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:
Mar. 03, 1992
Filed:
Mar. 19, 1990
Tze-Chiang Chung, State College, PA (US);
Encok Berluche, Phllipsburg, NJ (US);
Jan Bock, Bridgewater, NJ (US);
Rodney V Kastrup, Humble, TX (US);
Exxon Research and Engineering Company, Florham Park, NJ (US);
Abstract
A process for preparing a functionalized petroleum resin which comprises the steps of: dissolving a petroleum resin having a norbornene moiety with a double bond in a solvent to form a solution; adding to the solution a borane compound having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are alkyl or cycloalkyl groups having about 1 to about 10 carbonations; reacting said petroleum resin with said borane compound at about room temperature for a sufficient period of time to form a borane intermediate; and reacting said borane intermediate with a chemical agent to convert said borane intermediate into said functionalized petroleum resin.