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. 05, 2013
Filed:
Apr. 16, 2010
Sudhin Datta, Houston, TX (US);
JO Ann Marie Canich, Houston, TX (US);
Liehpao Oscar Farng, Lawrenceville, NJ (US);
Rainer Kolb, Kingwood, TX (US);
Vera Minak-bernero, Bridgewater, NJ (US);
Eric B. Sirota, Flemington, NJ (US);
Thomas Tungshi Sun, Clinton, NJ (US);
Mun Fu Tse, Seabrook, TX (US);
Manika Varma-nair, Warren, NJ (US);
Sudhin Datta, Houston, TX (US);
Jo Ann Marie Canich, Houston, TX (US);
Liehpao Oscar Farng, Lawrenceville, NJ (US);
Rainer Kolb, Kingwood, TX (US);
Vera Minak-Bernero, Bridgewater, NJ (US);
Eric B. Sirota, Flemington, NJ (US);
Thomas Tungshi Sun, Clinton, NJ (US);
Mun Fu Tse, Seabrook, TX (US);
Manika Varma-Nair, Warren, NJ (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
Disclosed are rheology modifiers comprising compositionally disperse polymeric compositions and/or crystallinity disperse polymeric compositions that may be useful in modifying the rheological properties of lubrication fluids, and methods for making such compositions. The compositionally disperse polymeric composition are formed from at least two discrete compositions of ethylene copolymers. The crystallinity disperse polymeric composition are formed from ethylene copolymers having at least two discrete values of residual crystallinity.