N-c=o Containing Patents (Class 522/139)
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Patent number: 11939414Abstract: A polymerisable radiation-curable composition comprising: (i) monomers, comprising at least (a) a first monomer having a TG (glass-transition point) of the homopolymer of said first monomer ?120° C. and at least (b) a second monomer having a TG (glass-transition point) of the homopolymer of the second monomer ?100° C., wherein at least one of the at least one first monomer or of the at least one second monomer has an alicyclic group, and comprising (ii) at least one further component, comprising at least one photo-initiator for the UV and/or Vis spectral region or a photo-initiator system for the UV and/or Vis spectral region. Also disclosed is a blank in the form of a three-dimensional moulded body of a polymerised composition, in particular radiation-cured composition, for producing 3D moulded bodies, dental prosthetic parts, orthopaedic appliances or dental pre-forms in a rapid prototyping, rapid manufacturing, or rapid tooling method.Type: GrantFiled: March 10, 2020Date of Patent: March 26, 2024Assignee: Kulzer GmbHInventor: Alfred Hohmann
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Patent number: 11634528Abstract: Initiator/mediator chemistry for latent imaging polymers for volume Bragg gratings is provided. Light mediated chemistry including the use of nitroxides allows a first step imaging to occur, where a light induced pattern is recorded in the material, without the grating being apparent. A second bleaching/developing step completes the curing process and reveals the grating.Type: GrantFiled: May 1, 2020Date of Patent: April 25, 2023Assignee: META PLATFORMS TECHNOLOGIES, LLCInventors: Austin Lane, Matthew E. Colburn
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Patent number: 8835675Abstract: The present invention is directed to compounds and adhesives finding special utility in dental applications. Compounds of formulae: are of special interest, wherein: R represents a polymerizable group of the structure ?wherein R1 represents a hydrogen atom or methyl group; A represents an oxygen atom or a sulfur atom; Xqs represent independently an oxygen atom or a sulfur atom; Yqs represent independently hydrogen atom; Zqs may independently represent D-R2 where D represents a single carbon atom and R2 represents phenyl; p is an integer from 1 to 10; and q is an integer from 1 to p.Type: GrantFiled: December 4, 2007Date of Patent: September 16, 2014Assignee: Kabushiki Kaisha ShofuInventors: Kunio Ikemura, Yoshiyuki Jogetsu, So Ito
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Patent number: 8809412Abstract: The present invention relates to the use of oligomeric siloxane components in radiation-curable formulations which in the cured state offer a particular degree of corrosion control for metallic substrates.Type: GrantFiled: June 4, 2008Date of Patent: August 19, 2014Assignee: Evonik Degussa GmbHInventors: Emmanouil Spyrou, Rene Koschabek, Burkhard Standke
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Patent number: 8795841Abstract: Disclosed is a graft polymerization method which has solved problems involved in use of a solvent, a radical initiator and high-energy radiation when a monomer is graft-polymerized on the surface of a polymer base. The graft polymerization method is characterized in that a polymerization product is obtained by immersing a polymer base (i) having a ketone group on the surface into a reaction system containing a monomer (ii) and then irradiating the polymer base (i) with light so that polymerization of the monomer starts from the surface of the polymer base (i).Type: GrantFiled: November 20, 2009Date of Patent: August 5, 2014Assignees: Japan Medical Materials Corporation, The University of TokyoInventors: Masayuki Kyomoto, Kazuhiko Ishihara
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Patent number: 8642673Abstract: The present invention relates to the use of alkoxysilane components in the presence of acid-generating photoinitiators in radiation-curable, free-radically crosslinkable formulations which in the cured state offer a particular degree of corrosion control for metallic substrates.Type: GrantFiled: February 5, 2009Date of Patent: February 4, 2014Assignee: Evonik Degussa GmbHInventor: Emmanouil Spyrou
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Patent number: 8507584Abstract: Disclosed is a phase change ink comprising a colorant, an initiator, and a phase change ink carrier, said carrier comprising at least one radically curable monomer compound and a compound of the formula wherein R1 and R1? are the same, and wherein R1 and R1? are each an aromatic group; and wherein R2 and R2? and R3 each, independently of the others, are alkylene groups, arylene groups, arylalkylene groups, or alkylarylene groups; or wherein, in embodiments, R1 and R1? can be the same or different, and wherein R1 and R1? each, independently of the other is an alkyl group having a least one ethylenic unsaturation, an arylalkyl group having at least one ethylenic unsaturation, an alkylaryl group having at least one ethylenic unsaturation, or an aromatic group, provided that at least one of R1 and R1? is an aromatic group; and provided that neither of R1 or R1? is a photoinitiator group. Also disclosed herein is a method of printing with the phase change ink.Type: GrantFiled: April 22, 2010Date of Patent: August 13, 2013Assignee: Xerox CorporationInventors: Naveen Chopra, Michelle N. Chretien, Barkev Keoshkerian, Jennifer L. Belelie, Peter G. Odell
