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Attorney: Lorenzo; Alfred P.


Number of patents: 153
Last date: March 11, 1997

1        
NumberTitleIssue Date
5610003Two-equivalent magenta photographic couplers with activity-modifying ballasting groups
An improved photographic element comprises a support bearing at least one silver halide emulsion layer having associated therewith a two-equivalent 5-pyrazolone magenta-dye-forming coupler. The coupler has a coupling-off group in the 4-position and an act...
03/11/1997
5597681Imaging element comprising an electrically-conductive layer and a protective overcoat layer containing solvent-dispersible polymer particles
Imaging elements, such as photographic films and papers, are comprised of a support, an image-forming layer, an electrically-conductive layer and a protective overcoat layer that overlies the electrically-conductive layer. The protective overcoat layer is...
01/28/1997
5597680Imaging element comprising an auxiliary layer containing solvent-dispersible polymer particles
Imaging elements, such as photographic films and papers, are comprised of a support, an image-forming layer and at least one auxiliary layer containing solvent-dispersible polymer particles. The auxiliary layer is coated from a dispersion of core/shell po...
01/28/1997
5576163Imaging element having a process-surviving electrically-conductive layer with polyesterionomet binder
Imaging elements, such as photographic, electrostatographic and thermal imaging elements are comprised of a support, an image-forming layer and an electrically-conductive layer comprised of a vanadium pentoxide colloidal gel, a polyesterionomer binder and...
11/19/1996
5561036Photographic 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 hydroquinone compound that functions as a scavenger for oxidized developing agent. The hydroquinone compound has sufficien...
10/01/1996
5561035Photographic 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 pyrocatechol compound that functions as a scavenger for oxidized developing agent. The pyrocatechol compound has sufficien...
10/01/1996
5558977Imaging element comprising a transparent magnetic layer and a transparent electrically-conductive layer
Imaging elements, such as photographic, electrostatographic and thermal imaging elements, are comprised of a support, an image-forming layer, a transparent magnetic layer comprising magnetic particles dispersed in a film-forming binder and a transparent e...
09/24/1996
5543273Radiation-sensitive photographic plates and improved method for manufacture thereof
Radiation-sensitive photographic plates are prepared by laminating to a rigid transparent plate support a photographic element comprised of a flexible photographic film support having a radiation-sensitive silver halide emulsion layer on one side thereof ...
08/06/1996
5543277Photographic 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 comprises at least ...
08/06/1996
5534397Electron beam recording film with low visual and ultraviolet density
An imaging element for use in an electron-beam-recording process is comprised of a film support having, in order, on one side thereof a conductive layer comprising vanadium pentoxide, an adhesion-promoting hydrophilic colloid layer and an imaging layer. T...
07/09/1996
5532119High-speed direct-positive photographic elements utilizing core-shell emulsions
Direct-positive photographic elements are comprised of a support and a silver halide emulsion layer containing core-shell silver halide grains comprising a chemically sensitized core and a chemically sensitized shell, wherein at least one of the core and ...
07/02/1996
5518867Electron beam recording process utilizing an electron beam recording film with low visual and ultraviolet density
An electron-beam-recording process comprises the steps of (1) providing an electron-beam-recording element, (2) introducing the element into a vacuum chamber, (3) imagewise exposing the element within the vacuum chamber to an electron beam and (4) process...
05/21/1996
5516458Coating composition used to prepare an electrically-conductive layer formed by a glow discharge process containing tin carboxylate, antimony alkoxide and film-forming binder
Imaging elements, such as photographic, electrostatographic and thermal imaging elements, are comprised of a support, an image-forming layer and an electrically-conductive layer produced bycoating a layer comprised of a metallo-organic compound and a film...
05/14/1996
5514535Stabilized vinyl sulfone hardening compositions useful in photographic manufacturing
Hydrophilic colloids, such as gelatin, which are employed in the manufacture of photographic elements are commonly treated with a hardening composition, among the most useful of which are hardening compositions containing vinyl sulfone hardening agents su...
05/07/1996
5512415High contrast photographic silver halide material
A high-contrast photographic element, adapted for use in the field of graphic arts, includes a hydrazide nucleator and an amine booster and comprises a silver halide emulsion layer which is capable of forming a latent image under conditions of use and a s...
04/30/1996
5510236Spectrally sensitized photothermographic elements
Improved photothermographic elements are spectrally sensitized with cyanine dyes that provide efficient sensitization together with excellent keeping stability and low dye stain. The photothermographic elements comprise a photosensitive silver halide, an ...
04/23/1996
5508162Photothermographic elements containing a combination of spectral sensitizers
Improved photothermographic elements are spectrally sensitized with a combination of cyanine dyes that provides efficient sensitization together with excellent keeping stability and low dye stain. The photothermographic elements comprise a photosensitive ...
04/16/1996
5508135Imaging element comprising an electrically-conductive layer exhibiting improved adhesive characteristics
Imaging elements, such as photographic, electrostatographic and thermal imaging elements, are comprised of a support, an image-forming layer and an electrically-conductive layer comprising electrically-conductive metal-containing particles dispersed in a ...
04/16/1996
5494652Method for preparing particles of metal oxide (tin oxide)
A fine metal oxide powder is prepared by a method comprising the steps of (1) preparing a hydroxide precursor of a metal oxide, (2) mixing the precursor with an inorganic compound having a melting point lower than the crystallization temperature of the me...
02/27/1996
5491046Method of imaging a lithographic printing plate
A lithographic printing plate that has an imaging layer that comprises an admixture of (1) a resole resin, (2) a novolac resin, (3) a latent Bronsted acid and (4) an infrared absorber; that is sensitive to both ultraviolet and infrared radiation; and that...
