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. 15, 2010
Filed:
Aug. 04, 2008
Applicants:
Shigenobu Ikenaga, Sodegaura, JP;
Ryoji Mori, Sodegaura, JP;
Inventors:
Shigenobu Ikenaga, Sodegaura, JP;
Ryoji Mori, Sodegaura, JP;
Assignee:
Mitsui Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/06 (2006.01); C08F 210/08 (2006.01); C08F 4/6592 (2006.01);
U.S. Cl.
CPC ...
Abstract
A propylene elastomer (PBER) comprising (a) 50 to 85 mol % of units derived from propylene, (b) 5 to 25 mol % of units derived from 1-butene and (c) 10 to 25 mol % of units derived from ethylene, and having a molar ratio of propylene content to ethylene content of from 89/11 to 70/30, and a modulus in tension (YM), as measured in accordance with JIS 6301, of not more than 40 Mpa.