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:
Mar. 21, 2017
Filed:
Feb. 03, 2014
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Hiroki Fujinami, Narashino, JP;
Kazuhiro Hashima, Chiba, JP;
Yutaka Minami, Chiba, JP;
Tomoaki Takebe, Chiba, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09J 191/06 (2006.01); C09J 123/08 (2006.01); C09J 11/08 (2006.01); C08L 23/08 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C09J 123/0815 (2013.01); C08F 110/06 (2013.01); C08L 23/0815 (2013.01); C09J 11/08 (2013.01); C09J 191/06 (2013.01);
Abstract
Provided are a propylene-based polymer which enhances heat creep resistance and a hot-melt adhesive having excellent heat creep resistance. A propylene-based polymer which satisfies the following (1) and (2): (1) 125≦a modulus of elasticity in tension (MPa) at 23° C.≦400; and (2) 100≦an elongation at break (%) at 23° C.≦1,000, and a hot-melt adhesive containing the propylene-based polymer in an amount of 1 to 50% by mass.