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:
Jun. 23, 2009
Filed:
Mar. 12, 2008
Applicant:
Avinash C. Gadkari, Pearland, TX (US);
Inventor:
Avinash C. Gadkari, Pearland, TX (US);
Assignee:
DuPont Performance Elastomers LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/12 (2006.01); C08C 19/20 (2006.01); C08L 23/34 (2006.01); C08F 8/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
Chlorosulfonated propylene/olefin elastomers containing 0.5-55 weight percent chlorine and 0.15 to 5 weight percent sulfur are prepared from metallocene catalyzed propylene/olefin copolymer base resins having a ratio of Mw/Mn less than 3.5 and a copolymerized propylene content of 70-98 weight percent.