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:
Dec. 08, 2020
Filed:
Dec. 30, 2016
Applicant:
Invista North America S.a.r.l., Wilmington, DE (US);
Inventor:
Charles Richard Langrick, Middlesbrough, GB;
Assignee:
INVISTA North America S.a.r.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01); C08G 69/28 (2006.01); B01J 19/00 (2006.01); B01J 19/18 (2006.01); C08G 69/40 (2006.01);
U.S. Cl.
CPC ...
C08G 69/40 (2013.01); B01J 19/0013 (2013.01); B01J 19/18 (2013.01); C08G 69/265 (2013.01); C08G 69/28 (2013.01); B01J 2219/0025 (2013.01); B01J 2219/00029 (2013.01); B01J 2219/00051 (2013.01); B01J 2219/00162 (2013.01);
Abstract
Disclosed is a process for making a polyetheramine containing polyamide without excessive foaming in successive batches by providing a controlled heat input rate step for those batch runs that incorporate polyetheramine containing polyamide heel from previous runs.