U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

Newsletter  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.

 

Class 430/214 - Having either a nonradiation sensitive scavenger layer, or an ingredient for forming scavenger or barrier layer, or an identified developing agent scavenger


Subclass of Class 430 - Radiation imagery chemistry: process, composition, or product thereof
Definition: Element containing a nonradiation sensitive scavenger layer,
No. of patents: 121
Last issue date: 10/28/2008


1        
NumberTitleIssue Date
7442487Low outgassing and non-crosslinking series of polymers for EUV negative tone photoresists
A series structure of a chemically amplified negative tone photoresist that is not based on cross-linking chemistry is herein described. The photoresist may comprise: a first aromatic structure copolymerized with a cycloolefin, wherein the cycloolefin is functionali...
10/28/2008
7282317Dye complexes and use thereof in imaging members and methods
There are described novel complexes formed between hydrogen bond acceptors and phenolic dye compounds and imaging members and imaging methods, including thermal imaging members and methods utilizing the complexes. ...
10/16/2007
7022441Silver-free black-and-white thermographic materials containing a benzoquinone and methods of imaging
Silver-free, aqueous-based direct thermographic materials are designed to have image tone with near neutral density. Without the use of organic silver salts containing reducible silver ions, the image is formed using a color developing agent precursor that releases ...
04/04/2006
6953650Multicolor image forming material
A laser thermal transfer multicolor image forming material comprising an image-receiving sheet containing an image-receiving layer and a thermal transfer sheet containing a light-to-heat conversion layer, an image-forming layer and a support, which comprises a white...
10/11/2005
6783922Photographic material containing a scavenger-modified polymer
The invention is directed to a photographic material, comprising a photographic support and color sensitive recording layers on top of said support, said recording layers being separated from each other by interlayers, wherein the interlayers are characterized by th...
08/31/2004
6410217Heat-developable color light-senitive material
A heat-developable color light-sensitive material which contains at least, on a support, a light-sensitive silver halide emulsion, a binder, and a dye-providing compound, wherein the light-sensitive material contains at least one compound represented by f...
06/25/2002
6329129Heat-developable color light-sensitive material
A heat-developable color light-sensitive material comprising a support having thereon at least a light-sensitive silver halide emulsion, a hydrophilic binder and a dye-donating compound capable of releasing a diffusible dye in correspondence or counter-co...
12/11/2001
6303261Silver halide color photographic material and image forming method using the same
Disclosed are a silver halide color photographic material having on a support a photographic element in which silver halide grains, a developing agent and a coupler capable of forming a dye by reaction with an oxidation product of the developing agent are...
10/16/2001
6303282Heat developable color photographic photosensitive material
The present invention discloses a color photographic photosensitive material for heat development, which material is characterized in that the color photographic photosensitive material produces superior discrimination with reduced color muddiness in rapi...
10/16/2001
6228568Color photographic recording material
The present invention relates to a color photographic recording material which contains, in at least one layer between the substrate and light-sensitive emulsion layer situated nearest to the substrate, a compound of formula (I) ##STR1## wherein X an...
05/08/2001
6177227Heat-development color photographic light sensitive material
There is disclosed a heat-development color photographic light-sensitive material which has on a base at least two applied silver halide emulsion layers different in color sensitivity from each other and at least one applied non-light-sensitive layer, whe...
01/23/2001
6020114Color photographic recording material
A colour photographic recording material which contains on a support at least one blue-sensitive silver halide emulsion layer, which is associated with a yellow coupler, at least one green-sensitive silver halide emulsion layer, which is associated with a...
02/01/2000
5856072Photographic element containing 5-carbamoyl resorcinol interlayer scavenger
A color photographic element which comprises a light sensitive silver halide emulsion layer and a non-light sensitive interlayer containing a ballasted 5-carbamoyl-1,3-dihydroxybenzene compound. The element exhibits an improved ability to prevent oxidized...
01/05/1999
5629140Photographic elements containing scavengers for oxidized developing agent
An improved photographic element comprises a support bearing at least one silver halide emulsion layer having associated therewith a hydrazide compound that functions as a scavenger for oxidized developing agent. The hydrazide compound includes an electro...
05/13/1997
5607812Color diffusion transfer film unit
A color diffusion transfer film unit containing an alkali processing element as one of elements constituting the film unit, wherein at least one of the elements contains at least one oligomer or polymer having surface activity. The film unit can contain a...
03/04/1997
5604079Photographic 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
5512414Solid particle coupler dispersions for color diffusion transfer elements
A photographic color diffusion transfer element is disclosed wherein said element comprises a single dimensionally stable support, wherein said support comprises an opaque and light reflecting layer, and coated thereon in reactive association and in seque...
04/30/1996
5484683Dye fixing element with hydrazine
There is disclosed a dye fixing element containing a novel compound which improves the light fastness of an image obtained by the method in which the image is formed by transferring. The above dye fixing element contains a novel hydrazine derivative repre...
01/16/1996
5478712Photographic elements protected against color contamination and dye stain
A ballasted amine is incorporated in a silver halide photographic element which contains a 2,4-disulfonamidophenol which functions as a scavenger for oxidized developing agent. The 2,4-disulfonamidophenol serves to avoid color contamination while the ball...
12/26/1995
5460933Photographic element having solid particle dispersion of oxidized developer scavenger
