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. 05, 1999
Filed:
Oct. 21, 1997
Applicant:
Inventor:
Takashi Takeda, Shizuoka, JP;
Assignee:
Clarient International Ltd., Muttenz, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
4302701 ;
Abstract
A radiation sensitive composition containing resist materials such as quinonediazido photo active compound and alkali soluble resin, and a mixed solvent comprising (A) 1 to 25% by weight of propylene glycol derivatives as represented by the formula: