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| Number | Title | Issue Date |
| 7241562 | Color photographic element having improved speed This invention relates to a color silver halide photographic element comprising gelatin, a support bearing at least one dye image forming unit selected from a dye image forming unit comprising at least one red sensitive silver halide emulsion layer having associated... | 07/10/2007 |
| 7115359 | Photothermographic material A photothermographic material having a support provided on at least one side of the support light-sensitive silver halide particles, an organic silver salt and a reducing agent, as well as a leuco dye of a specific structure and a compound of a specific structure. | 10/03/2006 |
| 6897014 | Silver halide photographic light-sensitive material, photographic emulsion, and mercapto group-containing polymer compound used for them Disclosed is a silver halide photographic light-sensitive material, which comprises at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z—SH wherein Z represents a nitrogen-containing aromatic... | 05/24/2005 |
| 6620577 | High speed photothermographic materials containing selenium compounds and methods of using same Photothermographic imaging materials having increased photospeed are provided by certain selenium chemical sensitizers that are added during the formulation of a photothermographic emulsion. These selenium chemical sensitizers can be used alone or in comb... | 09/16/2003 |
| 6548238 | Color photographic recording material The stability of the dyes which are obtained after processing a color photographic material is improved by the addition of a polyvinylcaprolactam.... | 04/15/2003 |
| 6475715 | Photothermographic material and image forming method A photothermographic material is disclosed, comprising on a support an organic silver salt, a light-sensitive silver halide, a reducing agent, and a compound represented by the following formula, 6-aryl-2,4-bis(tribromomethyl)-s-triazine or a 6-heter... | 11/05/2002 |
| 6383731 | Polyhalogenomethylsulfonyl compound The object of the present invention is to provides a novel polyhalogenomethylsulfonyl compound which can be used for providing a thermally processed image recording material which has a high sensitivity, gives less fog, and has a good stock stability and ... | 05/07/2002 |
| 6255045 | Color photographic element containing improved polymeric disulfonamidophenol for scavenging oxidized developer This invention relates to a photographic element comprising a support, a radiation sensitive silver halide emulsion layer and a water dispersible polymeric disulfonamidophenol that is substantially immobile in the element. The invention provides color pho... | 07/03/2001 |
| 6171767 | 1-sulfonyl-1H-benzotriazole compounds as print stabilizers in photothermographic elements 1-Sulfonyl-1H-benzotriazole compounds have been found to be useful as antifoggants and print stabilizers in photothermographic elements. The photothermographic elements may be used in medical imaging films or as a photomask in a process where there is a s... | 01/09/2001 |
| 6165701 | Base film for photographic films A base film for photographic films formed from a copolyester comprising 97 to 100 mol % of 2,6-naphthalenedicarboxylic acid and 0 to 3 mol % of a dicarboxylic acid other than 2,6-naphthalenedicarboxylic acid and (i) 87 to 99.8 mol % of ethylene glycol, 0.... | 12/26/2000 |
| 6027872 | Thermographic photographic element A photothermographic element comprising a photosensitive silver halide, an organic silver salt, a reducing agent, and a compound of formula (I) on a support has a high sensitivity and storage stability. Z1 --(W1)m1 --L1 | 02/22/2000 |
| 5989802 | Recording materials and method for manufacturing said materials coated from hydrophilic layers having no gelatin or low amounts of gelatin Recording materials and a method of manufacturing said materials by coating hydrophilic colloidal layer compositions on a support by slide-hopper or curtain-coating techniques, followed by drying, said materials comprising a support and one or more light-... | 11/23/1999 |
| 5932404 | Silver halide photographic material containing a polymer with a photographically useful group which is rendered non-diffusible by cross-linking The present invention is a silver halide photographic material including at least one layer which contains; a polymer comprising as constituent components thereof a repeating unit having a photographically useful group and at least one repeating unit havi... | 08/03/1999 |
| 5888719 | Color photographic silver halide material A color photographic material with a support and at least one spectrally sensitised silver halide emulsion layer containing at least one color coupler, which layer contains a polymer with repeat units of the structure I ##STR1## in which R1... | 03/30/1999 |
| 5871899 | Poly (alkylene oxide)s in photographic elements A silver halide color photographic element comprising a support, a silver halide emulsion and poly(alkylene oxide)s wherein greater than 50 percent of the poly(alkylene oxide)s have acidic functional end groups with an aqueous pKaࣘ10, or end groups whic... | 02/16/1999 |
| 5800977 | Hardening a hydrophilic colloid composition A hydrophilic colloid is hardened with a vinyl-sulfone hardener in the presence of a borate compound in an amount sufficient to accelerate the rate of hardening. The borate compound is preferably a compound of Formula (I), or a salt, hydrate or precursor ... | 09/01/1998 |
| 5744292 | Silver halide photographic light-sensitive material containing a dispersion of solid fine grains There is disclosed a silver halide photographic light-sensitive material that comprises, in at least one photographic layer constituting the material, a dispersion containing fine grains of a solid dye represented by the following general formula (II), wh... | 04/28/1998 |
| 5698367 | Lithographic printing plate Disclosed is a lithographic printing plate having a silver halide emulsion layer and a layer containing physical development nuclei on a support, the improvement wherein a water-soluble polymer having a structural unit represented by the formula (I): ... | 12/16/1997 |
| 5674673 | Silver halide color photographic material The invention concerns a color negative process wherein a photographic material comprising silver chloride or silver bromide and a DIR or DIAR coupler is processed in the presence of a polyester comprising intralinear thioether atoms.... | 10/07/1997 |
| 5569576 | Photographic materials containing polymeric compounds A photographic material is disclosed containing on at least one side of the support at least one light-sensitive silver halide emulsion layer characterised in that the light-sensitive layer and/or at least one non-light sensitive layer in water-permeable ... | 10/29/1996 |
