Fused Or Bridged Ring System Patents (Class 524/324)
  • Patent number: 11597819
    Abstract: A composite material having physical characteristics equivalent to particle board materials bonded with resin-based adhesives that contain formaldehyde-urea is formed of reclaimed textile debris comprising fabric scraps and a latex based binder. The binder includes natural rubber latex, sulfur, an anti-oxidant agent and pH adjustment substances. The binder may also include selected amounts of zinc oxide, zinc diethyldithiocarbamate and a stabilizer. Production of the composite material includes mixing the constituents and vulcanization through the application of heat and compression. Cold compression is subsequently applied.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: March 7, 2023
    Inventors: Pitak Laoratanakul, Sanjeev Madan Bahl, Pinyada Ninkamhang
  • Patent number: 11161965
    Abstract: Organopolysulfides such as organodisulfides, organotrisulfides and/or organotetrasulfides are useful stabilizers for polymer compositions, wherein the tendency of a polymer to degrade when exposed to environmental conditions such as heat, light and oxygen may be ameliorated by the incorporation of one or more of such organopolysulfides, optionally together with one or more additional stabilization additives such as a hindered phenol antioxidant, phosp(on)ite stabilizer or hindered amine light stabilizer.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: November 2, 2021
    Assignee: Arkema Inc.
    Inventors: George Charles Fortman, Jonathan Pearce Stehman, Stephanie Christina Vrakas, Kurt Wood
  • Patent number: 11084926
    Abstract: The present document describes a polyamide hot-melt resin having a chemical structure consisting of dimerized fatty acids and diamines, loaded with an active ingredient. The dimerized fatty acids may have 12 to 24 carbons and the diamines may have 2 to 14 carbons. The amine residual functional groups and acid residual functional groups within the polyamide hot-melt resin may have a [NH2]/[COOH] molar ratio below 5, and the active ingredient may be incorporated in quantities of between about 0.01 and about 55% by weight of weight of the resin. The present document also describes items molded from the polyamide hot-melt resins, and processes of preparing the polyamide hot-melt resins.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: August 10, 2021
    Assignee: AB7 INNOVATION S.A.S.U.
    Inventors: René Chelle, David Nguyen, Arnaud Vilbert
  • Patent number: 9040612
    Abstract: A caulk composition having a first color upon application and a second color upon formation of a skin, wherein said skin is suitable for application of a surface treatment.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: May 26, 2015
    Assignee: Red Devil, Incorporated
    Inventors: Larry G. Brandon, Michael Gabel, Curtis True, Lori S. Gonzales
  • Publication number: 20150104663
    Abstract: The invention concerns an olefinically unsaturated radial styrenic block copolymer having the general formula A-B—Y—(B-A)n wherein each A is independently a polymer block composed of at least 90 mol. % of an alkenyl aromatic hydrocarbon, each B is independently a polymer block composed of at least 90 mol. % of one or more conjugated dienes, Y is the remnant of a coupling agent, and n is an integer from 2 to 5. The invention is also an improved vulcanizer-free latex comprising water and the olefinically unsaturated radial styrenic block copolymer. Moreover, the invention concerns a process for preparing articles by coagulation dipping from the improved latex and dipped goods made from such latex.
