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:
Mar. 02, 2010
Filed:
Feb. 08, 2002
Mervyn Frank Daniel, Katy, TX (US);
Gilbert Robert Bernard Germaine, Petit Couronne, FR;
David John Wedlock, Chester, GB;
Mervyn Frank Daniel, Katy, TX (US);
Gilbert Robert Bernard Germaine, Petit Couronne, FR;
David John Wedlock, Chester, GB;
Shell Oil Company, Houston, TX (US);
Abstract
A lubricant composition having a base oil and one or more additives wherein the lubricant composition has a kinematic viscosity at 100° C. of more than 5.6 cSt; a cold cranking simulated dynamic viscosity at −35° C. according to ASTM D 5293 of less than 6200 centiPoise (cP); and, a mini rotary viscosity test value of less than 60000 cP according to ASTM D 4684, wherein the base oil has been obtained from a waxy paraffinic Fischer-Tropsch synthesized hydrocarbon.