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. 14, 2015
Filed:
Feb. 28, 2013
Applicant:
Air Products and Chemicals, Inc., Allentown, PA (US);
Inventors:
Gauri Sankar Lal, Whitehall, PA (US);
Gamini Ananda Vedage, Bethlehem, PA (US);
Stephen Michael Boyce, Bath, PA (US);
Pritesh G. Patel, Breinigsville, PA (US);
Dilipkumar Nandlal Shah, Wescosville, PA (US);
Atteye Houssein Abdourazak, Allentown, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 59/02 (2006.01); C08G 59/42 (2006.01); C08G 59/68 (2006.01);
U.S. Cl.
CPC ...
C08G 59/02 (2013.01); C08G 59/42 (2013.01); C08G 59/686 (2013.01);
Abstract
Carboxylic acid salts of tertiary amines for use as an accelerator for an anhydride based epoxy curing agents are disclosed. The disclosed carboxylic acid salts of certain tertiary amines are latent anhydride accelerators and enable epoxy resin curing when heated to an elevated temperature (e.g., an onset temperature of greater than about 50° C.).