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:
Oct. 30, 2001
Filed:
Aug. 06, 1998
Applicant:
Inventors:
Mutsuo Nakashima, Nakakubiki-gun, JP;
Ichiro Kaneko, Kashima-gun, JP;
Toshinobu Ishihara, Nakakubiki-gun, JP;
Junji Tsuchiya, Nakakubiki-gun, JP;
Jun Hatakeyama, Nakakubiki-gun, JP;
Shigehiro Nagura, Nakakubiki-gun, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/075 ; G03F 7/30 ; G03F 7/38 ; C08G 7/720 ; C08G 7/738 ;
U.S. Cl.
CPC ...
G03F 7/075 ; G03F 7/30 ; G03F 7/38 ; C08G 7/720 ; C08G 7/738 ;
Abstract
The invention provides a high molecular weight silicone compound comprising recurring units of formula (1) and having a weight average molecular weight of 1,000-50,000. Some or all of the hydrogen atoms of carboxyl groups or carboxyl and hydroxyl groups in the silicone compound may be replaced by acid labile groups.