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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.:

US 12378454 B1

PDFFull Text
Date of Patent:
Aug. 05, 2025

Filed:

Jun. 03, 2021

Adhesive, laminate, and packaging material

Applicant:

Dic Corporation, Tokyo, JP;

Inventors:

Hiroshi Ebato, Tokyo, JP;

Yutaka Hamasuna, Tokyo, JP;

Takashi Mihara, Chiba, JP;

Assignee:

DIC Corporation, Tokyo, JP;

Attorney:

JCIPRNET

Primary Examiner:

John D Freeman

Int. Cl.
CPC ...
C09J 175/06 (2006.01); B32B 7/12 (2006.01); B32B 15/088 (2006.01); B32B 15/20 (2006.01); B32B 27/34 (2006.01); C08G 18/10 (2006.01); C08G 18/42 (2006.01); C08G 18/75 (2006.01);
U.S. Cl.
CPC ...
C09J 175/06 (2013.01); B32B 7/12 (2013.01); B32B 15/088 (2013.01); B32B 15/20 (2013.01); B32B 27/34 (2013.01); C08G 18/10 (2013.01); C08G 18/4219 (2013.01); C08G 18/755 (2013.01); B32B 2250/03 (2013.01); B32B 2255/26 (2013.01); B32B 2439/46 (2013.01); B32B 2439/70 (2013.01); C08G 2170/00 (2013.01);
Abstract

Provided are a laminating adhesive, a laminate, and a packaging material which are excellent in retorting resistance and content resistance. The adhesive includes a polyol composition (A) including a polyester polyol (A1), and a polyisocyanate composition (B) including a polyisocyanate compound (B1), in which the polyester polyol (A1) is a reaction product of a composition including a polycarboxylic acid and a polyhydric alcohol, the polycarboxylic acid including a tetramer acid. The laminate and the packaging material are produced using the adhesive.

Find Patent Forward Citations

Ebato, Hiroshi. (2025). Adhesive, laminate, and packaging material (U.S. Patent No. 12378454). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12378454

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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