Eastman-kodak Company

Other

Sterling Drug Inc.

Johnson & Johnson Clinical Diagnostics, Inc.

John F Bishop

David A Czekai

Wayne A Bowman

Dennis E Smith

Mary Christine Brick

Michael J Simons

Robert O James

Jin-Shan Wang

John M Noonan

Gary G Liversidge

Michael W Orem

Paul E Woodgate

James R Bennett

Diane E Kestner

Kenneth C Cundy

Gregory J McClune

William J Hutchinson

Linda A Mauck

Karen E Maskasky

Elizabeth F Bishop

Thomas O Braun

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:

Water-resistant ink jet ink

An air supported play structure that may be configured into a large variety of forms and shapes. An expanse of air-permeable fabric is weighted around its edges, and the fabric is supported above a surface by a stream of air supplied by a fan. A plurality of connectors are attached to the fabric, and those connectors are arranged to allow any one connector to be secured to another connector. The geometric configuration of the play structure is altered by changing the position of the edge weights, and by selecting the connectors to be secured one to another.

Childrens play structure

A method of transferring a pigmented image, comprising the steps of:

Heat transferring inkjet ink images

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) introducing the mixture of step (B) into a high speed mill; (D) milling the mixture from step (C) until a pigment particle size distribution is obtained wherein 90% by weight of the pigment particles have a size less than 100 nanometers (nm); (E) separating the milling media from the mixture milled in step (D); and (F) diluting the mixture from step (E) to obtain an ink jet ink having a pigment concentration suitable for ink jet printers.

Ink jet inks containing nanoparticles of organic pigments

An immunoassay element comprising at least one layer containing a leuco dye coating composition comprising:

Immunoassay elements having stable leuco dye coatings

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 contamination resulting from conventional milling media of, for example, glass, ceramic or steel.

Milling a compound useful in imaging elements using polymeric milling

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 particles. The present invention provides an ultrasonic probe that periodically cleans the screen when the pressure within the milling chamber reaches a predetermined value.

Method and apparatus for eliminating screen plugging in wet grinding

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 particles whose melting points are above 100.degree. C.

Apparatus for preparing aqueous amorphous particle dispersions of

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 dispersions containing the particles. Pharmaceutical compositions containing the particles exhibit unexpected bioavailability and are useful in methods of treating mammals.

Surface modified drug nanoparticles

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 dispersions. The invention is generally accomplished by mechanically grinding a crystalline material to a desired particle size in a liquid that is not a solvent for the material, heating said crystalline particles dispersed in said liquid to above their melting temperature, and cooling the melted particles in said liquid to form amorphous particles. In preferred forms of the invention, the material is a photographically useful material, such as ultraviolet light absorber or coupler.

Stability improvement of amorphous particle dispersions

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 about 10,000:1 to about 100:1. The dye-providing composition can be included with a peroxidase substrate in a diagnostic test kit. A method for the determination of a ligand can be carried out using a peroxidase labeled-receptor for the ligand and the dye-providing composition described above. The method is particularly useful for the determination of human chorionic gonadotropin (hCG).

Dye-providing composition, diagnostic test kit and their use in method

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 form a transparent magnetic recording layer for use in photographic films. The dispersion provides magnetic recording layers exhibiting fewer particle agglomerations and reduced light scattering and photographic prints prepared from films containing such magnetic layers exhibit virtually no increase in graininess attributable to the magnetic recording layer.

Magnetic dispersion

High molecular weight polymeric poly(ethylene oxide) compounds are employed as stripping agents for separating layers of photographic products.

Poly(ethylene oxide) stripping agents for photographic products

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, the wet reflecting layer is sufficiently transparent to permit transmission viewing of the image through the transparent support. After stripping, the reflecting layer dries to provide a reflective surface for viewing the image from the opposite direction.

Reflecting layer for image transfer prints

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 of which contains a surfactant-like material having a hydrocarbon fatty tail of at least eight carbon atoms which is remote from a polar group, the material being present in an amount sufficient to enable a clean separation between the image-receiving layer and the portion of the assemblage containing the silver halide emulsion layer. Transparencies or prints which are less bulky and free from surface defects at the stripping layer interface can thereby be obtained from integral assemblages.

Growing community of inventors

Rochester, NY, United States of America

John F Bishop