid polymer is derived from a -N=C=X reactant and also a polycarboxylic acid or derivative and a polyhydroxy reactantExaminersPrimary: Short, Patricia A.Attorney, Agent or FirmForeign Patent References
International ClassesC08L 067/02C08L 069/00 Foreign Application Priority Data1989-03-07 NLAbstractThe invention relates to polymer mixtures which comprise an aromatic polycarbonate, a polyester, and a thermoplastic elastomer. The polymer mixture comprises a polyester-ester urethane or a polyether imide ester as a thermoplastic elastomer. The polymer mixtures according to the invention have good flow properties.Field of SearchMixed with carboxylic acid or derivative reactant or polymer therefromMixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer therefrom Mixed with O-C(=O)-O-, hal-C(=O)-O-, or hal-C(=O)-hal containing reactant or polymer derived therefrom; or wherein solid polymer is derived from a hal-C(=O)-hal, O-C(=O)-O-, or hal-C(=O)-O-, a polycarboxylic acid or derivative and a polyhydroxy reactant | |
