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.

Date of Patent:
Jun. 23, 2026

Filed:

Feb. 25, 2021
Applicants:

Dow Global Technologies Llc, Midland, MI (US);

Rohm and Haas Company, Collegeville, PA (US);

Inventors:

Rui Shi, Shanghai, CN;

Weifang Zhang, Shanghai, CN;

Yin Xue, Shanghai, CN;

Assignees:

Dow Global Technologies LLC, Midland, MI (US);

Rohm and Haas Company, Collegeville, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 133/08 (2006.01);
U.S. Cl.
CPC ...
C09J 133/08 (2013.01);
Abstract

An adhesive composition comprising: (A) an acrylic emulsion polymer; and (B) a vinyl aromatic monomer-maleic anhydride copolymer is provided, wherein (B) vinyl aromatic monomer-maleic anhydride copolymer is present at an amount of 0.1% by weight to 6.5% by weight, based on the total solid weight of the adhesive composition. The adhesive composition provides improved performances in terms of bonding strength and/or heat seal performance.


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