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:
Jun. 17, 2025
Filed:
Mar. 06, 2019
Applicant:
Bakelite Uk Holding Ltd., Penarth, GB;
Inventors:
Krishnama Naidu Sompalli, Gajuwaka, IN;
Srinivasan Narashimhan, Chennai, IN;
Assignee:
BAKELITE UK HOLDING LTD., , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 8/10 (2006.01); C08G 8/36 (2006.01); C08G 14/06 (2006.01); C08K 3/32 (2006.01); C08K 5/053 (2006.01); C08L 61/06 (2006.01);
U.S. Cl.
CPC ...
C08G 8/10 (2013.01); C08G 14/06 (2013.01);
Abstract
The present invention relates to a catalyst system which improves the work life of acid-catalyzed resole resins at higher ambient temperatures and provides extended shelf life. The catalyst system comprises an inorganic acid catalyst and one or more polyhydric alcohols. In particular, the present invention relates to a catalyst system wherein the inorganic acid and the alcohol do not convert to an ester when added to the resole resin.