Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-08-16
2009-02-17
Szekely, Peter (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S099000, C524S124000, C524S136000, C524S138000
Reexamination Certificate
active
07491760
ABSTRACT:
This invention relates to a polymer composition comprising (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid/or dialkyl ester thereof in the presence of a metallic catalyst; (B) a salt comprising at least one suitable phosphorus-containing acid and at least one suitable basic organic compound, such as a hindered amine light stabilizer; (C) at least one ultraviolet light absorbing compound and optionally at least one phenolic antioxidant. A second embodiment of the present invention pertains to a blend of (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid/or dialkyl ester thereof in the presence of a metallic catalyst; (B) a salt comprising at least one suitable phosphorus-containing acid and at least one suitable basic organic compound; (C) at least one ultraviolet light absorbing compound and, optionally, at least one phenolic antioxidant; and (D) at least one polycarbonate.
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USPTO office acti
Irick, Jr. Gether
McWilliams Douglas Stephens
Pearson Jason Clay
Weaver Max Allen
Boshears B. J.
Eastman Chemical Company
Graves, Jr. Bernard J.
Moreno Louis N.
Szekely Peter
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