Carboxylic Acid Or Derivative Patents (Class 522/144)
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Patent number: 6765037Abstract: A free radical-curable epoxy composition comprises epoxy resin and a copolymerizable material including a monomer having amide, acrylamide, or hydroxyl functionality, and is advantageously devoid of any cationic catalyst ingredient.Type: GrantFiled: November 28, 2001Date of Patent: July 20, 2004Assignee: Dymax CorporationInventor: John R. Arnold
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Patent number: 6620857Abstract: By means of a curing process combining thermal and UV curing it is possible, using compositions comprising (A) a coating system based on a polyacrylate polyol or polyester polyol with melamine, or a polyacrylate polyol and/or polyester polyol with a blocked or unblocked polyisocyanate, or a carboxyl-, anhydride- or amino-functional polyester and/or polyacrylate with an epoxy-functional polyester or polyacrylate, (B) an OH—, NH2—, COOH—, epoxy- or NCO-functional resin containing, in addition, at least one ethylenically unsaturated double bond, which is separated from the functional group by a spacer group, and (C) at least one photoinitiator, to obtain coatings having good surface properties.Type: GrantFiled: May 3, 2001Date of Patent: September 16, 2003Assignee: Ciba Specialty Chemicals CorporationInventor: Andreas Valet
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Patent number: 6617371Abstract: A single component liquid heat-curable adhesive formulation that is stable at room temperature. The formulation includes from about 5 to about 70 wt % of at least one acrylate monomer, from about 5 to about 94 wt % of an acrylate oligomer, and from about 0.1 to about 10 wt % of a thermal initiator selected from the group consisting of diacyl peroxides, benzoyl peroxides and peroxy esters. A photo initiator may be included thereby rendering the stable liquid formulation to be both heat-curable and UV-curable.Type: GrantFiled: June 8, 2001Date of Patent: September 9, 2003Assignee: Addison Clear Wave, LLCInventor: Chau Thi Minh Ha
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Patent number: 6596818Abstract: Disclosed is a radiation-crosslinkable thermoplastic polymer composition, a process for the preparation thereof, an angioplasty balloon made using such a composition, and a method of using the angioplasty balloon. The composition contains a reactive monomer cross-linker, that facilitates cross-linking of the reaction product upon contact of the cross-linker-containing composition with a particle beam from a radiation source.Type: GrantFiled: October 8, 1997Date of Patent: July 22, 2003Inventor: Alan M. Zamore
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Patent number: 6593391Abstract: A curable resin composition comprises a poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and exhibits excellent toughness after curing. Useful articles prepared from the composition include grinding wheels and cut-off wheels having good wear characteristics.Type: GrantFiled: March 27, 2001Date of Patent: July 15, 2003Assignee: General Electric CompanyInventors: Erich Otto Teutsch, Gary William Yeager, Kenneth Paul Zarnoch, Steven William Webb, Hua Guo
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Patent number: 6579661Abstract: A photopolymerizable composition for the preparation of flexographic printing forms for corrugated board direct printing comprising a radial (polystyrene-polybutadiene)nX block copolymer, with X=Sn or Si and n=2 or 4, with an average molecular weight (Mw) of 80,000-300,000, a molecular weight distribution (Mw/Mn) of 1.00-1.40, a content of di- block copolymers of less than 15% by weight, which is extended with up to 50% by weight of a paraffinic oil.Type: GrantFiled: January 20, 1998Date of Patent: June 17, 2003Assignee: E. I. du Pont de Nemours and CompanyInventors: Ursula Kraska, Reimund Simon
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Patent number: 6500877Abstract: The present invention discloses an ultraviolet light curable paint composition and method for applying and making such a composition to a substrate. Suitable substrates include glass, metals, and various plastics such as polycarbonates. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the coating or are released to ambient after curing.Type: GrantFiled: September 25, 2000Date of Patent: December 31, 2002Assignee: Krohn Industries, Inc.Inventor: Roy C. Krohn
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Patent number: 6472451Abstract: A UV-curable acrylate base adhesive composition for digital versatile discs and other substrates, a method for bonding verstile digital disc layers together with a UV-curable adhesive, and a digital versatile disc bonded by a UV-curable or a radiation curable adhesive. The adhesive comprises acrylate functional components, non-acrylate reactive diluents (e.g. having acrylamide, or N-vinyl functionality) and thiol compounds.Type: GrantFiled: August 24, 1999Date of Patent: October 29, 2002Assignee: DSM N.V.Inventors: Chau Thi Minh Ha, Vadim V Krongauz, Rajni Jaria, Michael G. Sullivan
