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:
Jun. 07, 1977
Filed:
Sep. 29, 1975
Applicant:
Inventors:
Shozo Tsuchiya, Kawasaki, JA;
Hisatake Sato, Yokohama, JA;
Akio Oshima, Yokohama, JA;
Hideo Hayashi, Yokohama, JA;
Assignee:
Nippon Oil Company Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 38 ;
Abstract
Resins for printing ink and particularly offset ink, are produced by reacting a resin obtained by heat polymerizing at least one of cyclopentadiene, dicyclopentadiene or their alkyl substituted derivatives with 1-3 carbons and an unsaturated alcohol or unsaturated alcohol ester of an organic acid at a temperature of 150-350.degree. C. in the presence or in the absence of an inert hydrocarbon solvent with a higher monohydric saturated fatty acid or higher monohydric unsaturated fatty acid or their mixtures to produce a resin having a softening point of 100.degree. C or more.