Abstract: A method and system for cooling a device (preferably a micro-device), comprising cooling the device by using a lower critical solution temperature (LCST) mixture. Enhancement of heat transfer rates is achieved during phase separation of a two-component system (two-component mixture) with a LCST. Convective heat transfer rates in small diameter pipes and over a vertical (hot) plate are demonstrated.

Abstract: A scraping sealing device for cleaning the stems and the bristles of liquid or pasty cosmetic product applicators, comprising a substantially cylindrical body of flexible material, crossed by an axial hole, to be applied to the neck of a container; the body showing a terminal section having a substantially truncated conical layout, wherein the outer wall of the terminal section, which reaches the applicator, forms with the device axis an angle different from 90 degrees, the device wall tapering in the terminal section until null thickness at the the edge is encountered. The device makes an exhaustive cleaning of the stem when the latter is extracted from the bottle. It completely removes the exceeding contents present on the bristles and when the applicator is again inserted into the bottle, the device makes an efficacious hydraulic seal around the stem body, that avoids the product from drying.

Abstract: It is herein described a scraping sealing device for the cleaning of the stems and the bristles of liquid or pasty cosmetic product applicators, comprising a substantially cylindrical body of flexible material, crossed by an axial hole, to be applied to the neck of a container; the said body showing a terminal section having a substantially truncated conical layout, wherein the outer wall of the said terminal section, which reaches the applicator, forms with the device axis an angle different from 90 degrees, the device wall tapering in the said terminal section until to have a null thickness in correspondence with the edge.

Abstract: A multilayer silver halide color photographic element comprises a support having coated thereon a silver antihalation layer, an interlayer, at least two red-sensitive silver halide emulsion layers, at least two green-sensitive silver halide emulsion layers a yellow filter layer, and at least two blue-sensitive silver halide emulsion layers, wherein a silver halide emulsion layer or a nonsensitive layer adjacent thereto comprises a bleach accelerator releasing coupler of formulaA-(TIME).sub.n -S-X-Rwherein A represents a coupler residue releasing from (TIME).sub.n -S-X-R upon reaction with the oxidation product of a color developing agent; TIME represents a timing group releasing S-X-R with delay under developing conditions; n represents 0 or 1; X represents a divalent linking groups consisting of an alkylene group containing 1 to 8 carbon atoms; and R represents a group selected in the group consisting of a), b) and c): ##STR1## wherein R.sub.

Abstract: Cyanine dyes including two nitrogen containing heterocyclic nuclei, linked to each other through a rigidized conjugated 7, 9 or 11 carbon atom methine chain to form an amidinium-ion resonance system, are very good for sensitizing silver halide emulsions for use in photographic elements to be exposed to infrared radiation if one of said heterocyclic nuclei is 5-methyl-6-methoxy-benzothiazole.

Abstract: Organic electron donor compounds for use in electrophotographic constructions must ordinarily be sensitized to desired regions of the electromagnetic spectrum. Imidazo[4,5-b] quinoxaline cyanine dyes having phenylsulfonyl or benzoyl substituents have been found to be efficient sensitizers for such organic donor compounds.

Abstract: Organic electron donor compounds for use in electrophotographic constructions must ordinarily be sensitized to desired regions of the electromagnetic spectrum. Indolenine dyes having phenylsulfonyl or benzoyl substituents thereon have been found to be efficient sensitizers, particularly in the infrared portion of the electromagnetic spectrum, for such organic donor compounds.

Abstract: It is desirable to protect color photographic dye images from ultraviolet radiation which tends to cause dyes to fade.It has been the practice in the art to add materials into or above the silver halide emulsions which will absorb ultraviolet radiation but allow transmission of visible radiation.One of the best classes of compounds are the 2-(2'-hydroxyphenyl)-benzotriazoles. These materials absorb ultraviolet radiation well, but tend to have poor solubility, crystallize out of the coating solution and emulsion, and diffuse through the photographic element.A novel class of substituted 2-(2'-hydroxyphenyl)-benzotriazoles has been found to reduce many of these problems.

Abstract: The present invention refers to a photographic material including in one of its layers a polymeric product having an aminoallylidenemalononitrile ultraviolet absorber unit which can be introduced into a photographic layer by aqueous solutions, with the method according to this invention, of including said aminoallylidenemalononitrile unit in an allyl monomer and then copolymerizing it with an ethylenically unsaturated monomer in order to obtain said polymeric product to be added to the layer forming composition. This invention is of particular industrial interest in the field of color photographic materials.

Abstract: Hexahydro-4,6-diimino-1,3-pyrimidine-2-thiones having a phenyl group substituent in the 1-position have been found to be antifoggants for silver halide photographic emulsions.

Abstract: New cyanine dyes derived from di-halogen-benzoxazoles and benzothiazoles are desensitizers for silver halide negative emulsions and useful electron acceptor spectral sensitizers for direct positive silver halide emulsions.

Abstract: Quaternated merocyanine dyes for spectrally sensitizing direct positive silver halide emulsions having a first heterocyclic nucleus selected from the group consisting of a 2-isoxazolin-3-furyl-5-one, a 2-isoxazolin-3-thienyl-5-one, a 2-isoxazolin-3-pyrryl-5-one, a 2-pyrazolin-3-furyl-5-one, a 2-pyrazolin-3-thienyl-5-one and a 2-pyrazolin-3-pyrryl-5-one nucleus, linked at the 4-carbon atom thereof through a methine chain to a second heterocyclic nucleus for completing the said quaternated merocyanine dye.

Abstract: New cyanine dyes, comprising at least one of the following nuclei (or derivatives thereof):1. 2,3,3-trimethyl-5-phenyl-sulfonyl-indolenine;2. 2,3,3-trimethyl-5-benzoyl-indolenine;3. 1-aryl or alkyl-2-phenyl-5-phenyl-sulfonyl-indole;4. 1-aryl or alkyl-2-phenyl-5-benzoyl-indole,Are desensitizers for silver halide negative emulsions and useful electron acceptor spectral sensitizers for direct positive silver halide emulsions.

Abstract: Magenta couplers of the 5-pyrazolone type which have a phenylcarbamylamino substituent in the 3-position of the pyrazolone nucleus and which have, as a substituent in the 1-position of the pyrazolone nucleus, a 2', 4'-dihalo-6'-alkoxyphenyl group or a 2', 6'-dihalo-4'-alkoxyphenyl group.