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Patent number: 6426034Abstract: A liquid, radiation-curable coating suitable for coating thermoplastic substrates is described. The coating composition can be formulated to achieve very low gloss at both high and low angles of incidence, and is suitable for application to moldable thermoplastic sheet, and in particular is suitable for application to thermoplastic olefin moldable sheet. Such coatings are useful in protecting thermoplastic substrates and achieving a low-gloss surface in a wide variety of applications including automotive interior parts, furniture, and artificial leather articles.Type: GrantFiled: October 31, 2000Date of Patent: July 30, 2002Assignee: Lilly Industries, Inc.Inventors: Jerry McComas, Peter Clark
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Patent number: 6417273Abstract: A monomer composition which provides a plastic optical material having high refractive index and Abbe number, a low specific gravity and excellent physical properties, such as dyeing properties, heat resistance, impact resistance and the like. The composition comprises a di(meth)acrylate compound, divinylbenzene and/or divinylbiphenyl, a crosslinking-type isocyanate compound, a polythiol compound having two or more thiol groups, and a thiourethane bonding accelerating compound. The plastic optical material obtained by the reaction of the above composition with a radical polymerization initiator is used as a material for a lens.Type: GrantFiled: January 23, 2001Date of Patent: July 9, 2002Assignee: NOF CorporationInventors: Yasumi Koinuma, Katsuyoshi Tanaka
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Publication number: 20020032251Abstract: A UV-curable acrylate base adhesive composition for digital versatile discs and other substrates, a method for bonding verstile digital disc layers together with a UV-curable adhesive, and a digital versatile disc bonded by a UV-curable or a radiation curable adhesive. The adhesive comprises acrylate functional components, non-acrylate reactive diluents (e.g. having acrylamide, or N-vinyl functionality) and thiol compounds.Type: ApplicationFiled: August 24, 1999Publication date: March 14, 2002Inventors: CHAU THI MINH HA, VADIM V. KRONGAUZ, RAJNI JARIA, MICHAEL G. SULLIVAN
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Patent number: 6316516Abstract: The present invention relates to a composition for coating optical fibers which contains an oligomer capable of being polymerized, a monomer suitable to control the viscosity of the composition, and an adhesion promoter which includes a compound containing a cyclic structure interposed between at least two reactive silanes which are independently an alkoxysilane or a halosilane. Another composition of the present invention includes an oligomer capable of being polymerized, a monomer suitable to control the viscosity of the composition, an adhesion promoter which includes a compound containing a reactive silane group, and a carrier. The present invention also relates to optical fibers and methods of making such optical fibers using the compositions of the present invention.Type: GrantFiled: April 29, 1999Date of Patent: November 13, 2001Assignee: Corning IncorporatedInventors: Ching Kee Chien, Edward J. Fewkes, Eric H. Urruti, Michael J. Winningham
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Patent number: 6316517Abstract: Radiation-polymerizable compositions are especially useful as or in a flush vehicle for making flushed pigments. The compositions contain at least one radiation-curable acrzylated resin component and a copolymerizable rheology modifier component.Type: GrantFiled: August 20, 1999Date of Patent: November 13, 2001Assignee: Cognis CorporationInventors: Miguel A. Dones, Ramesh L. Narayan
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Patent number: 6306923Abstract: These compositions comprise at least one compound (A) and at least one compound (B) containing electron enriched or depleted olefinic double bonds, respectively.Type: GrantFiled: September 12, 1997Date of Patent: October 23, 2001Assignee: Sartomer Company, Inc.Inventors: Phillippe Thepot, Henri Strub
