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:
Oct. 21, 2014
Filed:
Jul. 29, 2008
Applicants:
Tao Xie, Troy, MI (US);
Xingcheng Xiao, Troy, MI (US);
Yang T. Cheng, Troy, MI (US);
Inventors:
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/38 (2006.01); B32B 37/00 (2006.01); B32B 7/02 (2006.01); B32B 27/08 (2006.01); B29C 61/06 (2006.01);
U.S. Cl.
CPC ...
B32B 7/02 (2013.01); B32B 2307/736 (2013.01); B32B 27/08 (2013.01); B32B 27/38 (2013.01); B29C 61/0616 (2013.01);
Abstract
A polymer material system that consists of multiple SMP layers of different shape memory transition temperatures in a multilayer construction to achieve and tailor a multiple shape memory effect. Wherein two SMP layers of different shape memory transition temperatures are utilized, a triple shape memory effect is achieved.