| Patent Number |
Title Of Patent |
Date Issued |
| 6051628 |
Water-resistant ink jet ink |
April 18, 2000 |
| A water-resistant ink jet ink composition comprising from about 0.5% to about 5% by weight of a pigment, a carrier, and from about 0.1% to about 2% by weight of a photo-crosslinkable polymeric dispersant having the following formula:wherein:A represents repeating units of an ethylenicall |
| 5698018 |
Heat transferring inkjet ink images |
December 16, 1997 |
| A method of transferring a pigmented image, comprising the steps of:providing a donor element bearing an inkjet printed image containing one or more heat transferable pigments selected from the group consisting ofA. 2-(N-methylcarbamyl)-4-(4-N,N-di-ethylamino-phenylimino)-1,4-naphthoquinon |
| 5679138 |
Ink jet inks containing nanoparticles of organic pigments |
October 21, 1997 |
| A process for making ink jet inks, comprising the steps of:(A) providing an organic pigment dispersion containing a pigment, a carrier for the pigment and a dispersant;(B) mixing the pigment dispersion with rigid milling media having an average particle size less than 100 .mu.m;(C) introduci |
| 5496702 |
Immunoassay elements having stable leuco dye coatings |
March 5, 1996 |
| An immunoassay element comprising at least one layer containing a leuco dye coating composition comprising: |
| 5478705 |
Milling a compound useful in imaging elements using polymeric milling media |
December 26, 1995 |
| 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 resulting particles are free from the |
| 5474237 |
Method and apparatus for eliminating screen plugging in wet grinding mills |
December 12, 1995 |
| The present invention provides method and apparatus to continuously operate a bead mill. At the outlet of the bead mill is a separator screen which prevents particles of a certain size from being discharged. After running the bead mill, the screen tends to get clogged with large sized pa |
| 5411715 |
Apparatus for preparing aqueous amorphous particle dispersions of high-melting microcrystalline |
May 2, 1995 |
| An apparatus for producing amorphous particle dispersions of high-melting microcrystalline solids in a continuous process. The apparatus comprises a pump, two heat exchangers, a back-pressure valve and conduits connecting them, whereby it is possible to make aqueous dispersions of partic |
| 5145684 |
Surface modified drug nanoparticles |
September 8, 1992 |
| Dispersible particles consisting essentially of a crystalline drug substance having a surface modifier adsorbed on the surface thereof in an amount sufficient to maintain an effective average particle size of less than about 400 nm, methods for the preparation of such particles and d |
| 5110717 |
Stability improvement of amorphous particle dispersions |
May 5, 1992 |
| An object of the invention is to overcome disadvantages of prior practices. A further object of the invention is to provide a process for providing particles that result in improved UV absorption in photographic products.An additional object is to provide lower cost polymer particle dispersi |
| 5024935 |
Dye-providing composition, diagnostic test kit and their use in method for ligand determination |
June 18, 1991 |
| A dye-providing composition comprises a water-soluble or -dispersible polymer, such as a vinylpyrrolidone polymer, and an imidazole leuco dye capable of providing a dye in the presence of hydrogen peroxide and a peroxidative substance. The weight ratio of polymer to leuco dye is from |
| 4990276 |
Magnetic dispersion |
February 5, 1991 |
| A dispersion consisting essentially of magnetic particles, a dialkylester of phthalic acid which functions as a dispersing medium, and optionally, a dispersing agent is particularly useful as a precursor to a composition suitable for casting onto a cellulose acid ester support film to fo |
| 4695526 |
Poly(ethylene oxide) stripping agents for photographic products |
September 22, 1987 |
| High molecular weight polymeric poly(ethylene oxide) compounds are employed as stripping agents for separating layers of photographic products. |
| 4606992 |
Reflecting layer for image transfer prints |
August 19, 1986 |
| Photographic assemblages are described wherein a stripping layer is employed to enable an image-receiving layer to be separated from the rest of the assemblage after processing. A reflecting layer is employed between the image-receiving layer and a transparent support. During processing, |
| 4529683 |
Surfactant-like material in a hydrophilic layer adjacent a stripping layer for diffusion transfe |
July 16, 1985 |
| Photographic assemblages and processes are described wherein a stripping layer is employed to enable an image-receiving layer to be separated from the rest of the assemblage after processing. Each side of the stripping layer has a hydrophilic layer immediately adjacent thereto, only one |
| 4499174 |
Hydrophilic layers adjacent a stripping layer for diffusion transfer assemblages |
February 12, 1985 |
| Photographic assemblages and processes are described wherein a stripping layer is employed to enable an image-receiving layer to be separated from the rest of the assemblage after processing. Each side of the stripping layer has a hydrophilic layer immediately adjacent thereto, only one |
| 4459346 |
Perfluorinated stripping agents for diffusion transfer assemblages |
July 10, 1984 |
| Photographic assemblages and processes are described wherein a certain stripping agent is employed to enable an image-receiving layer to be separated from the rest of the assemblage after processing. The stripping agent comprises a straight chain alkyl or polyethylene oxide perfluoro |
| 4389479 |
Neutralizing layer for color transfer assemblages |
June 21, 1983 |
| Photographic assemblages, elements, receiving elements and cover sheets are described employing a novel neutralizing layer comprising a cross-linked polymer having recurring units of an N-(alkoxy-methyl)acrylamide, an acrylic acid and an alkyl acrylic ester. The need for a separate c |
| 4346160 |
Two-sheet diffusion transfer elements |
August 24, 1982 |
| Two-sheet diffusion transfer assemblages, photographic elements and dye image-receiving elements are described wherein an overcoat layer is present on the photographic element or the dye image-receiving element superposed thereon. The overcoat layer comprises either silica or an ionic |
| 4298682 |
Photographic element having overcoating of ionic polyester in hydrophilic colloid |
November 3, 1981 |
| Two-sheet diffusion transfer assemblages, photographic elements and dye image-receiving elements are described wherein an overcoat layer is present on the photographic element or the dye image-receiving element superposed thereon. The overcoat layer comprises either silica or an ionic |
| 4297432 |
Two-sheet diffusion transfer assemblages and photographic elements |
October 27, 1981 |
| Photographic elements, two-sheet diffusion transfer assemblages containing such elements, and dye image-receiving elements are described. The photographic element comprises a support, a neutralizing layer, a timing layer, a vinylidene chloride polymeric layer, a polymeric primer layer, |
| 4296195 |
Two-sheet diffusion transfer assemblages and photographic elements |
October 20, 1981 |
| Two-sheet diffusion transfer assemblages and photographic elements are described which contain a primer layer located between a polymeric acid layer and a timing layer. The primer layer prevents unwanted transfer of portions of the emulsion layer to the receiver when the receiver and |
