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:
Jul. 24, 2012
Filed:
May. 13, 2008
Margaret M. Wu, Skillman, NJ (US);
Ernestine W. Hill, Piscataway, NJ (US);
Liehpao Oscar Farng, Lawrenceville, NJ (US);
Andrew Jackson, Pennington, NJ (US);
Margaret M. Wu, Skillman, NJ (US);
Ernestine W. Hill, Piscataway, NJ (US);
Liehpao Oscar Farng, Lawrenceville, NJ (US);
Andrew Jackson, Pennington, NJ (US);
Exxonmobil Research and Engineering Company, Annandale, NJ (US);
Abstract
This disclosure relates to substantially atactic polymers of at least one of propylene, 1-butene or 1-pentene, processes for making such polymers and compositions including the polymers. The polymers may be used as lubricants or may be combined with low viscosity base stocks to form lubricants. The polymers may be made in the presence of a metallocene catalyst with a non-coordinating anion activator and optionally with hydrogen.