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:
Jul. 22, 2003
Filed:
Nov. 28, 2001
Applicant:
Inventors:
Sehyun Kim, Murrysville, PA (US);
Masaki Fujii, Glendale, CA (US);
Assignee:
Sunoco Inc. (R&M), Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/00 ; C08L 2/300 ; C08L 2/304 ;
U.S. Cl.
CPC ...
C08F 8/00 ; C08L 2/300 ; C08L 2/304 ;
Abstract
The present invention provides polypropylene films and methods of making these films using high melt strength &bgr;-crystalline polypropylene. The films of the present invention are opaque, porous and have good physical properties, such as being capable of cold drawing to a thin gauge without breaking.