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:
Mar. 10, 1981
Filed:
Apr. 04, 1979
Shigeo Hirano, Minami-ashigara, JP;
Keiichi Adachi, Minami-ashigara, JP;
Nobuyuki Tsujino, Minami-ashigara, JP;
Fuji Photo Film Co., Ltd., Ashigara, JP;
Abstract
A direct positive light-sensitive silver halide photographic material comprising a support having thereon a layer containing a compound represented by the formula (I): ##STR1## wherein R.sub.1 represents an aliphatic residue or an aromatic residue; R.sub.2 represents a hydrogen atom, an aliphatic residue, or an aromatic residue; X.sub.1 and X.sub.2, which may be the same or different, each represents a divalent aromatic residue; and Y represents --R--, --O--R or --S--R-- wherein R represents a divalent aliphatic residue and the O or S is bonded to X.sub.1. The compound is particularly effective in combination with a diffusible dye releasing dye image providing compound having an o-hydroxyarylsulfamoyl group.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile