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. 12, 2018
Filed:
Mar. 25, 2015
Applicant:
Maruzen Petrochemical Co., Ltd., Chuo-ku, JP;
Inventors:
Yoshikazu Iijima, Chiba, JP;
Koichiro Kanai, Ichihara, JP;
Yasunori Hayashi, Ichihara, JP;
Takeshi Haruna, Chiba, JP;
Assignee:
MARUZEN PETROCHEMICAL CO., LTD., Chuo-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/04 (2006.01); C08F 232/06 (2006.01); C08F 32/04 (2006.01); C07C 2/42 (2006.01); C08F 212/08 (2006.01); C07C 2/50 (2006.01);
U.S. Cl.
CPC ...
C08F 8/04 (2013.01); C07C 2/42 (2013.01); C07C 2/50 (2013.01); C08F 32/04 (2013.01); C08F 212/08 (2013.01); C08F 232/06 (2013.01); C07C 2602/42 (2017.05);
Abstract
A method for producing a hydrogenated petroleum resin by reacting dicyclopentadiene with a vinyl aromatic compound, subjecting the reaction product obtained by this reaction to thermal polymerization, and then hydrogenating the resulting product, including the following steps (A) to (C):