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Publication number: 20130186292Abstract: Disclosed is a resin composition for a flexographic printing plate, comprising (Component A) a binder resin and (Component B) a compound represented by Formula (1) and/or Formula (2), Component B being contained at 1 to 50 parts by mass relative to 100 parts by mass of Component A, wherein in Formulae (1) and (2) R1 and R4 independently denote a hydrogen atom or a methyl group, R2 and R5 independently denote a divalent organic group having 1 to 20 carbons, and R3 and R6 independently denote a monovalent organic group having 1 to 20 carbons, R3 and R6 not comprising an ethylenically unsaturated group, a dialkoxysilyl group, or a trialkoxysilyl group.Type: ApplicationFiled: January 16, 2013Publication date: July 25, 2013Applicant: FUJIFILM CORPORATIONInventor: Fujifilm Corporation
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Publication number: 20110274940Abstract: Disclosed is a graft polymerization method which has solved problems involved in use of a solvent, a radical initiator and high-energy radiation when a monomer is graft-polymerized on the surface of a polymer base. The graft polymerization method is characterized in that a polymerization product is obtained by immersing a polymer base (i) having a ketone group on the surface into a reaction system containing a monomer (ii) and then irradiating the polymer base (i) with light so that polymerization of the monomer starts from the surface of the polymer base (i).Type: ApplicationFiled: November 20, 2009Publication date: November 10, 2011Inventors: Masayuki Kyomoto, Kazuhiko Ishihara
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Patent number: 7728049Abstract: Disclosed is a radiation-crosslinkable thermoplastic polymer composition, a process for the preparation thereof, an angioplasty balloon and a medical catheter made using such a composition. The composition contains a reactive monomer cross-linker facilitates cross-linking of the reaction product upon contact of the cross-linker-containing composition with energy from a radiation source.Type: GrantFiled: June 30, 2003Date of Patent: June 1, 2010Inventor: Alan M. Zamore
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Patent number: 7642298Abstract: A polymeric surfactant formed by the reaction of an oligomeric or polymeric substrate with at least one ethylenically unsaturated monomer, wherein the reaction is conducted in the presence of a type II photo initiator and by the action of actinic radiation. The polymeric surfactant is useful for stabilising the interface in emulsions or dispersions.Type: GrantFiled: May 26, 2004Date of Patent: January 5, 2010Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventor: Michael Singh
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Patent number: 7605191Abstract: The invention provides a photosensitive resin which can readily form, through photo-crosslinking, a surface coating which has hydrophilicity and high bioadaptability; a photosensitive composition containing the photosensitive resin; and a photo-crosslinked structure obtained from the photosensitive composition.Type: GrantFiled: March 31, 2006Date of Patent: October 20, 2009Assignee: Toyo Gosei Co., Ltd.Inventors: Takeshi Ikeya, Toru Shibuya, Kana Miyazaki
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Patent number: 7514479Abstract: An active energy ray curable coating composition comprising a mixture (A) of compounds each having a (meth)acryloyl group and a colloidal silica (B), wherein the mixture (A) contains from 22 to 62% of a copolymer (A1) having (meth)acryloyl groups and obtained by reacting a specific amount of a radical polymerizable monomer (a1) having a quaternary ammonium salt group, a radical polymerizable monomer (a2) having a hydroxyl group and a radical polymerizable monomer (a3) having a lactone ring-opening addition structure. A molded product having a coating film made of a cured product of the coating composition. To form a coating film made of a cured product which provides excellent abrasion resistance, transparency and antistatic property and undergoes little decrease in the antistatic property even when kept at a high humidity.Type: GrantFiled: September 26, 2006Date of Patent: April 7, 2009Assignee: Asahi Glass Company, LimitedInventor: Satoshi Kondo
