Abstract: A method for producing a pressure-sensitive dry transfer sheet. A release coating is applied to a base sheet and a pigmented ink is applied over the release coating. A photoresist is applied over the pigmented ink and selected portions of the photoresist are exposed to light. Portions of the photoresist and the pigmented ink that are not to be part of the transfer image are removed, and a pressure sensitive adhesive coating is applied.

Abstract: This invention relates to a screen printable, opaque legend ink composition curable on exposure to radiation, e.g., UV radiation in the presence of a photoinitiator or high energy ionizing radiation comprising(a) 15 to 40% by weight of an allyl terminated polyene which is the reaction product of an epoxide and an unsaturated amine,(b) 5 to 25% by weight of a cocurable allyl terminated polyene having a molecular weight of less than 500 selected from the group consisting of diallyl phthalate, triallyl isocyanurate, diallyl adipate, diallyl azelate, diallyl sebacate, diallyl itaconate, diallyl maleate, diallyl chlorendate, diallyl malate and triallyl cyanurate,(c) 15 to 45% by weight of a polythiol having a molecular weight in the range from about 94 to 20,000 of the general formula: R.sub.8 --(SH).sub.n wherein R.sub.8 is a polyvalent organic moiety free from reactive carbon-to-carbon unsaturation and n is at least 2 and(d) a pigment member of the group consisting of 0.5 to 25% by weight of zinc sulfide and 0.

Abstract: A photosensitive composition is prepared comprising a diazonium compound and a polymer containing at least 50% by weight of the recurring unit represented by the following general formula (I): ##STR1## wherein R.sub.1 represents hydrogen atom or methyl group, R.sub.2 represents hydrogen atom or a methyl, ethyl or chloromethyl group and n is an integer of 1 to 10.

Abstract: Process for preparation of positive images which comprises exposing imagewise a supported layer of a photosensitive composition comprising an alkali-soluble polymeric binder, at least one dihydropyridine compound and at least one hexaarylbiimidazole compound and developing by washing out the exposed image areas. Optionally auxiliary layers can be present between the support and photosensitive layer. The photosensitive elements are useful in preparing positive working printing plates and photoresists.

Abstract: A stabilized photosensitive composition comprising a leuco dye, a photooxidizing agent, and further a 2,4-dihydroxybenzaldoxime which is suitable for use in lithography, photoresists, etc., for obtaining visible contrast between the exposed and unexposed areas.

Abstract: Photopolymerized elements having addition polymerized and unpolymerized image areas comprise a support bearing a layer having hydrophilic or oleophilic polymerized image areas and unpolymerized areas of opposite character, at least one of the image areas having absorbed therein a dye of like character. The dye absorbed photopolymerized elements are prepared after imagewise exposure by leaching out ethylenically unsaturated compound in the unexposed areas and absorbing a dye of like character and solvent carrier for the dye into at least one of the image areas. The dye and carrier mixture are capable of swelling the image areas wherein the dye is absorbed. The absorbed dye is not capable of being transferred from the element. Positive and negative working color copies are produced useful in overlay or projection applications.

Abstract: The properties of a dichromated hydrophilic colloid photosensitive composition are improved by the incorporation of certain copolymer latices. More particularly, the copolymer particles in the latex conform to the structure:--A).sub. (B --.phi.-awherein A is a polymerized monomer or monomers having the structure: ##STR1## and B is a polymerized monomer or monomers having the structure: ##STR2## wherein each R.sup.1 is independently hydrogen or methyl;R.sup.2 is phenyl, substituted phenyl or a straight- or branched-chain alkoxycarbonyl group of about 2-8 carbon atoms;R.sup.3 is --NR.sup.4 R.sup.5 or --OR.sup.6 wherein R.sup.4 and R.sup.5 are independently selected from hydrogen, alkyl of about 1-8 carbon atoms including substituted alkyl, and alkyl containing hetero atoms in the alkyl chain, and R.sup.6 is hydroxyalkyl of about 1-8 carbon atoms; anda represents a weight percent of about 75-95.

Abstract: An imaged development process and materials wherein use is made of a photographic medium sensitive to ultraviolet radiations and formulated of an alkyl cellulose derivative and 7,7,8,8-tetracyanoquinodimethane.

Abstract: A photosensitive resin composition comprising:(a) a photopolymerizable or photocrosslinkable ethylenically unsaturated compound;(b) a compound of the formula (I): ##STR1## wherein X.sub.1, X.sub.2 and X.sub.3 may be the same or different and each represents a hydrogen atom, a chlorine atom or a bromine atom and at least one of X.sub.1, X.sub.2 and X.sub.3 representing a chlorine atom or a bromine atom; Y represents a --CX.sub.1 X.sub.2 X.sub.3 group where X.sub.1, X.sub.2 and X.sub.3 are as defined above, --NH.sub.2, --NHR', --NR'.sub.2, --SR', --OR' or --R' wherein R' is an alkyl group or an aryl group; R is an alkyl group, an aryl group or an alkenyl group, and may be substituted;(c) a compound of the formula (II): ##STR2## where Z represents the non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring; R.sub.1 is an alkyl group or a substituted alkyl group; R.sub.2 is an alkyl group, an aryl group or a substituted aryl group; and(d) a dye precursor.

Abstract: An imaging system wherein a migration-type imaging member comprising a softenable layer containing agglomerable migration marking material is provided, and the member is exposed to an image pattern of electromagnetic radiation of sufficient energy to cause a simultaneous imagewise migration at least in depth in the softenable layer and agglomeration of the agglomerable migration marking material in the imagewise exposed areas of the imaging member. In another embodiment, a microscopically discontinuous layer of imaging material on a stable substrate is agglomeration or evaporation imaged by the inventive system.

