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:
Oct. 01, 2019
Filed:
Jun. 09, 2017
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Matthew Allen Boone, Gray, TN (US);
Donald L. Fields, Jr., Copley, OH (US);
Frederick Ignatz-Hoover, Elyria, OH (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/52 (2006.01); C07C 249/02 (2006.01); B60C 1/00 (2006.01); C08K 5/18 (2006.01); C10L 1/222 (2006.01); C10L 1/223 (2006.01); C10M 133/12 (2006.01);
U.S. Cl.
CPC ...
C07C 209/52 (2013.01); B60C 1/00 (2013.01); C07C 249/02 (2013.01); C08K 5/18 (2013.01); C10L 1/223 (2013.01); C10L 1/2222 (2013.01); C10M 133/12 (2013.01); C10L 2230/08 (2013.01); C10M 2215/067 (2013.01); C10N 2230/00 (2013.01);
Abstract
Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a dicarbonyl to thereby obtain a diimine, which is reduced to obtain mixtures comprising the antidegradant compound.