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:
May. 07, 1985
Filed:
Jul. 21, 1982
Applicant:
Inventor:
Mark W Witman, New Martinsville, WV (US);
Assignee:
Mobay Chemical Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 67 ; 525146 ; 525148 ;
Abstract
The invention relates to thermoplastic aromatic polycarbonates which structural units are characterized by their end groups which are residues of ##STR1## and is predicated on the surprising and unexpected findings that high melt flow polycarbonates of this type are rendered improved impact performance by admixing therewith small amounts of an impact modifier.