02/13/1996
5484694Imaging element comprising an electrically-conductive layer containing antimony-doped tin oxide particles
Imaging elements, such as photographic, electrostatographic and thermal imaging elements, are comprised of a support, an image-forming layer and an electrically-conductive layer comprising a dispersion in a film-forming binder of very small particles of a...
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
5466559Aqueous developer for lithographic printing plates which exhibits reduced sludge formation
Aqueous alkaline developing compositions useful in the development of negative-working lithographic printing plates are comprised of an organic solvent, an anionic surface active agent, an alkali metal tetraborate, an aliphatic monocarboxylic acid, an ali...
11/14/1995
5466567Imaging element comprising an electrically-conductive layer containing conductive fine particles, a film-forming hydrophilic colloid and pre-crosslinked gelatin particles
Imaging elements, such as photographic, electrostatographic and thermal imaging elements, are comprised of a support, an image-forming layer and an electrically-conductive layer comprising a film-forming hydrophilic colloid having dispersed therein both e...
11/14/1995
5466557Radiation-sensitive composition containing a resole resin, a novolac resin, a latent bronsted acid, an infrared absorber and terephthalaldehyde and use thereof in lithographic printing plates
A radiation-sensitive composition especially adapted to prepare a lithographic printing plate that is sensitive to both ultraviolet and infrared radiation and capable of functioning in either a positive-working or negative-working manner is comprised of (...
11/14/1995
5457011Photographic developing composition containing a sludge inhibiting agent and use thereof in the high contrast development of nucleated photographic elements
An improved photographic developing composition, for use in development of a black-and-white silver halide photographic element, is comprised of at least one developing agent and, in an amount sufficient to inhibit sludge deposition, a polyoxyalkylated ph...
10/10/1995
5457013Imaging element comprising a transparent magnetic layer and an electrically-conductive layer containing particles of a metal antimonate
Imaging elements, such as photographic, electrostatographic and thermal imaging elements, are comprised of a support, an image-forming layer, a transparent magnetic layer comprising magnetic particles dispersed in a film-forming binder and an electrically...
10/10/1995
5447234Recyclable/reusable containers for packaging graphical sheet materials
Photographic film, paper, etc. in sheet form is packaged in recyclable containers or cases for reuse by returning to suppliers for filling. Containers obviate disposal problems and high costs associated with customary two-part set-up box and interior padd...
09/05/1995
5422234Thermally processable imaging element including an adhesive interlayer comprising a polymer having epoxy functionality
Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating include an adhesive interlayer interposed between the imaging layer and a protective overcoat layer. The...
06/06/1995
5418120Thermally processable imaging element including an adhesive interlayer comprising a polyalkoxysilane
Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating include an adhesive interlayer interposed between the imaging layer and a protective overcoat layer. The...
05/23/1995
5412075Control of methionine content in photographic grade gelatin
The method for preparing high grade gelatin with a specific methionine content and with reduced methionine variability from batch to batch and within a single extraction includes controlling the amount of and variability of oxidant present during processi...
05/02/1995
5411856Carbamyl-substituted bis(vinylsulfonyl) methane hardeners
Novel compounds represented by formula (I) ##STR1## wherein R1 and R2 represent hydrogen or alkyl, R3 represents hydrogen, alkyl, substituted alkyl or CONR1 R2, and n is 0 to 6, can be used to ha...
05/02/1995
5393649Thermally processable imaging element including an adhesive interlayer comprising a polymer having pyrrolidone functionality
Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating include an adhesive interlayer interposed between the imaging layer and a protective overcoat layer. The...
02/28/1995
5385819Preparation of thin tabular grain silver halide emulsions using synthetic polymeric peptizers
A process for preparing a thin tabular grain silver halide emulsion comprised of silver halide grains which have a halide content of at least 50 mole percent bromide, wherein tabular grains of less than 0.15 micrometers in thickness and having an aspect r...
01/31/1995
5380623Aqueous developer for lithographic printing plates which provides improved oleophilicity
Aqueous alkaline developing compositions useful in the development of negative-working lithographic printing plates are comprised of an organic solvent, an anionic surface active agent, an alkali metal tetraborate, an aliphatic monocarboxylic acid, an ali...
01/10/1995
5380584Imaging element for use in electrostatography
An electroconductive imaging element, that is especially useful in a high speed laser printing process utilizing electrostatography, is comprised of an insulating support, an electrically-conductive layer overlying the support and a thermoplastic dielectr...
01/10/1995
5380642Process for preparing a thin tabular grain silver halide emulsion
A process for preparing a thin tabular grain silver halide emulsion comprised of silver halide grains which have a halide content of at least 50 mole percent bromide, wherein tabular grains of less than 0.15 micrometers in thickness and having an aspect r...
01/10/1995
5376518Photographic element provided with a backing layer and method for manufacture thereof
A photographic element that is useful as an imaging master in the field of graphic arts is comprised of a dimensionally-stable polyester film having a radiation-sensitive silver halide emulsion layer on one side thereof and having on the opposite side, in...
12/27/1994
5374497Donor element for use in a dry color proofing process
A print-out layer is incorporated in a donor element that is useful in a dry color proofing process in which a colored image is transferred from the donor element to a receiver. To achieve full color reproduction, images are transferred in succession and ...
12/20/1994
5372907Radiation-sensitive composition containing a resole resin and a novolac resin and use thereof in lithographic printing plates
A radiation-sensitive composition especially adapted to prepare a lithographic printing plate that is sensitive to both ultraviolet and infrared radiation and capable of functioning in either a positive-working or negative-working manner is comprised of (...
12/13/1994
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