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. 05, 1991
Filed:
Feb. 27, 1990
Masaharu Toriuchi, Kanagawa, JP;
Hirokazu Kondo, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A color diffusion transfer photographic light-sensitive material is disclosed, said light-sensitive material comprising at least one selected from the group consisting of polymers obtained by the condensation of at least one of compounds represented by the general formula (I) and at least one of compounds represented by the general formula (II) in the presence of an acid or alkaline catalyst; polymers obtained by the condensation of at least one of compounds represented by the general formula (I) and at least one of compounds represented by the general formula (III) in the presence of an acid catalyst; novolak resins obtained by the condensation of at least one of compounds represented by the general formula (I) and at least one of compounds represented by the general formula (IV) in the presence of an acid catalyst in a uniform organic solvent system while eliminating off water produced upon azeotropy; and polymers obtained by the condensation of at least one of compounds represented by the general formula (I) and at least one of compounds represented by the general formula (V) in the presence of an acid catalyst: ##STR1## wherein G represents a hydroxyl group or a group which undergoes hydrolysis by an alkali to produce a hydroxyl group; n represents an integer 1 or more, with the proviso that the plurality of G's may be the same or different; R.sup.1, R.sup.2, R.sup.13, R.sup.14, R.sup.23, R.sup.33, R.sup.43, R.sup.44 and R.sup.45 are defined in the specification.