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:
Dec. 12, 2017
Filed:
Oct. 21, 2015
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Gary L. Jialanella, Oxford, MI (US);
Glenn G. Eagle, Bloomfield Hills, MI (US);
Daniel Schneider, Waedenswil, CH;
Andreas Lutz, Galganen, CH;
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/02 (2006.01); B29C 65/48 (2006.01); B32B 37/12 (2006.01); C09J 163/00 (2006.01); C08G 59/40 (2006.01); C08G 18/48 (2006.01); C08G 18/66 (2006.01); C08G 18/72 (2006.01); C08G 18/32 (2006.01); C09J 11/08 (2006.01);
U.S. Cl.
CPC ...
C09J 163/00 (2013.01); B29C 65/485 (2013.01); B32B 37/1284 (2013.01); C08G 18/3206 (2013.01); C08G 18/3215 (2013.01); C08G 18/4854 (2013.01); C08G 18/6674 (2013.01); C08G 18/722 (2013.01); C08G 59/4021 (2013.01); C09J 11/08 (2013.01); B32B 2037/1253 (2013.01);
Abstract
The present invention provides low polyphenols (such as bisphenol A) tougheners for epoxy adhesives. The tougheners, and adhesives comprising the tougheners exhibit enhanced viscosity stability, e.g., compared to tougheners prepared from higher amounts of bisphenol A (and epoxy adhesives comprising them).