Abstract: This invention relates to a process for forming photo-polymerized images in light sensitive layers containing an activated component, a light sensitive resin and a colorable or decolorable component. Upon exposure to activating radiation the colored component is decolored or the decolorable component is colored and the energy involved is transferred to the light sensitive resin for polymerization.

Abstract: This invention relates to a radiation-sensitive copying composition which comprises (a) a compound which forms an acid under the influence of actinic radiation, and (b) an organic polymeric compound which contains recurrent acetal or ketal groupings in its main chain and whose solubility in a liquid developer is increased by the action of an acid, each .alpha.-carbon atom of the alcoholic constituent of the acetal or ketal grouping of the organic polymeric compound being aliphatic. The invention also relates to a process for the production of relief images using a radiation-sensitive copying composition.

Abstract: The present invention relates to a photopolymerizable mixture comprising a compound with at least two terminal ethylenically-unsaturated groups, a boiling point above 100.degree. C. and which is capable of addition polymerization, a polymeric binder, a photoinitiator, and a monoazo dye corresponding to Formula I: ##STR1## R.sub.2 and R.sub.3 are alkyl or alkenyl groups which may be substituted, and R.sub.4 and R.sub.5 are hydrogen or halogen atoms, or alkyl or alkoxy groups.

Abstract: An imaging system wherein a migration-type imaging member comprising a softenable layer containing agglomerable migration marking material is provided, and the member is exposed to an image pattern of electromagnetic radiation of sufficient energy to cause a simultaneous imagewise migration at least in depth in the softenable layer and agglomeration of the agglomerable migration marking material in the imagewise exposed areas of the imaging member. In another embodiment, a microscopically discontinuous layer of imaging material in a stable substrate is agglomeration or evaporation imaged by the inventive system.

Abstract: An improved color filter array comprises a transparent heat-transfer dye-receiving layer containing an array of filter elements wherein the dye-receiving layer is a certain polyester wherein at least 30 mole percent of the recurring units contain a saturated gem-bivalent radical having a saturated polycyclic three-dimensional structure that includes a saturated bicyclic atomic bridge hydrocarbon ring member. The improved dye-receiving layers provide filter elements with excellent edge sharpness. The improved color filter arrays are useful in color imaging devices, such as solid-state video cameras.

Abstract: A photoreactive coating composition, particularly suited for use in a lithographic plate, is characterized by both reduced exposure time requirements and an intense visual image which is immediately produced upon exposure of the composition to light permitting visual inspection during imaging. The photoreactive composition has a diazo resin layer and an overlayer which includes a photochromic compound (e.g. an indolinobenzospiropyran compound) and a light sensitive polymer selected from the group cinnamoylated and acrylated photopolymer resins.

Abstract: Toner particles of an intimate mixture of 25 to 75% by weight of substantially colorless, inert, nonelectroscopic spheroidal-shape polymer particles of size distribution in the range of greater than 5 to less than 60 .mu.m, not more than 15% of the polymer particles being less than 10 .mu.m or greater than 50 .mu.m equivalent spherical diameter, and 75 to 25% by weight of colorant particles having a size distribution within the range of 0.2 to 30 .mu.m and not more than 50% of the colorant particles being less than 1 .mu.m particle size. Ionic copolymer spheroidal particles are preferred. The toner particles are useful for color development of tacky areas by depositing and distributing the toner particles by means of a pad, including an applicator apparatus comprising a housing for toner, a free moving weight in the housing for agitating the toner, means to release toner from the housing, and at least two hinged pads mounted on the housing.

Abstract: A dry-process imaging film which is sensitive to, and substantially simultaneously imaged and developed by, electromagnetic radiation above a threshold value applied thereto through an imaging mask. The film, in its preferred form, comprises a thin solid continuous, non-particulate film of a dispersion imaging material provided with a thin, flexible, protective overlayer of a polymeric resin. The film of dispersion imaging material is carried or supported on a flexible plastic substrate which may be transparent or light reflective.

Abstract: Photocrosslinkable, organic solvent-soluble polymers having a Tg greater than 200.degree. C. are disclosed. The polymers contain sufficient radiation-sensitive crosslinkable units to render the polymers insoluble in organic solvents on exposure to radiation to which the crosslinkable units are sensitive. Also disclosed are supports, particularly supports having a radiation-sensitive surface, having thereon a layer of the described photocrosslinkable polymers. The polymers are capable of receiving heat-transferable dyes and are useful in forming color filter arrays for solid-state imaging devices. A particularly convenient method of forming solid-state color imaging devices having a layer containing an array of color filters is also disclosed.

Abstract: Positive working non-silver wash-out system based on 1,4-dihydro-4-(5'-nitro-2'-furyl)-pyridines. Such systems are useful in preparing positive working printing plates and photoresists.

Abstract: Light-sensitive vesicular imaging materials, suitable for the production of colored labels, etc., comprise a light-sensitive vesicular imaging layer applied to one surface of a transparent self-supporting plastics sheet or film such as a linear polyester, e.g. polyethylene terephthalate film, said light-sensitive vesicular imaging layer comprising a polymeric vehicle having uniformly dispersed therein a sensitizing agent which releases a vesicle-forming gas, preferably nitrogen, upon exposure to light and optionally including a pigment or dye, said polymeric vehicle comprising a thermoplastic polymer having a nitrogen permeability constant in the range 1.times.10.sup.-15 to 1.times.10.sup.