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:
Apr. 02, 2013
Filed:
Jul. 23, 2010
Applicant:
Robert Ray Burch, Exton, PA (US);
Inventor:
Robert Ray Burch, Exton, PA (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 15/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein are temperature switchable adhesive assemblies, which maintain tack above and below the switching temperature. The temperature switchable adhesive assemblies comprise a backing, a first adhesive layer comprising a temperature switchable pressure sensitive adhesive disposed on the backing, and a second adhesive layer comprising a non-switchable pressure sensitive adhesive disposed on the first adhesive layer. The temperature switchable adhesive assemblies have use in medical, consumer, and industrial applications.