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Patent number: 6291543Abstract: A surfacially ultraviolet radiation-crosslinked article formed of a homogeneous composition including an elastoplastic material, a cross-linker component that is cross-linkable by free-radical polymerization, and a free-radical source material generating free radicals in exposure to ultraviolet radiation, wherein the elastoplastic material is surfacially cross-linked by exposure to ultraviolet radiation, wherein the sub-surface bulk volume of the article is non-cross-linked, and the article is resiliently deformable from and resiliently recoverable to a shape of the article when it was exposed to ultraviolet radiation for surfacial cross-linking thereof. The article is particularly amenable to embodiment as a catheter, or other similar medical device for cardiovascular or other medical procedures.Type: GrantFiled: May 24, 2000Date of Patent: September 18, 2001Assignee: Polyzen, Inc.Inventor: Tilak M. Shah
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Publication number: 20010003759Abstract: A photo curable resin composition, which comprises (A) an acid-modified, vinyl group-containing epoxy resin, (B) an elastormer, (C) a photopolymerization initiator, (D) a diluent and (E) a curing agent, can gives a high performance cured film having distinguished heat resistance, humidity-heat resistance, adhesibility, mechanical characteristics and electrical characteristics, and a photosensitive element, which comprises a support and a layer of the photo curable resin composition laid on the support, has distinguished heat resistance, humidity-heat resistance, adhesibility, mechanical characteristics and electrical characteristics.Type: ApplicationFiled: November 24, 1998Publication date: June 14, 2001Inventors: KUNIAKI SATO, HIROAKI HIRAKURA, TOSHIHIKO ITO, TAKAO HIRAYAMA, TOSHIZUMI YOSHINO
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Patent number: 6235397Abstract: A printing sheet having a high gloss and an enhanced ink-setting property has an outermost surface coating layer formed on a substrate sheet from an electron beam-cured resin produced from at least one electron beam-curable unsaturated organic compound selected from (A) unsaturated reaction products obtained by first reacting a long chain alkylene (C15 or more) diol compound having a number average molecular weight of 300 to 10,000, with an aromatic, cycloaliphatic or aliphatic polyisocyanate compound and secondly reacting the first reaction product with a (meth)acrylate of a hydroxyl compound.Type: GrantFiled: April 22, 1999Date of Patent: May 22, 2001Assignee: Oji Paper Co., Ltd.Inventors: Yasufumi Nakayama, Masahiro Kamiya, Shinichi Nagasaki
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Patent number: 6187835Abstract: Radiation-curable inner and outer primary optical fiber coatings are disclosed having both fast cure speed and reduced rates of yellowing. The compositions comprise particular photoinitiators and UV absorbers which are used in amounts to provide the combination of properties. The UV absorber can have ethylenic unsaturation. Outer primary coatings can be formulated to screen inner primary coatings and have fast cure speed.Type: GrantFiled: June 18, 1998Date of Patent: February 13, 2001Assignee: DSM N.V.Inventors: David M. Szum, Chander P. Chawla, Timothy E. Bishop
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Patent number: 6165563Abstract: This invention relates to star-branched polymers containing pendent olefinic groups which have been crosslinked using actinic radiation and the use of these polymers in adhesives and coating applications.Type: GrantFiled: November 12, 1998Date of Patent: December 26, 2000Assignee: National Starch and Chemical Investment Holding CorporationInventors: Rama S. Chandran, Smita M. Shah, Paul B. Foreman
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Patent number: 6087412Abstract: The invention relates to crosslinked polymers, which are polymerisation products of a polymerisable mixture that comprises the following components:a) a macromer of formula C ##STR1## wherein Macro is an m-valent radical of a macromer from which the number m of groups Rx.sub.x --H has been removed,each R.sub.x, independently of the others, is a bond, --O--, --NR.sub.N -- or --S-- wherein R.sub.N is hydrogen or lower alkyl,PI* is a bivalent radical of a photoinitiator,R.sub.aa is the moiety of a photoinitiator that forms the less reactive free radical on cleavage of the photoinitiator, andm is an integer from 1 to 100,b) a copolymerisable vinyl monomer andc) a copolymerisable crosslinker.The polymers are suitable especially for the production of mouldings, such as for contact lenses.Type: GrantFiled: September 12, 1997Date of Patent: July 11, 2000Assignee: Novartis AGInventors: Peter Chabrecek, Dieter Lohmann, Kurt Dietliker
