The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 1988
Filed:
Jun. 19, 1987
Applicant:
Inventors:
Roger J White, Pittsburgh, PA (US);
Sivaram Krishnan, Pittsburgh, PA (US);
Wolfgang J Siebourg, Pittsburgh, PA (US);
Assignee:
Mobay Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 91 ; 521 79 ; 521 81 ; 521 94 ; 521134 ; 521138 ; 521139 ; 525148 ; 525170 ;
Abstract
Foamable, thermoplastic molding composition exhibiting an improved level of impact resistance is provided. The composition, which is suitable for the preparation of expanded molded parts, comprise a thermoplastic resin, preferably at least one selected from a group consisting of polycarbonate, polyalkylene terephthalate, aromatic polyester and polyester carbonate, a nucleating agent, a chemical blowing agent and an anhydride. It was unexpectedly found that the composition is suitable for the molding of articles having an improved level of impact resistance.