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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 12590234 B1

PDFFull Text
Date of Patent:
Mar. 31, 2026

Filed:

Sep. 19, 2022

Adhesive compositions, layered articles and photovoltaic sheets

Applicant:

Bostik SA, Colombes, FR;

Inventor:

Hengshi Zhou, Shanghai, CN;

Assignee:

BOSTIK SA, Colombes, FR;

Attorneys:

Rimon P.C.

Allyn B. Elliott

Primary Examiner:

Tae-Sik Kang

Int. Cl.
CPC ...
C09J 175/06 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); C08G 18/42 (2006.01); C08G 18/73 (2006.01); H10F 19/80 (2025.01);
U.S. Cl.
CPC ...
C09J 175/06 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/322 (2013.01); C08G 18/423 (2013.01); C08G 18/73 (2013.01); H10F 19/804 (2025.01); B32B 2307/412 (2013.01); B32B 2307/748 (2013.01); B32B 2457/12 (2013.01);
Abstract

An adhesive composition which comprises a resin component (A) comprising a polyester polyol, a hydrogenated epoxy, a silane, and an optional organic solvent; and a hardener component (B) comprising an aliphatic polyisocyanate and/or an alicyclic polyisocyanate; the adhesive composition being substantially free of aromatic rings. The polyester polyol is prepared by reacting a poly basic acid and a polyalcohol, and the polybasic acid comprises an aliphatic polybasic acid and/or an alicyclic polybasic acid. The polyester polyol has a glass transition temperature (Tg) in a range of from 0° C. to 10° C. The adhesive composition of the present invention has strong adhesion, excellent weather-resistance and yellowing-resistance.

Find Patent Forward Citations

Zhou, Hengshi. (2026). Adhesive compositions, layered articles and photovoltaic sheets (U.S. Patent No. 12590234). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12590234

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

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