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Patent number: 5998096Abstract: A process for producing a polymer or a crosslinked article having a region in which the polymerization rate or crosslinking rate is varied is disclosed, comprising irradiating a photopolymerizable substance or photo-crosslinkable substance with laser light having an uneven distribution of intensity. The process is suitable for mass production of polymerization rate- or crosslinking rate-distributed articles. An arbitrary distribution pattern can be designed and formed under good control, and distribution regions having a fine shape can be formed with excellent precision. A plurality of distribution regions having a regular shape can be formed at a high density with high precision.Type: GrantFiled: July 1, 1997Date of Patent: December 7, 1999Assignee: Nitto Denko CorporationInventors: Seiji Umemoto, Yasuo Fujimura, Kazutaka Hara, Suguru Yamamoto
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Patent number: 5993960Abstract: A printing sheet having a high gloss and an enhanced ink-setting property has an outermost surface coating layer formed on a substrate sheet from an electron beam-cured resin produced from at least one electron beam-curable unsaturated organic compound having a dimer acid structure derived from unsaturated higher fatty acid.Type: GrantFiled: October 31, 1997Date of Patent: November 30, 1999Assignee: New Oji Paper Co., Ltd.Inventors: Yasufumi Nakayama, Masahiro Kamiya, Shinichi Nagasaki, Yoshihide Kawano, Toshifumi Fujii
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Patent number: 5981615Abstract: A macromonomer of the formula I is described:Q--B(L--B).sub.n T (I)wherein n is zero or at least 1.0;Q is a polymerizable group;B may be the same or different and is a difunctional block of molecular weight in the range of from 100 to 8000 and wherein at least one B is a residue from a difunctional polymer or copolymer wherein B has a molecular weight of 248 to 8000 comprising silicone repeat units of formula II ##STR1## where R.sub.1 and R.sub.2 may be the same or different and are selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, haloalkyl, haloalkenyl, haloalkynyl, haloaryl, heterocyclyl and haloheterocyclyl;L is a difunctional linking group; andT is a terminal group.The macromonomer may be used preferably in the production of contact lenses.Type: GrantFiled: March 9, 1998Date of Patent: November 9, 1999Assignees: CIBA Vision Corporation, Commonwealth Scientific and Industrial Research OrgansationInventors: Gordon Francis Meijs, Bronwyn Glenice Laycock
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Patent number: 5889076Abstract: A composition that is useful in the preparation of radiation curable coatings is provided. The composition comprises the reaction product of an epoxy component and an acid component comprised of an ethylenically unsaturated carboxylic acid or reactive derivative thereof, reacted in the presence of, or post-reaction blended with, a polyamide based on a polymerized fatty acid. The polyamide preferably has a number average molecular weight of less than about 10,000 g/mole. Also provided is a polymerizable composition comprised of the composition comprised of the reaction product, the polyamide, and a reactive diluent. A method of coating a substrate is also provided which comprises applying to a substrate a composition comprised of the reaction product and the polyamide and exposing said composition to radiation to cure said composition.Type: GrantFiled: April 23, 1996Date of Patent: March 30, 1999Assignee: Henkel CorporationInventors: Miguel A. Dones, Theresa M. Miller
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Patent number: 5883150Abstract: A polysulfone composition is formed from a solution of a polysulfone and a free radical polymerizable monomer exposed to ultraviolet light to form a blend of the polysulfone and copolymers of activated polysulfone and polymerized monomer having polymer segments covalently bonded to each other. The blend is separated from solvent of the solution to form a solid comprising the blend throughout its bulk matrix.Type: GrantFiled: August 9, 1996Date of Patent: March 16, 1999Assignee: Millipore CorporationInventor: John Charkoudian
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Patent number: 5883149Abstract: A pressure sensitive adhesive that includes:(a) the polymerization product of:(i) 25-98 parts by weight of an acrylic acid ester of a monohydric alcohol whose homopolymer has a T.sub.g less than 0.degree. C.;(ii) 2-75 parts by weight of a non-polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of no greater than 10.50 and a T.sub.g greater than 15.degree. C.; and(iii) 0-5 parts by weight of a polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of greater than 10.50 and a T.sub.g greater than 15.degree. C.; and(b) at least one tackifier that is miscible in the polymerization product at room temperature.Type: GrantFiled: May 22, 1998Date of Patent: March 16, 1999Assignee: Minnesota Mining and Manufacturing CompanyInventors: Greggory S. Bennett, Christopher A. Haak, Craig A. Gustafson
