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. 02, 2018
Filed:
Aug. 26, 2014
Applicant:
Huntsman Petrochemical Llc, The Woodlands, TX (US);
Inventors:
Frank Rodriguez, Conroe, TX (US);
Robert A Grigsby, Jr., Spring, TX (US);
Eugene P Wiltz, Jr., The Woodlands, TX (US);
Ernest L Rister, Jr., Round Rock, TX (US);
Bhajendra N Barman, Katy, TX (US);
Assignee:
HUNTSMAN PETROCHEMICAL LLC, The Woodlands, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/18 (2006.01); C07B 63/04 (2006.01); C08L 75/04 (2006.01); B01J 19/24 (2006.01); B01J 31/02 (2006.01); B01J 31/04 (2006.01); B01J 31/06 (2006.01); B01J 31/08 (2006.01);
U.S. Cl.
CPC ...
C08G 18/18 (2013.01); B01J 19/24 (2013.01); B01J 31/0237 (2013.01); B01J 31/04 (2013.01); B01J 31/06 (2013.01); B01J 31/08 (2013.01); C08G 18/1833 (2013.01); C08G 18/1875 (2013.01); C08L 75/04 (2013.01); B01J 2219/1923 (2013.01); B01J 2219/1943 (2013.01); B01J 2219/1947 (2013.01); B01J 2219/24 (2013.01);
Abstract
The present disclosure provides a method for reducing the aldehyde content in an amine catalyst by treating the amine catalyst with an organic acid. The organic acid-treated amine catalyst may then be used in the production of polyurethane materials which exhibit reduced aldehyde emissions.