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. 23, 2001
Filed:
Feb. 19, 1999
Richard Henry Schlosberg, Bridgewater, NJ (US);
Carolyn Boggus Duncan, Baton Rouge, LA (US);
David Wayne Turner, Baton Rouge, LA (US);
Thomas Lee Ashcraft, Jr., Leander, TX (US);
William Joseph Munley, Jr., Houston, TX (US);
Exxon Chemical Patents Inc, Houston, TX (US);
Abstract
A synthetic ester composition exhibiting low odor, and high thermal and oxidative stability which comprises the reaction product of: (a) a polyol which comprises at least dipentaerythritol, e.g., technical grade pentaerythritol and mixtures of technical grade pentaerythritol or dipentaerythritol and monopentaerythritol; and (b) a mixture of monocarboxylic acids comprising at least one linear acid selected from the group consisting of between C,-C,acids and at least one branched acid selected from the group consisting of C,-C,acids, wherein the amount of C,and C,acids is between about 20 to 45 weight %, based upon the total amount of said mixture of monocarboxylic acids, and wherein said synthetic ester composition has a viscosity of at least 4 cSt at 99° C., a viscosity of less than about 8,000 cSt at 40° C., and a pour point of at least as low as −54° C.