    Type: Application
    Filed: October 9, 2014
    Publication date: April 16, 2015
    Applicant: KRATON POLYMERS U.S. LLC
    Inventors: Wouter DE JONG, Maarten TROMP
  • Patent number: 8772389
    Abstract: A caulk composition having a first color upon application and a second color upon formation of a skin, wherein said skin is suitable for application of a surface treatment.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: July 8, 2014
    Assignee: Red Devil Incorporated
    Inventors: Larry G. Brandon, Michael Gabel, Curtis True, Lori S. Gonzales
  • Patent number: 8680188
    Abstract: The invention relates to reaction products of amines with polymers containing dicarboxylic acids anhydride groups, method for the production thereof and use thereof as a dispersing additive for pigments. The invention also relates to solid pigment preparations containing said reaction products.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: March 25, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Carsten Plueg, Jesus Pitarch Lopez, Alexander Woerndle
  • Patent number: 8604113
    Abstract: The photosensitive resin composition of the present invention includes an alkali solubility resin including molecules each composed of a main chain having one end and the other end opposite to the one end, an organic group bonded to the one end thereof, the organic group having at least one unsaturated group, and a substituent group bonded to at least one of the other end of the main chain and a branch thereof, the substituent group having a cyclic chemical structure containing nitrogen atoms, and a photosensitive agent. Further, the insulating film of the present invention is composed of a cured product of the above photosensitive resin composition. Furthermore, the protective film of the present invention is composed of a cured product of the above photosensitive resin composition. Moreover, the Electronic equipment of the present invention is provided with the above protective film and insulating film.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: December 10, 2013
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventor: Hideyuki Toyoda
  • Publication number: 20130288063
    Abstract: A curable resin composition which can achieve a cured product in which the generation of cracks upon curing is suppressed and which has both a low thermal expansion rate and a low water absorbability is provided. The curable resin composition comprises: at least a cyanate ester compound (A) represented by the following formula (I); a metal complex catalyst (B); and an additive (C), wherein the additive (C) contains any one or more selected from the group consisting of a compound represented by the following general formula (II), a compound represented by the following general formula (III), and a tertiary amine.
    Type: Application
    Filed: January 31, 2012
    Publication date: October 31, 2013
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Makoto Tsubuku, Taketo Ukeno, Masayuki Katagiri, Tomoo Tsujimoto
  • Patent number: 8466219
    Abstract: The invention relates to reaction products of amines with polymers containing dicarboxylic acids anhydride groups, method for the production thereof and use thereof as a dispersing additive for pigments. The invention also relates to solid pigment preparations containing said reaction products.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: June 18, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Carsten Plueg, Jesus Pitarch Lopez, Alexander Woerndle
  • Publication number: 20130130064
    Abstract: An aspect of the present invention relates to an alumina dispersion, which is employed to manufacture a particulate magnetic recording medium, comprises alumina, a solvent, and a dispersing agent in the form of an aromatic hydrocarbon compound having a phenolic hydroxyl group, and essentially does not comprise ferromagnetic powder.
    Type: Application
    Filed: November 20, 2012
    Publication date: May 23, 2013
    Applicant: FUJIFILM CORPORATION
    Inventor: Fujifilm Corporation
  • Patent number: 8273822
    Abstract: The present invention pertains to a reversible thermochromic system comprising a ?-phenylvinylketone or a ?-phenyl polyacetylenyl ketone with at least one acidic hydrogen and a base and to a reversible thermochromic composition comprising the reversible thermochromic system and a carrier material and to novel substituted ?-phenylvinylketones or ?-phenyl polyacetylenyl ketones with at least one acidic hydrogen.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: September 25, 2012
    Assignee: BASF SE
    Inventors: Mirko Rossi, Graziano Zagnoni, Manuele Vitali, Dario Lazzari, Walter Fischer
  • Patent number: 8273851
    Abstract: A method for producing a polyimide film comprises the steps of: preparing a polar organic solvent solution of a polyimide precursor obtained by mixing a tetracarboxylic acid dianhydride compound and a diamine compound; adding a dehydrating agent and an imidization catalyst to the polar organic solvent solution so as to prepare a resin solution composition; and drying the resin solution composition by heating so as to imidize the resin solution composition after flowing the resin solution composition onto a support in a casting manner, wherein diethyl pyridine is used as the imidization catalyst. According to the production method, it is possible to obtain a polyimide film which is highly productive and is excellent in the film quality such as the mechanical property, the adhesive strength, and the like.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: September 25, 2012
    Assignee: Kaneka Corporation
    Inventor: Katsunori Yabuta
  • Patent number: 8227531
    Abstract: Crosslinked ultra-high molecular weight polyethylene (UHMW-PE) is disclosed, as well as molded bodies made from the UHMW-PE and a process for making such UHMWE-PE.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: July 24, 2012
    Inventors: Klaus Lederer, Christian Wolf
  • Patent number: 8178594
    Abstract: An antioxidant combined with UHMWPE prior to subjecting the UHMWPE to crosslinking irradiation. In one exemplary embodiment, the antioxidant is tocopherol. After the antioxidant is combined with the UHMWPE, the resulting blend may be formed into slabs, bar stock, and/or incorporated into a substrate, such as a metal, for example. The resulting product may then be subjected to crosslinking irradiation. In one exemplary embodiment, the UHMWPE blend is preheated prior to subjecting the same to crosslinking irradiation. Once irradiated, the UHMWPE blended product may be machined, packaged, and sterilized in accordance with conventional techniques.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 15, 2012
    Assignee: Zimmer, Inc.
