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| Number | Title | Issue Date |
| 7381516 | Multiphoton photosensitization system A photoreactive composition comprises (a) at least one reactive species that is capable of undergoing an acid- or radical-initiated chemical reaction; and (b) a photoinitiator system comprising photochemically-effective amounts of (1) at least one type of semiconduc... | 06/03/2008 |
| 7314699 | Radiation-sensitive mixture and recording material produced therewith The present invention relates to a radiation-sensitive mixture which contains an acrylate or methacrylate monomer and/or oligomer capable of free radical polymerization and having at least two acrylate and/or methacrylate groups and at least one photooxidizable grou... | 01/01/2008 |
| 7118845 | Multiphoton photochemical process and articles preparable thereby A process for fabricating of an article by exposing a photoreactive composition to light under multiphoton absorption conditions. The light passes through an optical system having a final optical element having a numeric aperture in a range of from 0.65 to 1.25, inc... | 10/10/2006 |
| 6942955 | Lithographic printing plate precursor A lithographic printing plate precursor is disclosed, which comprises an image-forming layer which contains a hydrophilic resin, an acid precursor and at least one component selected from fine particles containing a compound having a vinyloxy group and microcapsules... | 09/13/2005 |
| 6864040 | Thermal initiator system using leuco dyes and polyhalogene compounds The present invention relates to IR-sensitive compositions containing an initator system comprising: (a) at least one compound capable of absorbing IR radiation selected from triarylamine dyes, thiazolium dyes, indolium dyes, oxazo... | 03/08/2005 |
| 6861201 | Near IR sensitive photoimageable/photopolymerizable compositions, media, and associated processes Novel photopolymer compositions are disclosed which contain dyes that absorb strongly in the near infrared (near IR) region of the electromagnetic spectrum. These dyes are useful as photosensitizers for initiating a variety of photoimaging and photopolymerization re... | 03/01/2005 |
| 6749995 | Light sensitive composition, light sensitive planographic printing plate recursor, and image formation method Disclosed is a light sensitive composition containing a compound represented by the following formula (1): wherein R1, R2 and R3 independently represent a hydrogen atom, a substituted or ... | 06/15/2004 |
| 6737216 | Laser engravable flexographic printing element and a method for forming a printing plate from the element Flexographic printing plate is made from a laser engravable flexographic printing element which includes on a support at least one laser engravable reinforced elastomeric layer of an elastomeric composition comprising an elastomeric binder, at least one monomer, a p... | 05/18/2004 |
| 6709804 | Printed wiring board and semiconductor device and processes to prepare the same A printed wiring board, a substrate for disposing semiconductor chips and a semiconductor device prepared by coating a substrate with a photosensitive resin composition comprising an oxygen sensitizer and a cis-diene-substituted polyamic acid or polyimide and formin... | 03/23/2004 |
| 6664025 | Visible radiation sensitive composition A visible radiation sensitive composition is disclosed. The composition comprises at least one ethylenically unsaturated monomer capable of free radical initiated addition polymerization; optionally, at least one binder; and a photoinitiator system compri... | 12/16/2003 |
| 6528231 | PHOTOSENSITIVE RESIN COMPOSITION, PRINTED WIRING BOARD, SUBSTRATE FOR DISPOSING SEMICONDUCTOR CHIPS, SEMICONDUCTOR DEVICE AND PROCESSES FOR PRODUCING A PRINTED WIRING BOARD, A SUBSTRATE FOR DISPOSING SEMICONDUCTOR CHIPS AND A SEMICONDUCTOR DEVICE A photosensitive resin composition comprising an oxygen sensitizer and a cis-diene-substituted polyamic acid or a polyimide. A printed wiring board, a substrate for disposing semiconductor chips and a semiconductor device prepared by coating a substrate w... | 03/04/2003 |
| 6306553 | Photosensitive composition and method of forming a pattern using the same A photosensitive composition comprising: an acid-decomposable compound having at least one substituent which is decomposed by an acid, forming a product which reacts with alkali solution and forms --COO- or --SO3- ; and a ... | 10/23/2001 |
| 6280905 | Photosensitive resin composition A photosensitive resin composition which comprises (1) a particulate copolymer comprising 10-99.8% by mole of the unit of (i) an aliphatic conjugated diene monomer, 0.1-30% by mole of the unit of (ii) a monomer having one polymerizable unsaturated group a... | 08/28/2001 |