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Patent number: 5849841Abstract: The invention relates to a novel process for the production of mouldings, in particular contact lenses, in which a water-soluble, crosslinkable polymer is crosslinked in solution, and to mouldings, in particular contact lenses, obtainable by this process. The present invention likewise relates to novel water-soluble, crosslinkable polymers, in particular those comprising units of formula (III or IIIa), in which R.sub.1 and R.sub.2, independently of one another, are hydrogen, a C.sub.1 -C.sub.8 alkyl group, an aryl group or a cyclohexyl group, where these groups can be monosubstituted or polysubstituted, R.sub.3 is hydrogen or a C.sub.1 -C.sub.4 alkyl group, and R.sub.Type: GrantFiled: July 30, 1997Date of Patent: December 15, 1998Assignee: CIBA Vision CorporationInventors: Andreas Muhlebach, Beat Muller
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Patent number: 5688632Abstract: This invention relates to a photosensitive polymer composition containing as essential components (A) a soluble polymer, (B) a photopolymerizable compound having an ethylenic double bond in the molecule there of and (C) a photopolymerization initiator, the soluble polymer comprising a water-soluble polymer and an alcohol-soluble polymer, the composition having a sea-and-islands structure comprising sea containing the water-soluble polymer as a main component and islands containing the alcohol-soluble polymer as a main component, and the islands are independently in the form of sphere or oval having a diameter of 0.1 to 20 microns.The photosensitive polymer composition affords a printing plate having high image reproducibility and water-developability and capable of withstanding the coating of an aqueous polymer according to a printing method.Type: GrantFiled: July 20, 1994Date of Patent: November 18, 1997Assignee: Toray Industries, Inc.Inventors: Shigetora Kashio, Katsutoshi Sasashita, Tomio Adachi
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Patent number: 5665791Abstract: Novel photosensitive polymer films are provided that include (1) a polymer carrier having .dbd.N--C(.dbd.O)-- groups; (2) an initiation system for photo polymerization; (3) polymerizable compounds; and (4) other chemicals as appropriate. The photosensitive polymer films demonstrate short pump times, short DRAW times, short fix times, and reduced noise levels equal to one-third to one-fifth the noise level of prior photosensitive polymer films.Type: GrantFiled: September 21, 1995Date of Patent: September 9, 1997Assignee: Tamarack Storage Devices, Inc.Inventors: Chung J. Lee, Jahja I. Trisnadi
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Patent number: 5663212Abstract: A light-sensitive resin composition which can be developed in an alkaline aqueous solution and has an excellent image-forming performance and a sufficient UV absorbance after an image formation is disclosed. The light-sensitive resin composition includes (1) a photopolymerization initiator or a photopolymerization initiator system, (2) an addition-polymerizable monomer having an ethylenically unsaturated double bond, (3) a high molecular binder which is soluble in an alkaline aqueous solution and insoluble in water, and (4) at least one of the compounds which substantially do not absorb light in a specified UV region and which, when subjected to treatment with an aqueous alkali solution and/or to heating, are capable of absorbing light in that region and have substantially no absorption in the visible region.Type: GrantFiled: February 4, 1994Date of Patent: September 2, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Yuichi Wakata, Morimasa Sato, Ken Iwakura, Yuuichi Fukushige
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Patent number: 5612391Abstract: Contact lenses formed from compounds of formula I: ##STR1## are disclosed. The compounds are photoinitiators which can be functionalized by means of ethylenic groups or can be bonded to H-active substances, in order, for example, to modify surfaces by means of photopolymerizable substances. The compounds are especially useful in the manufacture of contact lenses.Type: GrantFiled: June 6, 1995Date of Patent: March 18, 1997Assignee: Ciba Geigy CorporationInventors: Peter Chabrecek, Dieter Lohmann
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Patent number: 5569725Abstract: A class of unsaturated resins which are suitable for use in radiation curable coatings has been developed. The resins comprise N-vinyl-N-acyl oligomers made by reacting a secondary N-vinylamide with a polyisocyanate monomer which is reacted with at least one mono- or polyhydric alcohol to form a urethane linkage.Type: GrantFiled: October 14, 1994Date of Patent: October 29, 1996Assignee: Air Products and Chemicals, Inc.Inventors: W. Eamon Carroll, Walter L. Renz, Andrew F. Nordquist, Robert K. Pinschmidt, Jr.
