Patent
Method of hardening gelatin and photographic light-sensitive material
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TLDR
In this paper, a photographic silver halide light-sensitive material having at least one hydrophilic colloid layer containing gelatin and/or a gelatin derivative hardened with a compound represented by the following general formula (I):Abstract:
A photographic silver halide light-sensitive material having at least one hydrophilic colloid layer containing gelatin and/or a gelatin derivative hardened with a compound represented by the following general formula (I): ##STR1## wherein a and d each represents 1 or 2; b and c each represents 0, 1 or 2 with the proviso that both b and c are not simultaneously 0; R represents a divalent group; and n is 0 or 1, which compound provides a preferred hardening rate and does not adversely affect the photographic properties of photographic light-sensitive materials, and a method of hardening gelatin and/or a gelatin derivative comprising treating the gelatin and/or the gelatin derivative with a compound represented by the general formula (I) above.read more
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Patent
Silver halide photographic material.
Morio Yagihara,Hisashi Okada,Kazunobu Fuji Photo Film Kato,Noriyuki Inoue,Shingo Fuji Photo Fi Nishiyama,Tetsunori C O Fuji Matsushita +5 more
TL;DR: In this article, a support having provided thereon at least one silver halide emulsion layer was disclosed, wherein the dispersion medium phase containing the fine particles was substantially transparent to the photosensitive peak wavelength light of the emulsion, and the photographic material was exposed and processed in the development process comprising at least a developing step and a fixing step.
Patent
Chain extended gelatin
TL;DR: In this article, a soluble, chain extended gelatin having a high molecular weight and significantly higher viscosity at equivalent gelatin concentration compared to standard gelatin and significantly faster setting time is produced by preparing a gelatin composition containing from about 6 % to about 18 % dry weight of gelatin and from about 0.25 to about 5 millimoles of a bis-(vinyl sulfonyl) compound per 100 grams of gelatin.
Patent
Use of acid processed ossein gelatin and chain-extended acid processed ossein gelatin as peptizers in the preparation of photographic emulsions
TL;DR: In this article, a method of nucleating silver halide particles in the presence of acid processed ossein (APO) gelatin or chain-extended acid-processed ossein gelatin and the composition formed therefrom is described.
Patent
Silver halide light-sensitive photographic material
Kazuyoshi Goan,Hasegawa Takuji +1 more
TL;DR: In this paper, a light-sensitive photographic material having a support and provided thereon, hydrophlic colloidal layers including at least one silver halide light sensitive emulsion layer is disclosed.
Patent
Light-sensitive silver halide photographic element
TL;DR: In this article, a light-sensitive silver halide photographic element comprising a support and at least one hydrophilic colloid layer comprising a binder and a vinylsulfonyl type hardener was presented.
References
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Patent
Hydrophilic-colloid silver halide emulsion hardened with a bisvinylsulfonyl compound
TL;DR: In this article, the authors disclosed photographic elements containing a hydrophilic colloid layer hardened with a compound having two vinylsulfonyl radicals coupled through a divalent hydrocarbon radical chosen from the group consisting of an aliphatic radical having from 1 to 6 carbon atoms.
Patent
Silver halide photosensitive element containing hydrophilic colloid layers hardened with alpha,beta-bis-acryloylamido-ethyleneglycol
TL;DR: A HYDROPHILIC COLLOID PRESENT in a PHOTOGRAPHIC LAYER MATERIAL is CROSSLINKED with A,B-BIS-ACRYLOYLAMIDO-ETHYLENEGLYCOL OR A, B-Bis-METHACryLoyLamidO-ethylENeglyCOL as discussed by the authors.
Patent
Light-sensitive silver halide color photographic material and a process for developing thereof
TL;DR: A light-sensitive silver halide color photographic material comprising a new development inhibitor releasing type compound and a hardening agent and a process for developing thereof is described in this paper, where the authors describe the process of developing the material.