| 6251558 | Chemically amplified resist A chemically amplified resist contains the following components: a polymer with carboxylic acid anhydride groups and tert-butylester, tert-butoxycarbonyloxy, tetrahydrofuranyl, or tetrahydropyranyl groups; a photoreactive compound which, when exposed or electron-ir... | 06/26/2001 |
| 6171759 | Photocurable composition A photocurable composition containing at least a radical polymerizable unsaturated group-bearing compound, a metal allene compound, a squalilium dye, and N,N-dimethylaniline. The photocurable composition is polymerized and cured by generation of radicals ... | 01/09/2001 |
| 6162931 | Fluorinated xanthene derivatives The family of dyes of the invention are fluoresceins and rhodols that are directly substituted on one or more aromatic carbons by fluorine. These fluorine-substituted fluorescent dyes possess greater photostability and have lower sensitivity to pH changes... | 12/19/2000 |
| 6136498 | Polymer-bound sensitizer A photoresist composition for use in lithographic processes in the fabrication of semiconductor devices such as integrated circuit structures is disclosed. The photoresist composition includes a monomeric sensitizer bounding to a base-soluble long chain p... | 10/24/2000 |
| 6110646 | Positive photosensitive composition, photosensitive lithographic printing plate and method for forming a positive image A positive photosensitive composition comprising an alkali-soluble organic high molecular substance having phenolic hydroxyl groups and an acid color forming dye.... | 08/29/2000 |
| 6096479 | Photosensitive lithographic form plate using an image-forming material A photosensitive lithographic form plate that can be directly prepared by using digital signals from a computer or the like by using an infrared laser or the like (i.e., a photosensitive lithographic form plate that can be directly prepared), through usin... | 08/01/2000 |
| 6017660 | Inks containing a ternary photoinitiator system and image graphics prepared using same Photocurable addition-polymerizable compositions containing a free-radically-polymerizable monomer and a photoinitiator system containing i) an arylidonium salt, ii) a sensitizing compound, and iii) an electron donor having an oxidation potential that is ... | 01/25/2000 |
| 6013415 | Radiation sensitive composition A radiation sensitive composition comprising (A) a colorant, (B) an alkali-soluble resin, (C) a polyfunctional monomer and (D) a photopolymerization initiator. The alkali-soluble resin (B) is a copolymer of (1) a monomer represented by the following formu... | 01/11/2000 |
| 6010824 | Photosensitive resin composition containing a triazine compound and a pre-sensitized plate using the same, and photosensitive resin composition containing acridine and triazine compounds and a color filter and a pre-sensitized plate using the same A photosensitive resin composition comprising a polymeric binder, an ethylenically unsaturated monomer and a photopolymerization initiator is disclosed. Also, a PS plate using the same is disclosed. The photopolymerization initiator comprises at least one... | 01/04/2000 |
| 6007965 | Photopolymerizable compositions including squarylium compounds The present invention relates to photopolymerizable compositions comprising an addition-polymerizable compound which has at least one ethylenically unsaturated double bond; a radical-producing agent and a squarylium compound represented by the formula (I)... | 12/28/1999 |
| 5976735 | Photopolymerisable composition There is described a lithographic plate which comprises a base coated with a photopolymerisable composition which comprises a polymeric binder, at least one free-radically polymerisable ethylenically unsaturated compound and as the photoinitiator combinat... | 11/02/1999 |
| 5972562 | Visible radiation-curable solder resist compositions, and method for forming solder resist patterns A visible radiation-curable solder resist composition which comprises a resin component, a component for promoting photo-polymerization or -crosslinking, and optionally a diluent and any other additives, the resion componebt comprising a novolak resin ske... | 10/26/1999 |
| 5932393 | Borate photoinitiators from monoboranes The invention relates to photopolymerizable compositions comprising as photoinitiator a borate of the formula I or I' ##STR1## in which R1, R2 and R3 are, for example and independently of one another, phenyl or anothe... | 08/03/1999 |
| 5900346 | Compositions comprising photoactivator, acid, generator and chain extender The present invention relates to novel compositions that contain an activator system that comprises a photoactivator, acid generator and chain extender. Methods and articles of manufacture that comprise such compositions are also provided. In a preferred ... | 05/04/1999 |
