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| Number | Title | Issue Date |
| 7439302 | Low refractive index polymers as underlayers for silicon-containing photoresists A new underlayer composition that exhibits high etch resistance and improved optical properties is disclosed. The underlayer composition comprises a vinyl or acrylate polymer, such as a methacrylate polymer, the polymer comprising at least one substituted or unsubst... | 10/21/2008 |
| 7368484 | Reverse thermal gels as support for rapid prototyping The present invention relates to novel polymeric compositions that exhibit Reverse Thermal Gelation (RTG) properties for use as Support Materials (SM) in the manufacture of three-dimensional objects. These polymers are Temperature Sensitive Polymers that respond wit... | 05/06/2008 |
| 7332477 | Photocleavable DNA transfer agent The present invention provides visible light sensitive and ultraviolet (UV) light sensitive composition for DNA transfer comprising acid sensitive polyacetals developed as DNA/RNA delivery agents, a photoacid generator and optionally a photosensitizer. ... | 02/19/2008 |
| 7297374 | Single- and multi-photon polymerizable pre-ceramic polymeric compositions A single- or multi-photon reactive composition comprises a liquid polysilazane precursor, a multifunctional acrylate additive, and a single- or multi-photon photocuring composition. The invention can be used to provide ceramic-based microstructures as, for example, ... | 11/20/2007 |
| 7265176 | Composition comprising nanoparticle TiO2 and ethylene copolymer Disclosed is a composition comprising or produced from nanoparticle-sized TiO2, an ethylene copolymer or ionomer of the ethylene copolymer, and optionally a second polymer. Also disclosed are films and other shaped articles produced therefrom. The composi... | 09/04/2007 |
| 7235593 | Command-cure adhesives Reactive adhesive compositions that can be activated with actinic radiation, manipulated for an extended time and then cured thermally are disclosed. The prepolymer mixture for the reactive adhesive contains a catalyst component and a monomer/oligomer component. The... | 06/26/2007 |
| 7169825 | Dual cure reaction products of self-photoinitiating multifunctional acrylates with thiols and synthetic methods Self-photoinitiating liquid oligomeric compositions are disclosed. The oligomeric compositions are formed from multifunctional mercaptans and Michael addition polyacrylate resins, synthesized from multifunctional acrylates and β-dicarbonyl Michael donors, specifica... | 01/30/2007 |
| 7163970 | Actinic ray curable ink and printed matter utilizing the same Actinic ray curable inks is disclosed. The ink contains at least one kind of epoxidized fatty acid ester or epoxidized fatty acid glyceride, as well as by further containing an oxetane compound, a cation polymerization initiator and a colorant. ... | 01/16/2007 |
| 7122247 | Radiation-curable composition with simultaneous color formation during cure A radiation-curable fiber optic coating composition for an inner primary coating includes a coloring agent, preferably a dye or a dye precursor, compatible with the fiber of the fiber optic and capable of imparting a pre-selected color to the inner primary coating, ... | 10/17/2006 |
| 6984262 | Adhesion enhancing coating composition, process for using and articles produced Described is a coating composition adapted to enhance the adhesion of a polymeric coating or film applied to a substrate. The coating composition is interposed between the substrate and the polymeric coating and comprises (a) at least one coupling agent, partial hyd... | 01/10/2006 |
| 6863701 | Accelerators for cationic photopolymerizations Compositions that can be photopolymerized by a cationic initiator at an accelerated rate include at least one epoxy monomer, at least one cationic photoinitiator, and a photosensitizer/accelerator. The accelerator is a phenolic resole, or a compound having a structu... | 03/08/2005 |
| 6864295 | Gas-generating, pressure-sensitive adhesive composition Disclosed is a gas-generating, pressure-sensitive adhesive composition comprising a pressure-sensitive, ultraviolet irradiation-curable adhesive (A) containing a photoinitiator, wherein the adhesive (A) transmits therethrough an ultraviolet radiation, and a gas gene... | 03/08/2005 |
| 6787281 | Selected acid generating agents and their use in processes for imaging radiation-sensitive elements An acid generating agent useful for imaging photosensitive elements selected from compounds of formulae (I), (II) and (III). wherein R1 is selected from the group consisting of an unsubstituted and substituted... | 09/07/2004 |
