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. 25, 1985
Filed:
Aug. 26, 1983
Applicant:
Inventors:
Hatsuo Nakamura, Yokohama, JP;
Tiharu Kato, Yokohama, JP;
Toshio Yonezawa, Yokosuka, JP;
Shigeo Koguchi, Kitakyushu, JP;
Kiyoto Mori, Kasukabe, JP;
Masahiko Igarashi, Soka, JP;
Assignees:
Kanto Chemical Co., Inc., Tokyo, JP;
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524572 ; 5253331 ; 5253325 ; 525376 ;
Abstract
There is proposed a negative-working photoresist coating composition of an improved resolution, which comprises a cyclized polyisoprene having a weight-average molecular weight of 10,000 to 100,000 and a molecular weight distribution of not more than 1.9, an organic solvent of the cyclized polyisoprene, and a bisazido compound as a crosslinking agent.