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:
Sep. 29, 2026

Filed:

Apr. 03, 2023
Applicant:

Illinois Tool Works Inc., Glenview, IL (US);

Inventors:

Gregory Schulz, Glenview, IL (US);

Maxwell Vanraaphorst, Glenview, IL (US);

Assignee:

Illinois Tool Works Inc., Glenview, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 133/06 (2006.01); B32B 7/12 (2006.01); B32B 15/01 (2006.01); B32B 37/12 (2006.01); C09J 5/00 (2006.01); C09J 11/08 (2006.01);
U.S. Cl.
CPC ...
C09J 133/064 (2013.01); B32B 7/12 (2013.01); B32B 15/01 (2013.01); B32B 37/1284 (2013.01); C09J 5/00 (2013.01); C09J 11/08 (2013.01); B32B 2037/1253 (2013.01); B32B 2255/06 (2013.01); B32B 2255/26 (2013.01); B32B 2307/7376 (2023.05); B32B 2311/24 (2013.01); C09J 2411/00 (2013.01); C09J 2431/00 (2013.01); C09J 2433/00 (2013.01); C09J 2453/00 (2013.01); C09J 2463/00 (2013.01);
Abstract

A two-part formulation of a high strength acrylic adhesive that includes a Part A and Part B. The Part A includes at least one curable monomer of: Part A acrylate monomer, methacrylate monomer, acrylic acid monomer, methacrylic acid monomer, or a combination thereof; a Part A impact modifier; and a Part A adhesion promoter. A Part B includes impact modifier, a Part B adhesion promoter, and an induction agent. A polyvinyl acetal resin is present in at least one of Part A or Part B, and present from 1 to 30 total weight percent. A process of applying the resulting adhesive to bond substrates and a resulting structure are also provided.


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