| 5858617 | Photopolymerizable composition and presensitized planographic printing plate employing the same A photopolymerizable composition and a presensitized planographic printing plate employing the same are disclosed which comprise a compound having an ethylenically unsaturated bond and a dye represented by the following formula (1) or (2): ##STR1##... | 01/12/1999 |
| 5834157 | 2-acylamino-9-arylacridines, process for their preparation and photosensitive mixtures containing them Compounds of the formula ##STR1## are suitable as photoinitiators in free-radical-polymerizable mixtures and are notable for a reduced tendency to diffusion and sublimation than comparable known compounds.... | 11/10/1998 |
| 5783353 | Self-contained imaging assembly A sealed self-contained photohardenable imaging assembly comprising: a first transparent polymeric film support; a second polymeric film support which may be opaque or transparent; an imaging layer disposed between said first transparent support and said second sup... | 07/21/1998 |
| 5770345 | Photoresist having increased sensitivity and use thereof The sensitivity of a photoresist to actinic light is improved by the addition of certain dyes. The photoresist includes a polymer matrix, a photosensitive acid generator and at least one compound selected from the group consisting of dyes containing at le... | 06/23/1998 |
| 5756258 | Photopolymerizable composition containing an addition polymerizable compound, a radical-producing agent and a squarylium compound The present invention relates to photopolymerizable compositions comprising an addition-polymerizable compound which has at least one ethylenically unsaturated double bond; a radical-producing agent and a squarylium compound represented by the formula (I)... | 05/26/1998 |
| 5753412 | Photoresist having increased sensitivity and use thereof The sensitivity of a photoresist to actinic light is improved by the addition of certain dyes. The photoresist includes a polymer matrix, a photosensitive acid generator and at least one compound selected from the group consisting of dyes containing at le... | 05/19/1998 |
| 5744280 | Storage-stable photoimageable deutero leuco dye/photooxidation compositions with improved leuco dye Storage-stable photoimageable leuco dye/photooxidant compositions and imaging processes utilizing these compositions are disclosed. These compositions comprise deuterated leuco compounds, e.g., deuterated aminotriarylmethanes, wherein the extent of deuter... | 04/28/1998 |
| 5707781 | Photopolymerizable compositions having acyl or diacyl phosphine oxide and a fluorescent optical brightner The present invention relates a photopolymerizable composition which comprises: A) one or more ethylenically unsaturated, free-radical polymerizable monomers; B) one or more organic binders; and C) one or more photoinitiators, wherein the photoinitiator is an ... | 01/13/1998 |
| 5686220 | Photo-curing composition and photosensitive capsule A photo-curing composition including an image forming material, an ethylenically unsaturated monomer which is curable by polymerization thereof, a polymerization initiator which initiates the polymerization of the monomer, and two or more photosensitizers... | 11/11/1997 |
| 5660968 | Negative working, peel developeable, single sheet color proofing system with improved background color In the present invention, one produces a negative-acting color proofing element comprising, sequentially: a strippable cover sheet which is transparent to actinic radiation; a crosslinked layer containing a polymer having phenolic groups; a color layer, c... | 08/26/1997 |
| 5593812 | Photoresist having increased sensitivity and use thereof The sensitivity of a photoresist to actinic light is improved by the addition of certain dyes. The photoresist includes a polymer matrix, a photosensitive acid generator and at least one compound selected from the group consisting of dyes containing at le... | 01/14/1997 |
| 5545676 | Ternary photoinitiator system for addition polymerization Photocurable addition-polymerizable compositions containing a free-radically-polymerizable monomer and a photoinitiator system containing i) an arylidonium salt, ii) a sensitizing compound, and iii) an electron donor having an oxidation potential that is ... | 08/13/1996 |
| 5447797 | Reaction resin mixture comprising epoxy resin, benzylthiolanium salt and sensitizer A reaction resin mixture, which is able to be hardened thermally and by means of UV radiation, contains the following constituents: a cationically polymerizable epoxide resin; a latent hardening initiator in the form of an aralkyl-thiolanium salt; and a sensitizer ... | 09/05/1995 |