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Patent number: 7439279Abstract: To provide a coating composition which forms a coating film having excellent fingerprint removability and having favorable abrasion resistance and transparency, and a molded product having a coating film made of a cured product of the composition. An active energy ray curable coating composition comprising an active energy ray curable polymerizable monomer (A), a water and oil repellency-imparting agent (B) and an active energy ray polymerization initiator (C), wherein the water and oil repellency-imparting agent (B) contains a water and oil repellency-imparting agent (B-T) having a moiety (b-1) exerting water and oil repellency, an active energy ray curable functional group (b-2) and a moiety (b-3) excellent in compatibility with the polymerizable monomer (A) and a molded product having a coating film made of a cured product of the composition.Type: GrantFiled: May 13, 2005Date of Patent: October 21, 2008Assignee: Asahi Glass Company, LimitedInventors: Satoshi Kondo, Daisuke Shirakawa, Toshihiko Higuchi, Hirotsugu Yamamoto
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Patent number: 7247697Abstract: A golf ball comprising a core, a cover encasing the core, at least one coating layer encasing the cover, and at least one indicia layer immediate adjacent to the coating layer is provided. At least one of the indicia and coating layers comprises at least one two-part, reactive composition comprising at least one radiation-curable iso(thio)cyanate and at least one isocyanate-reactive chemical.Type: GrantFiled: October 22, 2004Date of Patent: July 24, 2007Assignee: Acushnet CompanyInventors: Matthew F. Hogge, Mitchell E. Lutz, Michael A. Mayo
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Patent number: 7235591Abstract: The present invention relates to an ultraviolet-curable coating composition comprising: (A) an ultraviolet curable four or more functional groups-containing polyfunctional (meth)acrylate having four or more (meth)acryloyl groups in the molecule and a number average molecular weight of 300 to 2,000, (B) a lactone-modified polymer of polyhydric alcohol mono(meth)acrylate containing 20 to 60 percents by weight of ?-caprolactone ring-opening addition product and having a hydroxyl value derived from the lactone modification of 100 to 180 mgKOH/g, and/or a lactone-modified polyester resin containing 10 to 50 percents by weight of lactone ring-opening addition product and having a hydroxyl value of 50 to 180 mgKOH/g, (C) a non-yellow polyisocyanate compound and/or an amino resin, (D) a light stabilizer and, (E) a photopolymerization initiator, wherein a weight ratio of component (A) against to a total weight of component Components (B) and (C) is 10:90 to 50:50, a weight ratio of component (B) against to componentType: GrantFiled: March 20, 2003Date of Patent: June 26, 2007Assignee: BASF Coatings Japan Ltd.Inventors: Takeshi Tsunoda, Shinji Mitsumune
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Patent number: 7144955Abstract: Solvent-based, dual cure coatings incorporating thermally curable blocked polyisocyanates, which also contain unsaturated linkages, and a method for preparing these coatings. The unsaturated linkages, such as acrylate groups, can be crosslinked by free-radical mechanisms such as UV curing.Type: GrantFiled: October 27, 2003Date of Patent: December 5, 2006Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Scott A. Grace, Michael J. Dvorchak, Richard R. Roesler, Dinesh Pethiyagoda, Michael K. Jeffries, Jan Weikard
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Patent number: 6927274Abstract: Polyimide precursors contained in resin compositions of the present invention have a polymer structure unit represented by formula (1) below: wherein chemical structure A2 includes an alicyclic compound but not an aromatic compound such as a benzene ring so that they provide excellent light transmission over a wide wavelength range. The polyimide precursors are imidized at 7.5% or more and 36% or less so that they are less soluble in developing solutions and therefore are not dissolved in the developing solutions at unexposed parts. Thus, the resin compositions of the present invention can be used to form a resin film having a precise pattern by exposure and development.Type: GrantFiled: October 24, 2003Date of Patent: August 9, 2005Assignee: Sony Chemicals Corp.Inventors: Mamiko Nomura, Masatoshi Hasegawa, Junichi Ishii, Tadashi Akamatsu
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Patent number: 6906113Abstract: Compounds of formula Ia, Ib and Ic, (Ic), in which R, R1 and R2 are e.g. phenyl, naphthyl, anthracyl, phenanthryl or a heterocyclic radical, are suitable as photoinitiators which accumulate at the surface of coatings.Type: GrantFiled: August 7, 2001Date of Patent: June 14, 2005Assignee: Ciba Specialty Chemicals Corp.Inventors: Gisèle Baudin, Tunja Jung
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Patent number: 6861456Abstract: The present invention provides a novel photosensitive compound having an azido group suitable for exposure to light of a short wavelength; a photosensitive resin containing the photosensitive compound; and a photosensitive composition containing the photosensitive compound or photosensitive resin. The photosensitive compound containing a photosensitive unit represented by formula (1): wherein R is selected from among the following groups, R: X is selected from among the following groups, X: and each of Y and Z represents a hydrogen atom, an alkyl group, an acetal-group-containing alkyl group, an aryl group, an aralkyl group, or a substituent containing a base-forming nitrogen atom, wherein at least one of R and X contains an azido group.Type: GrantFiled: March 27, 2003Date of Patent: March 1, 2005Assignee: Toyo Gosei Kogyo Co., Ltd.Inventors: Toru Shibuya, Masanori Kurihara, Mineko Takeda, Kazuo Yamada
