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:
Oct. 18, 2016
Filed:
Dec. 22, 2008
Applicants:
Mark Hagemeister, Houston, TX (US);
Anatoly Ilich Kramer, Edison, NJ (US);
Pramod Jayant Nandapurkar, Plainsboro, NJ (US);
Margaret May-som Wu, Skillman, NJ (US);
Inventors:
Mark Hagemeister, Houston, TX (US);
Anatoly Ilich Kramer, Edison, NJ (US);
Pramod Jayant Nandapurkar, Plainsboro, NJ (US);
Shakeel Tirmizi, Matawan, NJ (US);
Margaret May-Som Wu, Skillman, NJ (US);
Assignee:
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 2/02 (2006.01); C07C 2/04 (2006.01); C07C 2/26 (2006.01); C07C 2/34 (2006.01); C08F 10/14 (2006.01); C08F 10/00 (2006.01); C08F 4/659 (2006.01); C08F 110/14 (2006.01); C08F 210/14 (2006.01);
U.S. Cl.
CPC ...
C08F 10/14 (2013.01); C08F 10/00 (2013.01); C08F 4/65908 (2013.01); C08F 110/14 (2013.01); C08F 210/14 (2013.01);
Abstract
The invention is directed to a process for the preparation of lubricant base stocks by contacting alphaolefin feedstocks with single-site metallocene catalysts and recycling unconverted monomers, characterized by a purge step in the recycle.