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. 21, 2025
Filed:
Apr. 07, 2022
Applicants:
Cnpc Usa Corp., Houston, TX (US);
Beijing Huamei, Inc., Beijing, CN;
China National Petroleum Corporation, Beijing, CN;
Inventors:
Lei Zhao, Houston, TX (US);
Jiaxiang Ren, Houston, TX (US);
Cheng Peng, Houston, TX (US);
Yu Liu, Beijing, CN;
Assignees:
CNPC USA CORPORATION, Houston, TX (US);
BEIJING HUAMEI, INC., Beijing, CN;
CHINA NATIONAL PETROLEUM CORPORATION, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 59/24 (2006.01); C08G 59/68 (2006.01); C08J 3/24 (2006.01); C08K 5/07 (2006.01);
U.S. Cl.
CPC ...
C08G 59/24 (2013.01); C08G 59/682 (2013.01); C08J 3/24 (2013.01); C08K 5/07 (2013.01); C08J 2363/00 (2013.01);
Abstract
The patent application discloses a degradable thermoset composite. The composite comprises a reaction product of an epoxy resin, a cross-linker, a catalyst. The epoxy resin mixture may comprise at least one cycloaliphatic epoxide. The reaction product may have a glass transition temperature greater than or equal to 140° C. as measured by DMA.