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Patent number: 6803393Abstract: Multicomponent system curable thermally and with actinic radiation, comprising A) an isocyanate-reactive binder comprising A1) at least one unsaturated polyester whose molecule contains on average at least one group that can be activated with actinic radiation, of the formulae I, II and/or III wherein n is an integer from 1 to 10; and A2) at least one binder, different than (A1), whose molecule comprises on average at least two isocyanate-reactive functional groups, and/or A3) at least one binder, different than (A1), whose molecule comprises on average at least one isocyanate-reactive functional group and at least one reactive functional group having at least one bond that can be activated with actinic radiation, and B) a crosslinker comprising B1) at least one polyisocyanate and/or B2) at least one polyisocyanate whose molecule comprises on average at least one reactive functional group having at least one bond that can be activated with actinic radiation.Type: GrantFiled: December 11, 2002Date of Patent: October 12, 2004Assignee: BASF Coatings AGInventors: Rainer Blum, Maxime Allard
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Publication number: 20030195271Abstract: Provided is a radiation curable resin composition suitable for use as a primary coating material for optical fibers, which can form a cured coating with a low modulus of elasticity exhibiting a high breaking strength, and small light transmission loss; the coating composition comprises (A) a polymer containing polymerizable unsaturated groups in an average amount of 1.2 per molecule, a urethane bond in a molecular chain, and having a number average molecular weight from 3,000 to 30,000, (B) a poly-functional monomer having two or more polymerizable unsaturated groups, (C) a monomer having one polymerizable unsaturated group, and (D) a radiation active initiator. The secant modulus of the coating is less than 0.15 kg/mm2, the tensile strength is more than 0.15 kg/mm2.Type: ApplicationFiled: February 25, 2003Publication date: October 16, 2003Applicant: DSM N.V. and JSR CorporationInventors: Miyuki Ishikawa, Zen Komiya, Takashi Ukachi
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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: 6599955Abstract: The invention relates to radiation-curable coating composition containing: a) 10 to 100 wt. % of a urethane (meth)acrylate which contains both (meth)acryloyl groups and free isocyanate groups, b) 0 to 90 wt. % of (meth)acrylates which contain (meth)acryloyl groups but no free isocyanate groups or any isocyanate-reactive groups, the wt. % under a) and b) adding up to 100 wt. %, based on the weight of a)+b), and c) 0 to 10 wt. %, based on the sum of components a) and b) of a UV initiator for free radical polymerization. The invention also relates to metal, plastic, film, wood, leather and mineral substrates coated with the above-mentioned radiation-curable coating composition.Type: GrantFiled: November 15, 2000Date of Patent: July 29, 2003Assignee: Bayer AktiengesellschaftInventors: Jan Weikard, Wolfgang Fischer
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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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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: 6203143Abstract: Disclosed is a composition which comprises (a) a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer being of the formula wherein x is an integer of 0 or 1, A is one of several specified groups, such as B is one of several specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units, wherein said photosensitivity-imparting substituents are hydroxyalkyl groups; (b) at least one member selected from the group consisting of photoinitiators and sensitizers; and (c) an optional solvent. Also disclosed are processes for preparing the above polymers and methods of preparing thermal ink jet printheads containing the above polymers.Type: GrantFiled: September 23, 1998Date of Patent: March 20, 2001Assignee: Xerox CorporationInventors: Ram S. Narang, Timothy J. Fuller
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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: 6126776Abstract: A method of modifying the surface of a solid polymer substrate comprising the steps of a) generating radicals on the substrate surface by subjecting it to a gas plasma or by subjecting it to UV light, and b) treating the surface with a vapor of a monomer or a monomer mixture comprising cyano acrylate and/or isocyanate, where step b) starts before step a), simultaneously with step a), under step a), or follows immediately after step a), and a polymer substrate modified accordingly; a method of binding an organic binder material to a surface of a solid polymer substrate comprising the steps of modifying the surface of the substrate by said method, and bringing the organic material in contact with the surface of the substrate, and a polymer bonded to an organic material by the last mentioned method.Type: GrantFiled: December 15, 1998Date of Patent: October 3, 2000Assignee: NKT Research Center A/SInventors: Kristian Glejb.o slashed.l, Bj.o slashed.rn Winther-Jensen
