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:
Jun. 30, 1987
Filed:
Sep. 04, 1986
Shigeki Yokoyama, Kanagawa, JP;
Takayuki Inayama, Kanagawa, JP;
Naohiko Sugimoto, Kanagawa, JP;
Takashi Naoi, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photographic material is described, comprising a support having thereon at least one layer containing a cross-linked polymer represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom or an unsubstituted or substituted alkyl group; R.sub.3 represents a hydrogen atom, an unsubstituted or substituted alkyl group, cycloalkyl group, aryl group, or acyl group; R.sub.4 represents a hydrogen atom or an unsubstituted or substituted alkyl group; or R.sub.3 and R.sub.4 together form a ring; L represents a divalent, trivalent or tetravalent connecting group; l represents 0 or 1; m represents an integer of 1 to 3; n represents an integer of 1 to 10; A represents a polymeric unit formed by copolymerizing an ethylenically unsaturated and copolymerizable monomer; B represents a polymeric unit formed by copolymerizing a copolymerizable cross-linking monomer containing at least two copolymerizable and ethylenically unsaturated groups; M represents a cation; w represetns 10 to 95 mol %; x represents 3 to 88 mol %; y represents 0 to 50 mol %, and z represents 2 to 30 mol %.