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:
Jul. 18, 2023
Filed:
Dec. 20, 2018
Applicant:
Hexcel Composites Limited, Duxford, GB;
Inventors:
David Allan Tilbrook, Saffron Walden, GB;
Christopher Robert Mason, Newmarket, GB;
Martin Richard Simmons, Baldock, GB;
Assignee:
HEXCEL COMPOSITES LIMITED, Duxford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/24 (2006.01); C08G 59/50 (2006.01); C08K 9/10 (2006.01); C08L 63/00 (2006.01); C08J 5/24 (2006.01); C08K 5/3445 (2006.01); C08K 5/13 (2006.01); C08K 5/09 (2006.01);
U.S. Cl.
CPC ...
C08J 3/241 (2013.01); C08G 59/50 (2013.01); C08J 5/243 (2021.05); C08K 5/09 (2013.01); C08K 5/13 (2013.01); C08K 5/3445 (2013.01); C08K 9/10 (2013.01); C08L 63/00 (2013.01); C08J 2363/00 (2013.01);
Abstract
This invention relates to a curative composition and its use in curing epoxy resins and prepregs, adhesives and moulded materials derived therefrom. The curative composition comprises a clathrate comprising a host component and a guest component, the host comprising a carboxylic acid or ester compounds as defined or phenolphthalin and the guest comprising an imidazole or imidazoline component.