Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7122299 | Silver halide photographic light-sensitive material A silver halide photographic photosensitive material, containing at least one residual-color-reducing agent having at least one aromatic ring or aromatic heterocycle in its molecule; a processing method thereof; and an image-forming method. ... | 10/17/2006 |
| 7112400 | Silver halide color photographic photosensitive material and image forming method An image forming method including a step of imagewise exposing a silver halide color photographic photosensitive material having, on a support, photographic constituent layers including at least one blue sensitive silver halide emulsion layer, at least one green sen... | 09/26/2006 |
| 7083905 | Silver halide photographic light-sensitive material A silver halide color photographic light-sensitive material having, on a support, a yellow dye-forming light-sensitive silver halide emulsion layer, a magenta dye-forming light-sensitive silver halide emulsion layer and a cyan dye-forming light-sensitive silver hali... | 08/01/2006 |
| 7026108 | Method of preparing co-precipitated microcrystalline dye dispersions and layers coated therewith in materials A method has been disclosed for preparing a co-precipitated microcrystalline dye dispersion, the absorption spectrum of which exceeds the summoned spectra of individually dispersed dyes, which comprises, as consecutive preparation steps: adding to one vessel, an amo... | 04/11/2006 |
| 6921631 | Silver halide color photographic material and method of forming color image A silver halide color photographic material, which can provide photographs reduced in unevenness of finished image density with high productivity and at low prices even when it undergoes exposure and photographic processing operations under high-speed transport in t... | 07/26/2005 |
| 6756188 | Photographic recording material for accelerated development This invention relates to a photographic element comprising a support and at least two silver halide emulsion layers further comprising, an electron transfer agent releasing compound represented by the formula (I): CAR1—(L)nâ€... | 06/29/2004 |
| 6746833 | Color image forming method and digital image forming method A color image forming method is disclosed, comprising exposing a silver halide color photographic material and developing the exposed photographic material at 43 to 180° C. to form a color image, wherein at least one light-sensitive layer comprising a silver halide... | 06/08/2004 |
| 6670112 | Silver halide color photographic light-sensitive material A silver halide color photographic light-sensitive material comprising a support having thereon one or more layers including at least one light-sensitive silver halide emulsion layer comprising at least one coupler which undergoes a coupling reaction with... | 12/30/2003 |
| 6413706 | Dispersion or molten product of water-insoluble photographically useful compounds, producing method thereof, coating compositions and silver halide photographic light-sensitive material using the same There is disclosed a method for producing an aqueous dispersion of a water-insoluble photographically useful compound, by mixing a composition containing at least one water-insoluble photographically useful organic compound with an aqueous medium, and fin... | 07/02/2002 |
| 6309812 | Emulsified dispersion of photographic hydrophobic compound and silver halide photographic light-sensitive material There is disclosed an emulsified dispersion of photographic hydrophobic compound fine grains (with a proviso of excluding silver halides), which comprises an added water-soluble monovalent- or polyvalent-metal salt. The emulsified dispersion whose particl... | 10/30/2001 |
| 6291151 | Silver halide photographic light-sensitive material and image forming method There is disclosed a silver halide photographic light-sensitive material comprising at least a silver halide emulsion layer containing a yellow dye-forming coupler, a silver halide emulsion layer containing a magenta dye-forming coupler and a silver halid... | 09/18/2001 |
| 6187526 | Method to prevent the growth of micro-organisms in photographic dispersions The invention relates to the preparation of photographic dispersions. The method of the invention consists in preparing a fluid dispersion of an additive in a colloid, congealing the resulting dispersion, subdividing the resulting congealed dispersion into par... | 02/13/2001 |
| 6110658 | Cyan coupler and combination solvent-containing photographic element and process Disclosed is a photographic element having a reduced rate of crystal formation comprising a silver halide emulsion layer having associated therewith: (a) a phenolic cyan dye-forming "NB coupler"; (b) a first high boiling solvent having Formula (IV): G--C--OO--... | 08/29/2000 |
| 5989801 | Silver halide photographic material and method for forming image The present invention provides a silver halide photographic material and an image forming method for obtaining a monochrome image using a dye image even if it is treated with a color developer free of benzyl alcohol; a photographic property of the monochr... | 11/23/1999 |
| 5830632 | Photographic element containing dispersions of high dye-yield couplers having improved photographic activity Photographic element are described comprising a support bearing a photographic silver halide emulsion layer having associated therewith a micro-precipitated dispersion of a high dye-yield coupler having the formula: COUP--(T)m --L--DYE where CO... | 11/03/1998 |
| 5763146 | Photographic materials containing water soluble amino hexose reductones The invention relates to a silver halide photographic emulsion comprising silver halide grains and the reductone of Formula I ##STR1## wherein R1 and R2 are the same or different, and may represent H, alkyl, cycloalkyl, aryl, or... | 06/09/1998 |
| 5605785 | Annealing processes for nanocrystallization of amorphous dispersions A process for forming a nanocrystalline dispersion of a photographically useful compound in a continuous phase comprising the steps of: providing a nanoamorphous dispersion of said photographically useful compound in said continuous phase, and annealing said n... | 02/25/1997 |
| 5604079 | Photographic system There is described a photographic system wherein development of an exposed photosensitive element is carried out in the presence of an acylpyridine-N-oxide compound.... | 02/18/1997 |
| 5595860 | Process for the processing of silver halide color photographic material A process for processing a silver halide color photographic material, which comprises developing in a color developer substantially free of sulfite ion and containing an aromatic primary amine color developing agent and at least one phosphorus compound se... | 01/21/1997 |
