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:
Feb. 08, 2000
Filed:
Aug. 11, 1997
Applicant:
Inventors:
Ananda Mohan Chatterjee, Katy, TX (US);
Randolph Neil Campbell, Katy, TX (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428523 ; 428461 ; 526128 ; 5261249 ; 5261252 ; 5261253 ; 5263481 ; 5263486 ; 524128 ; 524241 ; 524287 ; 524436 ;
Abstract
A polymer composition having improved balanced mechanical and optical properties comprising (i) a random copolymer comprising from about 0.8% to about 20% by weight of butene-1 and from about 80% to about 99.2% by weight of propylene, and (2) from about 0%-0.35% by weight of polymer composition of a synthetic amorphous silica antiblock agent.