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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.:

US 7037974 B1

PDFFull Text
Date of Patent:
May. 02, 2006

Filed:

Feb. 04, 2004

Process for the oligomerization of α-olefins having low unsaturation, the resulting polymers, and lubricants containing same

Applicants:

Anthony Dimaio, Woodbury, CT (US);

Thomas P. Matan, Naugatuck, CT (US);

Inventors:

Anthony DiMaio, Woodbury, CT (US);

Thomas P. Matan, Naugatuck, CT (US);

Assignee:

Uniroyal Chemical Company, Inc., Middlebury, CT (US);

Attorney:

Michael P. Dilworth

Primary Examiner:

David W Wu

Assistant Examiner:

Rip A Lee

Int. Cl.
CPC ...
C08L 23/18 (2006.01); C08L 5/01 (2006.01); C08F 232/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A poly(α-olefin) copolymer obtained from the polymerization of at least one α-olefin having from 2 to about 20 carbon atoms and at least one bulky olefin, the process comprising polymerizing the monomers in the presence of hydrogen and a catalytically effective amount of a catalyst comprising the product obtained by combining a metallocene procatalyst with a cocatalyst; lubricant compositions comprising such poly(α-olefin) copolymer; and a method for improving the viscosity index of a lubricant composition using such poly(α-olefin) copolymer.

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