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:
Sep. 03, 1985
Filed:
Jun. 27, 1984
Applicant:
Inventors:
Assignee:
Rutgerswerke Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08G / ;
U.S. Cl.
CPC ...
528271 ; 528489 ; 528361 ; 526290 ;
Abstract
Aromatic hydrocarbon resins are disclosed prepared from aromatic, unsaturated hydrocarbons and a melted aromatic carboxylic acid polymerized in the presence of a Friedel-Crafts catalyst. The resin may be used in printing inks, for paper sizing, for coatings and other applications where natural resins have been used.