| 6696506 | Cationic photocatalyst composition and photocurable composition A cationic photocatalyst composition and a photocurable composition utilizing cationic polymerization are provided which can present sufficient open time and adhesion. The cationic photocatalyst composition contains a photosensitive onium salt and a compo... | 02/24/2004 |
| 6630242 | Radiation-curable composition with simultaneous color formation during cure A radiation-curable fiber optic coating composition for an inner primary coating includes a coloring agent, preferably a dye or a dye precursor, compatible with the fiber of the fiber optic and capable of imparting a pre-selected color to the inner primar... | 10/07/2003 |
| 6620864 | Epoxy compounds for use in dental medicine and/or dentistry A composition suitable for use in dental medicine and/or dentistry polymerizable by cationic polymerization consists of one or more epoxy compounds, a plasticizer, a catalyst for hardening by ring opening, a catalyst for hardening by light and an accelera... | 09/16/2003 |
| 6559197 | Optical fiber coating The invention disclosed includes a coating composition for siliceous surfaces. The coating includes at least one component from the group consisting of poly(alkoxy)silane, poly(halo)silane, alkoxysilane, halosilane, and mixtures thereof and a catalyst com... | 05/06/2003 |
| 6537718 | Positive photoresist composition for exposure to far ultraviolet ray A positive photoresist composition for exposure to a far ultraviolet ray which comprises (A) a compound which generates an acid upon irradiation with an actinic ray or radiation, (B) a resin which contains a repeating unit corresponding to hydroxystyrene ... | 03/25/2003 |
| 6528229 | Positive photoresist composition Provided is a positive photoresist composition which comprises (A) a resin which contains a repeating unit represented by formula (I) shown below and a repeating unit represented by formula (II) shown below and whose solubility in an alkaline developing s... | 03/04/2003 |
| 6417243 | Monomers, oligomers and polymers comprising terminal oxirane groups, their process of preparation and their cationic polymerization under irradiation In order to offer coatings with improved resistance to solvents which can be prepared by cationic polymerization under irradiation, the choice is made of a composition comprising at least one monomer, oligomer or polymer of general formula (I): ##STR... | 07/09/2002 |
| 6342333 | Photosensitive resin composition, patterning method, and electronic components A photosensitive resin composition comprising an aromatic polyimide precursor, wherein a 10 μm thick layer of precursor has light transmittance at a wavelength of 365 nm of at least 1% and a 10 μm thick polyimide film made from the resin composition by ... | 01/29/2002 |
| 6308001 | Radiation curable fluorinated vinyl ethers derived from hexafluoropropene Vinyl ether compounds having the formula: R--O--X--O--CH.dbd.CH2 wherein R is a radical having the formula: R1 --CFH--CF2 -- or R1 --CF.dbd.CF--, wherein R1 is an unsubstituted or substituted aliphatic rad... | 10/23/2001 |
| 6168898 | Positive acting photodielectric composition A positive acting, photoimageable composition having, a photoacid generator capable of generating an acid upon exposure to actinic radiation, an organic acid anhydride polymer, an epoxy, a nitrogen-containing curing catalyst, and an optional phenol-contai... | 01/02/2001 |
| 6150430 | Process for adhering a photochromic coating to a polymeric substrate Described is a process for producing an adherent organic polymeric layer on organic polymeric substrates following the steps of (a) treating the surface of the polymeric substrate to provide reactive groups; (b) applying to the treated surface a polymeriz... | 11/21/2000 |
| 6129955 | Encapsulating a solder joint with a photo cured epoxy resin or cyanate An electronic package assembly where a low profile integrated circuit chip package is soldered to an organic (e.g., epoxy resin) substrate, e.g., a printed circuit board or card, the projecting conductive leads of the integrated circuit chip package and t... | 10/10/2000 |
| 6121339 | Cationically polymerizable epoxy resins and optical information recording medium made therefrom An epoxy resin composition according to the present invention is one initiating cationic polymerization upon irradiation with energy rays. The epoxy resin composition is formed of at least bisphenol epoxy resin (A) as an active ingredient, epoxy resin (B)... | 09/19/2000 |
| 6063896 | Copolymer for photoresist A copolymer of maleimide derivative and acrylic acid, represented by Formula I, is of high etch resistance and thermal resistance and can be used for photoresist in submicrolithography. ##STR1##... | 05/16/2000 |