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Patent number: 5512606Abstract: Photo-crosslinkable materials comprising a linear polyamide and a 2-substituted anthraquinone as photo-crosslinking agent, the 2-substituted anthraquinone preferably being 2-acrylamidooanthraquinone, 2-acryloxyanthraquinone or 2-benzoylaminoanthraquinone.Type: GrantFiled: August 16, 1994Date of Patent: April 30, 1996Inventors: Norman S. Allen, John P. Hurley
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Patent number: 5401784Abstract: The object of the present invention is a polymer material with reactive sites which is insoluble particularly in aqueous media, characterised in that it consists of a chemically inert polymer which is insoluble particularly in aqueous media and sufficiently reticulated to be usable in a defined configuration such as a membrane or tube configuration, and onto this polymer is grafted a monomer having at least one carboxyl group and/or a polymer of this monomer, all or part of the carboxyl groups of this insoluble and grafted reticulated polymer being converted into condensed groups which are more reactive than the corresponding carboxyl groups. It also relates to a method of preparing this material and to applications thereof.Type: GrantFiled: October 6, 1992Date of Patent: March 28, 1995Assignee: Acome, Societe Cooperative de TravailleursInventors: Beatrice M. J. Boillot, Rene E. Buvet
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Patent number: 5352712Abstract: Ultraviolet radiation-curable primary and secondary coating compositions for optical fibers are disclosed. The primary coatings comprise a hydrocarbon polyol-based reactively terminated aliphatic urethane oligomer; a hydrocarbon monomer terminated with at least one end group capable of reacting with the terminus of the oligomer; and an optional photoinitiator. The secondary coatings comprise a polyester and/or polyether-based aliphatic urethane reactively terminated oligomer; a hydrocarbonaceous viscosity-adjusting component capable of reacting with the reactive terminus of (I); and an optional photoinitiator. Also disclosed are optical fibers coated with the secondary coating alone or with the primary and secondary coatings of the invention.Type: GrantFiled: April 16, 1992Date of Patent: October 4, 1994Assignee: Borden, Inc.Inventor: Paul J. Shustack
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Patent number: 5326792Abstract: A photosensitive cover coating agent forming an insulating, protective coating having superior compatibility, sensitivity, heat resistance, adhesion, electrical properties and flexibility is provided,which coating agent is obtained by mixing a polymer (A) of repetition units of the formula ##STR1## wherein R.sup.1 is ##STR2## R.sup.2 is a divalent organic group, a compound (B) containing two or more (meth)acryloyl groups in one molecule,a compound (C) of the formula ##STR3## wherein Z is a divalent aliphatic or alicyclic group, R.sup.3 is H, monovalent organic group or characteristic group and R.sup.4 is H or --Z--R.sup.3, in 0.01 to 0.80 mol equivalent based on compound (B), the total quantity of (B) and (C) being 20 to 200 wt. parts per 100 wt. parts of (A), anda photopolymerization initiator or a sensitizing agent (D), in 0.5 to 20 wt. parts per 100 wt. parts of (A).Type: GrantFiled: November 23, 1992Date of Patent: July 5, 1994Assignee: Chisso CorporationInventors: Yoshinori Masaki, Kouichi Kunimune, Hirotoshi Maeda
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Patent number: 5153101Abstract: Photocurable and solvent-developable compositions based on photopolymerizable (meth)acrylates, a photoinitiator for (meth)acrylates, an organic polymeric binder which comprises free carboxyl groups and has an acid number of at least 60, a blocked polyisocyanate crosslinking agent which has a cleavage temperature of at least 100.degree. C., and an inert solvent in an amount such that the photocurable composition is pourable, are described.Type: GrantFiled: June 13, 1990Date of Patent: October 6, 1992Assignee: Ciba-Geigy CorporationInventors: Kurt Meier, Robert J. Lunn, Christoph Kroehnke, Giuliano Eugster
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Patent number: 5126209Abstract: A transparent polyurethane layer which is resistant to fogging. The layer contains monomers and/or oligomers of acrylic acid or of salts of said acid grafted radiochemically to the surface of said layer. The layer is used as a coating layer for laminated glazings.Type: GrantFiled: February 2, 1988Date of Patent: June 30, 1992Assignee: Saint-Gobain VitrageInventor: Albert A. Kruger