Undesirable particle growth of particles comprising a hydrazide oxidized developer in a photographic dispersion can be significantly reduced when the hydrazide scavenger is in the form of a dispersion of crystalline solid particles dispersed in an aqueous...
10/24/1995
5457014Photographic coating compositions and photographic elements made therefrom
Melt crystallization of a photographic composition containing dispersed particles of a filter dye and dispersed particles of oxidized developer scavenger, in particular a hydrazide or a disulfonamidophenol oxidized developer scavenger, is inhibited by dis...
10/10/1995
5455155Photographic element having reduced dye stain
Undesirable dye stain in a photographic element containing a disulfonamidophenol oxidized developer scavenger can be significantly reduced when the disulfonamidophenol scavenger is in the form of a crystalline solid particle dispersion prepared by milling...
10/03/1995
5447818Color diffusion transfer film unit
A color diffusion transfer film unit and an image formation method using the same are disclosed, in which a light-sensitive material containing a specific sulfonamide compound of formula (I) and a specific tertiary amine compound of formula (II) is proces...
09/05/1995
5419996Color diffusion transfer photosensitive material
Disclosed is a color diffusion transfer photosensitive material containing a compound represented by a color diffusion transfer photosensitive material containing at least one compound represented by the following general formula (I): ##STR1## w...
05/30/1995
5370967Barrier layer for dye containment in photographic elements
A photographic element for processing in moderate to large volume photofinishing baths and comprising one and only one dimensionally stable coating support, and coated thereon in reactive association an imaging layer containing radiation sensitive silver ...
12/06/1994
5360702Photographic coating compositions and photographic elements made therefrom
Melt crystallization of a photographic composition containing dispersed particles of a filter dye and dispersed particles of oxidized developer scavenger, in particular a hydrazide or a disulfonamidophenol oxidized developer scavenger, is inhibited by dis...
11/01/1994
5342729Dye fixing element with protective layer containing borate compound
Disclosed is a novel dye fixing element comprising a dye fixing layer on which a diffusive dye produced or released by developing a light-sensitive element containing at least (i) a light-sensitive silver halide, (ii) a hydrophilic binder and (iii) a dye ...
08/30/1994
5342730Dye releasing couplers for color diffusion transfer elements with dye barrier layers
In accordance with this invention a photographic color diffusion transfer element and process for its development are provided. The element comprises a single dimensionally stable support, wherein said support comprises an opaque and light reflecting laye...
08/30/1994
5338644Process and composition for use in photographic materials containing hydroquihones
Hydroquinones form stable hydrogen-bonded complexes with N,N,N',N'-tetrasubstituted diamides of aromatic dicarboxylic acids in which two carboxyl groups are arranged para to one another on the same phenyl ring. These complexes are useful in rendering the ...
08/16/1994
5322758Integral color diffusion transfer element for large volume development
In accordance with this invention a photographic color diffusion transfer element is provided wherein said element comprises a single dimensionally stable transparent support and coated thereon in reactive association and in sequence (1) a mordant layer f...
06/21/1994
5298376Photographic silver halide material with improved color saturation
This invention provides a color silver halide photographic element having improved color saturation and a method of developing the photographic element. The photographic element comprises at least a first and a second silver halide emulsion layer each sen...
03/29/1994
5290660Dye permeable polymer interlayers
Blends of poly(caprolactone) and poly(vinyl chloride) have been found to have good dye permeability. They have been incorporated into photothermographic constructions as barrier interlayers and dye-receiving layers....
03/01/1994
5288745Image separation system for large volume development
In accordance with this invention a diffusion transfer process is provided for forming a color photographic image comprising the steps of: (a) using an integral element comprising one and only one dimensionally stable layer comprising a coating support, a...
02/22/1994
5275927Photothermographic articles containing novel barrier layers
Photothermographic articles containing interfacial barriers comprising a layer of a polymeric organic acid containing carboxyl and/or sulfo groups in direct contact with an adjacent layer comprising a basic polymer capable of forming hydrogen bonds with t...
01/04/1994
5264321Photothermographic elements with novel layer structures
Various photothermographic elements are provided containing a transparent substrate; image receiving layers; dry silver layers; interlayers; and a translucent or opacifying layer. The translucent or opacifying layer can occupy a variety of positions in th...
11/23/1993
5262272Dye permeable polymer interlayers
Vinyl stearate-vinyl chloride copolymers and blends of polyvinyl stearate and polyvinyl chloride have been found to have good dye permeability. They have been incorporated into photothermographic constructions as barrier interlayers and dye receiving laye...
11/16/1993
5254433Dye fixing element
A dye fixing element to which a diffusible dye is transferable, the dye having been formed or released during development, either after or at the same time as imagewise exposure of a photosensitive element, which photosensitive element comprises a photose...
10/19/1993
5240809Imageable articles having dye selective interlayers
The use of copolymers of vinylidene chloride and vinyl pyrrolidone as selective diffusion media in dye-diffusive photothermographic imaging constructions is disclosed. Unoxidized phenolic leuco dye molecules diffuse into a film of these copolyers but do n...
08/31/1993
5238792Imageable articles having dye selective interlayers
Imageable articles having dye selective interlayers comprising copolymers of styrene and vinylidene chloride are disclosed. The interlayers have sufficient permeability to be useful for constructions in which cationic dyes must be prevented from diffusing...
08/24/1993
5229246Photographic materials containing polysaccharides
A diffusion transfer photographic material is disclosed, which comprises a support having thereon at least a photosensitive element comprising a photosensitive silver halide emulsion and a diffusible dye donating compound, and a dye fixing element which i...
07/20/1993
1        
 
Sign InRegister
Username  
Password   
forgot password?