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. 31, 2023
Filed:
Mar. 18, 2019
Applicant:
Huntsman Petrochemical Llc, The Woodlands, TX (US);
Inventors:
Howard P. Klein, The Woodlands, TX (US);
Terry L. Renken, The Woodlands, TX (US);
Cheng-Kuang Li, The Woodlands, TX (US);
Assignee:
HUNTSMAN Petrochemical LLC, The Woodlands, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 73/02 (2006.01); C08G 18/50 (2006.01); C08G 18/76 (2006.01); C08G 59/50 (2006.01); C08L 79/02 (2006.01); B01J 23/755 (2006.01); C08G 18/72 (2006.01); C08G 65/26 (2006.01); C08G 65/322 (2006.01); C08G 65/325 (2006.01); C08L 63/00 (2006.01); C09D 163/00 (2006.01); C09D 175/02 (2006.01);
U.S. Cl.
CPC ...
C08G 73/024 (2013.01); C08G 18/5024 (2013.01); C08G 18/7671 (2013.01); C08G 59/504 (2013.01); C08L 79/02 (2013.01);
Abstract
An etheramine mixture comprising one or more polyether diamines, methods for its production, and its use as a curing agent for epoxy resins. The etheramine mixture may also be used in the preparation of polyamides and polyurea compounds.