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:
Dec. 04, 1990
Filed:
Apr. 12, 1989
Applicant:
Inventor:
David W Parker, Holland, PA (US);
Assignee:
Union Camp Corporation, Wayne, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5262383 ; 530214 ; 5262196 ; 5262321 ; 526232 ;
Abstract
Copolymerization of beta-phellandrene with maleic anhydride, preferably in the presence of a free radical initiator such as AIBN, to form high molecular weight polymers (weight average molecular weight over 1,000) is disclosed. The polymerization may be conducted at a temperature up to about 190.degree. C., preferably in the range of about 40.degree. to 130.degree. C., preferably in the presence of a polar solvent.