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:
Jul. 05, 2005
Filed:
Sep. 06, 2001
Applicants:
Norio Ishikawa, Soka, JP;
Kiyoto Mori, Soka, JP;
Inventors:
Norio Ishikawa, Soka, JP;
Kiyoto Mori, Soka, JP;
Assignee:
Kanto Kagaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D007/50 ; B08B003/08 ; H01L021/306 ;
U.S. Cl.
CPC ...
Abstract
The invention provides etching liquid compositions for transparent conducting films wherein foaming is suppressed and residues do not occur after etching. The etching liquid compositions include an etching liquid for transparent conducting films and one or more compounds selected from the group consisting of polysulfonic acid compounds and polyoxyethylene-polyoxypropylene block copolymers.