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:
Aug. 16, 2022
Filed:
Sep. 17, 2015
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Neil Warren Boaz, Kingsport, TN (US);
Stephanie Kay Clendennen, Kingsport, TN (US);
Yuan Zhang, Gray, TN (US);
Michael James Fevola, Belle Mead, NJ (US);
Tobias Johannes Fütterer, Princeton, NJ (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 309/18 (2006.01); C07C 303/22 (2006.01); C11D 1/62 (2006.01); C07C 309/14 (2006.01); C07C 231/12 (2006.01); C07C 227/18 (2006.01); C07C 229/12 (2006.01); C07C 237/06 (2006.01); C09K 23/00 (2022.01); C07C 303/08 (2006.01); C09K 15/20 (2006.01); C09K 15/28 (2006.01); C12P 13/00 (2006.01); C12P 13/02 (2006.01);
U.S. Cl.
CPC ...
C07C 309/18 (2013.01); C07C 227/18 (2013.01); C07C 229/12 (2013.01); C07C 231/12 (2013.01); C07C 237/06 (2013.01); C07C 303/08 (2013.01); C07C 303/22 (2013.01); C07C 309/14 (2013.01); C09K 15/20 (2013.01); C09K 15/28 (2013.01); C09K 23/00 (2022.01); C09K 23/018 (2022.01); C11D 1/62 (2013.01); C12P 13/001 (2013.01); C12P 13/02 (2013.01);
Abstract
Disclosed are a variety of amphoteric compounds containing a quaternary nitrogen group, a covalently bound counterion, and an ester or amide group. These amphoteric compounds can be advantageously prepared via a chemoenzymatic green process, and exhibit good surfactant properties.