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. 09, 2018
Filed:
Jan. 16, 2013
Applicant:
Croda, Inc., Edison, NJ (US);
Inventors:
Xin Chen, Hockessin, DE (US);
Christopher Donaghy, Garnet Valley, PA (US);
Alexei Nikolaevich Kurchan, Wallingford, PA (US);
Assignee:
CRODA, INC., Edison, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 129/74 (2006.01); C10M 129/76 (2006.01);
U.S. Cl.
CPC ...
C10M 129/74 (2013.01); C10M 129/76 (2013.01); C10M 2207/283 (2013.01); C10M 2207/289 (2013.01); C10N 2230/02 (2013.01); C10N 2230/36 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/044 (2013.01); C10N 2240/08 (2013.01); C10N 2240/10 (2013.01);
Abstract
A seal swell agent for a lubricating fluid is described. The invention relates to a seal swell agent for use in lubricating oils, such as engine oils, turbine oils, automatic and manual transmission, or gear, fluids, drivetrain and gear oils and hydraulic fluids. The seal swell agent comprises a diester of sorbitol or a derivative thereof and at least one carboxylic acid. The invention extends to the use of a diester of sorbitol or a derivative thereof and at least one carboxylic acid as a seal swell agent, and a method of maintaining seal integrity.