| 5529892 | Hardened silver halide photographic elements Light-sensitive silver halide photographic element comprising a support bearing at least a light-sensitive silver halide emulsion layer and at least a protective layer being further away from the support than every silver halide emulsion layer, said prote... | 06/25/1996 |
| 5503967 | Silver halide photographic material having improved antistatic properties The present invention relates to a silver halide photographic material comprising a support and at least one silver halide emulsion layer coated thereon, wherein said silver halide emulsion layer comprises from 5 to 15% by weight of a water-soluble, elect... | 04/02/1996 |
| 5478715 | Silver halide photographic material A silver halide photographic material comprising a support and a silver halide emulsion layer provided thereon. The silver halide emulsion is prepared by nuclear formation, crystal growth and chemical sensitization. All or a part of the nuclear formation ... | 12/26/1995 |
| 5439785 | Photographic elements comprising antistatic layers of vanadium pentoxide, epoxy-silane, and sulfopolymer Light-sensitive photographic element comprising a polymeric film base, a silver halide emulsion layer, and an antistatic layer comprising a colloidal vanadium oxide and a sulfopolyester. The antistatic layer may be present as a backing layer on the side o... | 08/08/1995 |
| 5420004 | Direct positive silver halide emulsion and color diffusion transfer light-sensitive material therewith An internal latent image type positive silver halide emulsion has improved sensitivity reduction in low illuminance exposures. A color diffusion transfer light-sensitive material incorporates the emulsion and has reduced sensitivity reduction. The interna... | 05/30/1995 |
| 5356770 | Color photographic materials and methods with stabilized silver chloride emulsions Color photographic materials and methods employ a substrate bearing a silver chloride emulsion. The silver chloride emulsion includes a diamino disulfide and a sulfinate. The diamino disulfide and the sulfinate are included in a weight ratio of from about... | 10/18/1994 |
| 5275931 | Silver halide photographic material A silver halide light-sensitive material containing at least silver halide grains, a dispersion medium, an antifoggant, and a hardening agent, wherein said antifoggant is an antifoggant having a reactive substituent capable of reacting with a functional g... | 01/04/1994 |
| 5234807 | Microemulsion polymerization - processes for dispersing photographically useful components The polymerization and copolymerization of photographically useful vinyl monomers can be effected by dissolving such monomers in an isotropic oil-in-water microemulsion or in an isotropic water-in-oil microemulsion, each comprising monomers or comonomers,... | 08/10/1993 |
| 5213959 | Silver halide photographic material A silver halide light-sensitive material containing at least silver halide grains, a dispersion medium, an antifoggant, and a hardening agent, wherein said antifoggant is an antifoggant having a reactive substituent capable of reacting with a functional g... | 05/25/1993 |
| 5212056 | Silver halide multilayer color photographic element comprising a disulfide supersensitizer A multilayer silver halide color photographic element comprising at least one blue-sensitive silver halide emulsion layer comprising a blue spectral sensitizing dye and a supersensitizing amount of a disulfide compound of formula ##STR1## wherei... | 05/18/1993 |
| 5041367 | Photographic recording material A photographic recording material is provided which has enhanced photographic properties, such as sharpness values without substantial decrease in photographic speed.... | 08/20/1991 |
| 5035975 | Light-sensitive material containing silver halide reducing agent and polymerizable compound Disclosed is a light-sensitive material comprising a support and a light-sensitive layer provided thereon which contains silver halide, a reducing agent and an ethylenically unsaturated polymerizable compound. The silver halide and the polymerizable compo... | 07/30/1991 |
| 5019494 | Silver halide photographic material A silver halide photographic material which comprises a support having thereon at least one hydrophilic colloid layer, wherein the hydrophilic colloid layer comprises (a) a binder comprising a dextran having a molecular weight of at least 100,000 and (b) ... | 05/28/1991 |
| 4977059 | Sulfonated-ethylene oxide dispersants for use in preparing amine-formaldehyde microcapsules A method for forming microcapsules by enwrapping an oily core material in a formaldehyde condensation product formed in situ wherein a dispersant is used of the formula (I): ##STR1## where: M is an alkali metal cation or a quaternary ammonium group, ... | 12/11/1990 |
| 4962016 | Silver halide photographic light-sensitive material A silver halide photographic light-sensitive material which has an excellent gradation and an excellent pressure resistance. The photographic material comprising a support and, provided thereon, a photographic component layer including a silver halide emu... | 10/09/1990 |
| 4939077 | Photographic recording material containing polyester compounds having free acid groups Photographic silver halide recording material comprising a support, at least one light-sensitive silver halide emulsion layer, a protective layer and optionally other layers, at least one layer which is arranged closer to the support than the protective l... | 07/03/1990 |
| 4916047 | Silver halide light-sensitive material A silver halide light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, and containing a compound containing a repeating unit, said compound containing a repeating unit being connected at the repeating unit ... | 04/10/1990 |
| 4877720 | Silver halide photographic material A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, at least one layer of the silver halide photographic material comprising at least one compound represented by formula (I): PWR--Time-- | 10/31/1989 |
| 4727008 | Dye-forming electrically activatable recording element and process A dye-forming electrically activatable recording (EAR) element which is capable of forming at least two dye images comprises an electrically conductive support bearing on one side of the support at least a dye-forming layer (A) responsive to negative pola... | 02/23/1988 |
| 4716099 | Dispersions of water-insoluble photographic addenda using petroleum sulfonate Liquid petroleum sulfonates are useful alone or in combination with less lipophilic anionic surfactants in the preparation of dispersions of water-insoluble photographic addenda, such as couplers and ultraviolet absorbers, in hydrophilic colloid compositi... | 12/29/1987 |
