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:
Feb. 22, 2005
Filed:
Aug. 11, 2000
Anthony J. Dimaio, Woodbury, CT (US);
John R. Baranski, Southington, CT (US);
John G. Bludworth, Wolcott, CT (US);
Daniel J. Gillis, Victoria, TX (US);
Anthony J. DiMaio, Woodbury, CT (US);
John R. Baranski, Southington, CT (US);
John G. Bludworth, Wolcott, CT (US);
Daniel J. Gillis, Victoria, TX (US);
Uniroyal Chemical Company, Inc., Middlebury, CT (US);
Abstract
A liquid polyalphaolefin homo- or copolymer, preferably 1-decene, which is substantially amorphous is obtained by a polymerization process employing hydrogen and a particular type of metallocene catalyst. Additionally, liquid polyalphaolefin homo- or copolymer containing from 2 to about 12 carbon atoms possess a unique combination of properties, i.e., low molecular weight (M), low polydispersity index (M/Mcontrollable kinematic viscosity (Kv), low Iodine Number (I) and low glass transition temperature (T) and are substantially amorphous. The liquid polyalphaolefin homo- or copolymers provided herein are useful for manufacturing a variety of products including lubricating oils in which the polyalphaolefin functions as a viscosity modifier.