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Patent number: 5079313Abstract: Polymer dispersing agent comprising a graft polymer prepared by graft-polymerizing an organopolysiloxane having a mercapto group on the side chain with at least one acrylic or methacrylic monomer, and epoxy resin composition comprising epoxy resin, silicone resin and the above polymer dispersing agent. The polymer dispersing agent has an excellent effect for dispersing the silicone resin into the epoxy resin, and thereby the epoxy resin composition thus prepared has high dispersion stability and exhibits improved impact resistance and relaxation of residual internal stress and is useful as a sealing agent for IC, a coating agent, a paint composition, an adhesive, and a prepreg.Type: GrantFiled: November 15, 1989Date of Patent: January 7, 1992Assignee: Sunstar Giken Kabushiki KaishaInventors: Tatsuya Okuno, Hiromu Okamoto, Masahiro Uemori
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Patent number: 5061592Abstract: A presensitized plate for use in making a lithographic printing plate which comprises an aluminum substrate provided thereon with a light-sensitive layer comprising a polymer having at least two photodimerizable unsaturated double bonds in the molecule, wherein the light-sensitive layer further comprises a compound having at least one photodimerizable unsaturated double bond and at least one phosphinyl group in each molecule as well as a molecular weight of not more than 2,000. The presensitized plate shows excellent sensitivity and makes it possible to provide a lithographic printing plate showing high printing durability.Type: GrantFiled: April 25, 1990Date of Patent: October 29, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Masanori Imai, Tadahiro Sorori
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Patent number: 5053316Abstract: (I) A photosensitive resin composition comprising(i) a thermoplastic elastomer selected from(A) a poly(amide-imide) ester produced by reacting a polyamide-forming monomer with either an aromatic carboxylic acid or its anhydride and either a polyalkylene glycol or an .alpha.,.omega.-dihydroxy hydrocarbon,(B) a poly(amide-imide) urethane produced by reacting the above poly(amide-imide) ester with a diisocyanate compound, and(C) a poly(amide-imide) urethane produced by reacting the above diisocyanate compound with a mixture of polymer diol and a poly(amide-imide) ester obtained from a Chthd 2-C.sub.4 alkylene glycol and a polyamide-forming monomer, and(ii) an ethylenic unsaturated compound, and(iii) a photopolymerization initiator,(II) a photosensitive sheet for printing plate formation which comprises a resin layer formed of the above composition, and(III) the above defined thermoplastic elastomer.Type: GrantFiled: June 8, 1989Date of Patent: October 1, 1991Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Yoshio Suzuki, Yutaka Usubuchi, Yakeshi Oguri
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Patent number: 4978693Abstract: A molding of modified polyphenylene oxide resin comprises a composite of modified polyphenylene oxide containing polyphenylene oxide having structure expressed in the following general formula (I) as a basic skeleton, which resin composite preferably contains a cross linking agent, more preferably phosphoric ester serving as a cross linking agent, while the molding is cross-linked by irradiation to ionizing radiation: ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represents univalent substituents selected from a group of hydrogen, alkyl group, halogen, alkoxyl group and haloalkoxyl group, and n represents a natural number.Type: GrantFiled: July 28, 1988Date of Patent: December 18, 1990Assignee: Sumitomo Electric Industries, Ltd.Inventor: Yoshito Sakamoto
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Patent number: 4975472Abstract: A curable organopolysiloxane composition having condensation-curing properties and ultraviolet-curing properties, comprising (A) a diorganopolysiloxane having a viscosity of 50 to 200,000 cSt, both ends of each molecule thereof being blocked with a silanol group, (B) a silane compound, (C) an (alkyl)acrylic acid derivative, (D) a catalyst for condensation and (E) a sensitizer.Type: GrantFiled: May 5, 1989Date of Patent: December 4, 1990Assignee: Toshiba Silicone Co., Ltd.Inventors: Tsuneo Motegi, Yasuji Matsumoto
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Patent number: 4960673Abstract: Photopolymerizable laminates suitable for producing flexible and resilient printing plates carry on a dimensionally stable base at least one intermediate layer and on top thereof a photopolymerizable layer which consists essentially of a mixture of a water-soluble copolymer or derivative of polyvinyl alcohol, a specific copolymerizable mono-functional (meth)acrylate, a photoinitiator and a thermal polymerization inhibitor.Type: GrantFiled: March 17, 1989Date of Patent: October 2, 1990Assignee: BASF AktiengesellschaftInventors: Erich Beck, Bernd Bronstert, Wolfgang Huemmer, Dieter Littmann