| 5538834 | Blocked photographically useful compounds for use with peroxide-containing processes A method is disclosed for developing an image in a photographic element comprising a support, a silver halide emulsion containing an imagewise distribution of developable silver halide grains, and a blocked photographically useful compound comprising a ph... | 07/23/1996 |
| 5500331 | Comminution with small particle milling media A method of preparing submicron particles of a material, such as a pigment useful in paints or a compound useful in imaging elements, which comprises milling the agent in the presence of milling media having a mean particle size of less than about 100 mic... | 03/19/1996 |
| 5478705 | Milling a compound useful in imaging elements using polymeric milling media Particles of compound useful in imaging elements are milled using a milling media comprising a polymeric resin. The use of polymeric milling media permits the production of particles having an average particle size less than 1 micron. Further, the resulti... | 12/26/1995 |
| 5462843 | Recording material for color photography A silver halide material for colour photography, comprising a support, at least one blue-sensitive yellow-coupling silver halide emulsion layer, at least one green-sensitive, magenta-coupling silver halide emulsion layer, and at least one red-sensitive, c... | 10/31/1995 |
| 5441854 | Photographic image forming process utilizing a barrier layer for diffusible dye containment A process is disclosed for forming a color photographic image comprising the steps of: (a) providing an integral element comprising one and only one dimensionally stable layer comprising a reflection base or transparent base coating support, and coated th... | 08/15/1995 |
| 5434036 | Process for forming microcrystalline coupler dispersions Process for forming a microcrystalline coupler dispersion comprising the steps of: providing crystalline coupler in an aqueous suspension; dispersing said coupler with mechanical shear, combining said coupler dispersion with an activating water-immiscible... | 07/18/1995 |
| 5415980 | Image forming method A method of forming a photographic image comprising imagewise exposing a silver halide color photographic material comprising a support having thereon a cyan color image forming layer, a magenta color image forming layer and an yellow color image forming ... | 05/16/1995 |
| 5405736 | Dye stability with solid coupler solvent The invention provides a photographic dispersion for inducing dye stability in the eventual photographic product. The invention provides in a first aspect a photographic dispersion comprising a photographic coupler and a solvent therefore wherein the solv... | 04/11/1995 |
| 5401623 | Reactivity control in microcrystalline coupler dispersions A photographic coupler dispersion comprising colloidal microcrystalline particles of coupler, wherein said particles are wetted with an activating and water-immiscible organic solvent, and a color photographic element comprising a support bearing at least... | 03/28/1995 |
| 5298375 | Silver halide color photographic material having reduced magenta color stain Disclosed is a silver halide color photographic material which contains a particular epoxy compound having slight solubility in water, an acylacetamide type yellow dye forming coupler the acyl group of which is a cycloalkane type and a pyrazolotriazole ty... | 03/29/1994 |
| 5298368 | Photographic coupler compositions and methods for reducing continued coupling Photographic coupler compositions comprise (a) a pyrazolone magenta dye-forming coupler compound, and (b) a sulfoxide compound in an amount sufficient to reduce continued coupling of the coupler compound during the bleach step of a color photographic proc... | 03/29/1994 |
| 5260176 | Method of forming a color image A method of forming a color image on a silver halide color photographic light-sensitive material having at least one silver halide emulsion layer provided on a reflective support, which does not substantially contain silver iodide and which contains silve... | 11/09/1993 |
| 5250405 | Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods Color photographic materials comprise a support bearing a silver halide emulsion and a coupler composition. The coupler composition comprises a two-equivalent pyrazolone magenta dye-forming coupler, a ballasted carbonamide compound, and a developer inhibi... | 10/05/1993 |
| 5240821 | Solid particle dispersion developer precursors for photographic elements A dispersion comprising solid particles of a developer precursor having the structure CD--(T)m --S in which CD is a silver halide color developer, T is a timing group, m is an integer from 0 to 6, and S is a blocking group, and a vehicle in which the sol... | 08/31/1993 |
| 5238790 | Silver halide photographic light-sensitive material and method of processing the same A silver halide photographic light-sensitive material contains a dispersion in which at least one compound represented by formula (I) below and a photographic useful reagent, which is hard to solve in water, are dispersed together. (In formula (I), R... | 08/24/1993 |
| 5232821 | Photographic coupler compositions containing ballasted sulfoxides and sulfones and methods Photographic coupler compositions comprise (a) a magenta dye-forming coupler compound, and (b) a sulfoxide compound or a sulfone compound in an amount sufficient to improve the light stability of a magenta dye formed from the magenta dye-forming coupler c... | 08/03/1993 |
| 5215875 | Color photographic recording material A color photographic recording material comprising at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at le... | 06/01/1993 |
| 5206120 | Method for forming color images A method for forming a color image comprising the step of: developing a silver halide color photographic material for a color developing time of about 20 seconds or less and for a total processing time from color developing to drying of about 100 seconds ... | 04/27/1993 |
| 5200307 | Sliver halide color photographic material A silver halide color photographic material containing a support having thereon photographic constitutional layers, which comprises (a) a magenta coupler represented by formula (I) that is contained with a high-boiling organic solvent at a prescribed weight ra... | 04/06/1993 |
| 5200303 | Method of forming a color image from silver halide photosensitive materials containing cyan coupler with high viscosity organic solvent and polymer A light-sensitive silver halide material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, at least one layer of the light-sensitive silver halide emulsion layer or an adjacent layer thereof containing an oil ... | 04/06/1993 |
| 5192646 | Photographic elements having sulfoxide coupler solvents and addenda to reduce sensitizing dye stain A method of forming color in a silver halide photographic element wherein the silver halide is sensitized with a dye involves reacting an oxidized developing agent with a phenol or naphthol cyan dye-forming coupler or an acylacetamide yellow dye-forming c... | 03/09/1993 |
