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:
Jan. 14, 1997
Filed:
Aug. 01, 1995
Applicant:
Inventors:
Dale L Handlin, Jr, Houston, TX (US);
Carl L Willis, Houston, TX (US);
Daniel E Goodwin, Katy, TX (US);
David J St Clair, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525314 ;
Abstract
Star polymers of isoprene or butadiene having terminal hydroxyl groups have reduced viscosity when the hydroxyl groups are located on polymeric arms that are grown from the core of the star molecules. The polymers are useful in making coatings, sealants, and binders.