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:
Jan. 13, 2026
Filed:
Aug. 17, 2020
Applicant:
Sika Technology Ag, Baar, CH;
Inventors:
Assignee:
SIKA TECHNOLOGY AG, Baar, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/00 (2006.01); C08J 9/08 (2006.01); C08L 23/0869 (2025.01);
U.S. Cl.
CPC ...
C08J 9/0061 (2013.01); C08J 9/0066 (2013.01); C08J 9/08 (2013.01); C08L 23/0869 (2013.01); C08J 2201/03 (2013.01); C08J 2203/02 (2013.01); C08J 2323/08 (2013.01); C08J 2363/00 (2013.01); C08J 2423/08 (2013.01); C08L 2203/14 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01);
Abstract
A thermally expandable composition includes at least one epoxy-functional polymer, at least one endothermic chemical blowing agent, and at least one curative selected from the group made of a urea, urea derivatives, guanidine derivatives, amidine derivatives, and imidazoles. Further, a baffle and/or a reinforcement element for hollow structures includes the thermally expandable composition, a process manufactures the baffle and/or the reinforcement element, the baffle and/or the reinforcement element is used for sealing, baffling, or reinforcing of a cavity or a hollow structure, and a method seals, baffles and/or reinforces a cavity or hollow structure.