| 6025017 | Photopolymerizable coating formulation for thermal transfer media A coating formulation suitable for use in preparing thermal transfer ribbons is provided which is curable by UV radiation or visible light. The coating formulation forms thermal transfer layers that produce printed images when used in a thermal transfer p... | 02/15/2000 |
| 6008268 | Photoreactor composition, method of generating a reactive species, and applications therefor A method of generating reactive species which includes exposing a photoreactor composition to radiation, in which the photoreactor composition comprises a wavelength-specific sensitizer associated with one or more reactive species-generating photoinitiato... | 12/28/1999 |
| 6008265 | Fluorinated ionic sulfonylimides and sulfonylmethylides, process of preparing same and use thereof as photoinitiators An ionic compound comprising at least one group A+ X-, comprising: a cationic group A+ selected from the group consisting of biaryliodonium, arylsulfonium, arylacylsulfonium, diazonium and organometallic cations comprising... | 12/28/1999 |
| 5910553 | Preparation of rubber-modified molding materials by means of groups which are incorporated in the rubber and form free radicals on thermal decomposition In the preparation of a rubber-modified molding material, in a first stage, a first mixture (A) contains at least one alkyl acrylate or methacrylate (a) of the formula (I) ##STR1## where R1 is hydrogen or methyl and R2 is alkyl ... | 06/08/1999 |
| 5902838 | Process for the assembly of glass devices subjected to high temperatures, compositions therefor and novel polymers for rheological control of such compositions Cationically curable adhesives and sealants with increased viscosities and improved rheological control and good storage stability are prepared using a cationically curable monomer and a thickening polymer which is the alkylation reaction product of poly(... | 05/11/1999 |
| 5882842 | Active energy ray-curable resin composition An active energy ray-curable resin composition, particularly an active energy ray-curable coating composition, both comprising: (A) a resin having oxetane functional groups and epoxy groups in the molecule, and (B) a photo-induced cationic polymerization initi... | 03/16/1999 |
| 5879852 | Positive-working radiation-sensitive mixture The invention relates to a positive-working radiation-sensitive mixture containing a) a polymeric binder having acid-labile groups and b) a compound which forms a strong acid on irradiation, in which the binder simultaneously contains units of the formula... | 03/09/1999 |
| 5874197 | Thermal assisted photosensitive composition and method thereof A photosensitive thick film composition comprising an admixture of: (a) finely divided electrically conductive or dielectric particles, dispersed in; (b) an organic medium, comprising: (1) at least one acrylic monomer, (2) a photoinitiation system, (3) a ... | 02/23/1999 |
| 5776995 | Photosensitive resin composition and photosensitive resin laminated film containing the same A photosensitive resin composition comprising the following components (A), (B) and (C): (A) a photopolymerizable urethane (meth)acrylate compound containing at least two acryloyl or methacryloyl groups, (B) an alkali-soluble polymer compound having an ac... | 07/07/1998 |
| 5747172 | Ultraviolet and electron beam curable propenyl-ether silicone release compositions Silicone release agents comprising propenyl-ether functionalized silicones exhibit a rapid cationic induce photo-cure. Such propenyl-ether functionalized silicones are synthesized by the hydrosilation of various -allyloxy-ω-(1-propenoxy) alkanes w... | 05/05/1998 |
| 5698361 | Photosensitive composition The present invention relates to a negative-working photosensitive composition comprising a diazonium compound and a polymer binder, said polymer binder being: (1) an AB type, ABA type or BAB type block copolymer of: (i) a block (A) having a unit having the fo... | 12/16/1997 |
| 5665792 | Stabilizers for use with photoacid precursor formulations The present invention discloses stabilizers for formulations containing photoacid precursors and cationically polymerizable materials. The stabilizers have a limited solubility in the formulations and are in solubility equilibrium in the formulation. The ... | 09/09/1997 |
| 5658965 | Radiation curable silicone release coating composition The present invention relates to a radiation curable silicone release coating composition comprising an alicyclic epoxy-functional silicone graft copolymer and a photocuring catalyst. The release coatings of this invention upon curing by exposure to UV li... | 08/19/1997 |