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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: 5900444Abstract: Disclosed is a radiation-crosslinkable thermoplastic polyurethane composition comprising (a) the reaction product of: (i) an aliphatic polyisocyanate, and (ii) a polyahl, and (b) a reactive monomer cross-linker. The reactive monomer cross-linker facilitates cross-linking of the reaction product upon contact of the cross-linker-containing composition with photons from a radiation source. Also disclosed is a process for converting this thermoplastic polyurethane into a thermoset polyurethane by irradiating the thermoplastic polyurethane with a beam of photons.Type: GrantFiled: October 8, 1996Date of Patent: May 4, 1999Inventor: Alan Zamore
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Patent number: 5357030Abstract: The invention relates to a process for producing chain extended polyamide compositions which comprise one or more polyamides and one or more lactamyl phosphites.Type: GrantFiled: June 3, 1992Date of Patent: October 18, 1994Assignee: AlliedSignal Inc.Inventors: Bruce VanBuskirk, Murali K. Akkapeddi, Jeffrey H. Glans
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Patent number: 5238784Abstract: The present invention provides a photosensitive resin composition which comprises, as essential components:(A) a polyamic acid having a recurring unit represented by the following formula [I]: ##STR1## wherein R.sub.1 and R.sub.2 each represents an organic group selected from the group consisting of an aromatic group, an alicyclic group, an aliphatic group, and a heterocyclic group and m is 1 or 2,(B) an amide compound having carbon-carbon double bond, and(C) a photosensitizer.Type: GrantFiled: November 28, 1990Date of Patent: August 24, 1993Assignee: Sumitomo Bakelite Company LimitedInventors: Akira Tokoh, Nobuyuki Sashida, Etsu Takeuchi, Takashi Hirano
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Patent number: 5019481Abstract: An aqueous base developable negative resist composition comprising a phenolic resin, a radio-chemical acid generator and a small molecule which upon irradication and postbake reacts with the phenolic resin to decrease its rate of dissolution.Type: GrantFiled: September 25, 1989Date of Patent: May 28, 1991Assignee: International Business Machines CorporationInventor: Hiroshi Ito
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Patent number: 4851455Abstract: Self-cyclisable polymer such as polyacrylonitrile formed within aromatic polymer matrix is heat treated to improve the glass transition temperature and flow characteristics of the aromatic polymer. Polyaryletherketones are preferred as the matrix.Type: GrantFiled: November 22, 1988Date of Patent: July 25, 1989Assignee: Raychem PontoiseInventors: Claude Job, Michele Lamothe, Martine Jamet
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Patent number: 4659788Abstract: A radiation curable adhesive composition comprising a liquid oligomer, a chain transfer agent, and an N-methyl compound can give a surface protective film which is slightly influenced in adhesive strength with the lapse of time, and excellent in weather resistance and heat resistance.Type: GrantFiled: April 1, 1985Date of Patent: April 21, 1987Assignee: Hitachi Chemical Co., Ltd.Inventors: Tomohisa Ohta, Akihiko Dobashi, Hisashige Kanbara, Yasuyuki Seki
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Patent number: 4622366Abstract: A uranium adsorbing material made of a graft polymer with a graft ratio of 20 to 100% which contains amidoxime groups and cation exchange groups in a molar ratio of 1:1 to 20:1 and a process for preparing said material are herein disclosed.Type: GrantFiled: November 28, 1984Date of Patent: November 11, 1986Assignee: Japan Atomic Energy Research InstituteInventors: Takanobu Sugo, Jiro Okamoto, Isao Ishigaki, Akio Katakai
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Patent number: RE39000Abstract: A method of modifying the surface of a solid polymer substrate comprising the steps of a) generating radicals on the substrate surface by subjecting it to a gas plasma or by subjecting it to UV light, and b) treating the surface with a vapor of a monomer or a monomer mixture comprising cyano acrylate and/or isocyanate, where step b) starts before step a), simultaneously with step a), under step a), or follows immediately after step a), and a polymer substrate modified accordingly; a method of binding an organic binder material to a surface of a solid polymer substrate comprising the steps of modifying the surface of the substrate by said method, and bringing the organic material in contact with the surface of the substrate, and a polymer bonded to an organic material by the last mentioned method.Type: GrantFiled: June 27, 1997Date of Patent: March 7, 2006Assignee: NKT Research A/SInventors: Kristian Glejbol, Bjorn Winther-Jensen