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:
Nov. 16, 1976
Filed:
Mar. 12, 1974
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96 36 ; 96 88 ; 156-4 ; 156 18 ; 252 791 ; 252 793 ;
Abstract
A photo-sensitive etchant comprising (1) a first composition comprising a substance capable of producing water upon exposure to light, a binder and a solvent and (2) a second composition comprising a compound capable of producing, upon exposure to light, a metal-etching substance or a substance which reacts with another other substance to form a metal-etching product, a binder and a solvent; and a method for forming metal image by using the photosensitive etchant.