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Patent number: 4956266Abstract: Compositions comprising an oligomer which (a) on average comprises at least one in-chain residue of the general formula ##STR1## wherein Ar.sup.1 is an aromatic group, R.sup.1 is hydrogen or a hydrocarbyl group, X is a group which activates Ar.sup.1 to electrophilic attack, and Y.sup.1 is an organic residue bearing a carboxyl substituent; and (b) has one or more pendant and/or terminal acyloxymethyl groups are described. They may be used in dental, electronic and electrical applications.Type: GrantFiled: February 5, 1988Date of Patent: September 11, 1990Assignee: Imperial Chemical Industries plcInventors: Michael E. B. Jones, John G. Carey
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Patent number: 4942112Abstract: Solid photopolymerizable compositions and photosensitive elements are provided that are useful in preparing optical elements, and especially holograms. The composition contains a polymeric binder, a liquid ethylenically unsaturated monomer, and a photoinitiator system. Typical compositions have a refractive index modulation of at least 0.005 when measured per the specified test.Type: GrantFiled: January 15, 1988Date of Patent: July 17, 1990Assignee: E. I. Du Pont de Nemours and CompanyInventors: Bruce M. Monroe, William K. Smothers
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Patent number: 4935333Abstract: Disclosed is a water-developable photosensitive resin composition capable of hot melt molding, which comprises:(i) a water soluble or water dispersible polyvinyl alcohol prepared by saponifying a copolymer which is obtained from copolymerizing 0 to 20 mol % of a monomer not having an ionic group (hereinafter referred to as "nonionic monomer"), 0 to 10 mol % of an ionic group-containing monomer (hereinafter referred to as "ionic monomer") and the remaining amount of a vinyl ester in the presence of a thiolic acid wherein the total content of the ionic monomer and nonionic monomer is 0.1 to 20 mol %; said polyvinyl alcohol having a terminal mercapto group, a saponification degree of the vinyl ester unit of 50 to 70 mol %, and a hot melt flow starting temperature of 60.degree. to 130.degree. C.(ii) a polymerizable monomer, and(iii) a photopolymerization initiator.Type: GrantFiled: January 15, 1988Date of Patent: June 19, 1990Assignee: Nippon Paint Co., Ltd.Inventors: Koichi Kimoto, Yasushi Umeda, Chitoshi Kawaguchi, Toshitaka Kawanami
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Patent number: 4918115Abstract: Compositions comprising an oligomer which (a) on average comprises at least one in-chain residue of the general formula ##STR1## wherein Ar.sup.1 is an aromatic group, R.sup.1 is hydrogen or a hydrocarbyl group, X is a group which activates Ar.sup.1 to electrophilic attack, and Y.sup.1 is an organic residue bearing a carboxyl substituent; ad (b) has one or more pendant and/or terminal acyloxymethyl groups are described. They may be used in dental, electronic and electrical applications.Type: GrantFiled: February 5, 1988Date of Patent: April 17, 1990Assignee: Imperial Chemical Industries PLCInventors: Michael E. B. Jones, John G. Carey
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Patent number: 4902605Abstract: A flexible and nonbrittle negative-working photoresist composition comprises a polymeric binder, a photoinitiator composition, and a polymerizable cyclohexyleneoxyalkyl acrylate monomer characterized by the structural formula: ##STR1## wherein R is H or CH.sub.3,a is an integer of from 1 to 10 andb is 1 or 2.Type: GrantFiled: July 24, 1987Date of Patent: February 20, 1990Assignee: Eastman Kodak CompanyInventors: Gerald W. Klein, Robert C. McConkey, Michel F. Molaire, John M. Noonan
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Patent number: 4902578Abstract: A novel radiation curable coating composition for thermoplastic substrates contains a polyfunctional acrylic monomer, a mono-, di- or trifunctional acrylic monomer, a thermoplastic or elastomeric polymer and a photoinitiator. The coatings can be cured to hard, abrasion resistant coatings, yet retain a significant degree of residual unsaturation. The residual unsaturation and the thermoplastic or elastomeric polymer provide excellent adhesion between the coating and topcoats.Type: GrantFiled: December 31, 1987Date of Patent: February 20, 1990Assignee: General Electric CompanyInventor: Stuart R. Kerr, III