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. 07, 2026
Filed:
Oct. 24, 2019
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Lianzhou Chen, Woodbury, MN (US);
Kristen J. Hansen, Afton, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G 59/24 (2006.01); C08G 59/06 (2006.01); C08G 59/22 (2006.01); C08G 59/26 (2006.01); C08G 59/32 (2006.01); C08G 59/38 (2006.01); C08G 59/40 (2006.01); C08K 3/08 (2006.01); C08L 63/00 (2006.01); C09J 7/38 (2018.01);
U.S. Cl.
CPC ...
C08G 59/245 (2013.01); C08G 59/26 (2013.01); C08G 59/3227 (2013.01); C08G 59/38 (2013.01); C08G 59/4021 (2013.01); C08K 3/08 (2013.01); C08L 63/00 (2013.01); C09J 7/38 (2018.01); C08G 2170/40 (2013.01); C08K 2003/0812 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01); C08L 2207/04 (2013.01); C08L 2207/53 (2013.01); C09J 2301/302 (2020.08);
Abstract
A curable composition comprises: 1 to 65 percent by weight of polyepoxide comprising an addition reaction product of phenolphthalein and bisphenol A diglycidyl ether; 5 to 50 percent by weight of liquid polyepoxide; and an effective amount of curative for curing the curable composition. A curable adhesive film comprising the curable composition, and method of bonding are also disclosed.