    Inventors: Alicia Rufner, John Knight, Toni Rowe, Dirk Pletcher, Ray Gsell, Werner Schneider, Hallie E. Brinkerhuff
  • Patent number: 8129440
    Abstract: An antioxidant combined with UHMWPE prior to subjecting the UHMWPE to crosslinking irradiation. In one exemplary embodiment, the antioxidant is tocopherol. After the antioxidant is combined with the UHMWPE, the resulting blend may be formed into slabs, bar stock, and/or incorporated into a substrate, such as a metal, for example. The resulting product may then be subjected to crosslinking irradiation. In one exemplary embodiment, the UHMWPE blend is preheated prior to subjecting the same to crosslinking irradiation. Once irradiated, the UHMWPE blended product may be machined, packaged, and sterilized in accordance with conventional techniques.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: March 6, 2012
    Assignee: Zimmer, Inc.
    Inventors: Alicia Rufner, John Knight, Toni Rowe, Dirk Pletcher, Ray Gsell, Werner Schneider, Hallie E. Brinkerhuff
  • Publication number: 20120034486
    Abstract: Disclosed is a rubber composition for a conveyor belt, which is characterized by containing 0.5-3 parts by weight of zinc dimethacrylate and 1.1-4.5 parts by weight of neodecanoic acid cobalt boride per 100 parts by weight of the rubber component. Also disclosed is a conveyor belt in which a galvanized steel cord that is covered with an adhesive rubber layer formed from the rubber composition is used as the core body. The rubber composition has excellent adhesion to a galvanized steel cord and good vulcanization rate. The conveyor belt using the rubber composition has excellent durability and productivity.
    Type: Application
    Filed: April 19, 2010
    Publication date: February 9, 2012
    Applicant: Bridgestone Corporation
    Inventor: Hiroki Nakano
  • Publication number: 20110184097
    Abstract: The invention relates to pigment preparations containing (i) at least one organic and/or inorganic pigment, and (ii) a dispersant of formula (I) or (II), or mixtures of dispersants of formulae (I) and (II), wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, D is propylene, and Q is SO3, CH2—COO, PO3M or QM.
    Type: Application
    Filed: July 17, 2009
    Publication date: July 28, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle, Dietmar Beck
  • Publication number: 20110107803
    Abstract: The invention relates to an aqueous pigment preparation containing (A) at least one organic and/or inorganic pigment, (B) a dispersant of formula (I), (II), (III) or (IV) or mixtures of the dispersants of formula (I), (II), (III) or (IV), (C) optionally wetting agents, (C) optionally other surfactants and/other dispersants, (E) optionally at least one organic solvent or at least one hydrotropic substance, (F) optionally other additives commonly used to produce aqueous pigment dispersions.
    Type: Application
    Filed: July 23, 2008
    Publication date: May 12, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
  • Publication number: 20110046274
    Abstract: The invention relates to reaction products of amines with polymers containing dicarboxylic acids anhydride groups, method for the production thereof and use thereof as a dispersing additive for pigments. The invention also relates to solid pigment preparations containing said reaction products.
    Type: Application
    Filed: March 31, 2009
    Publication date: February 24, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Carsten Plueg, Jesus Pitarch Lopez, Alexander Woerndle
  • Patent number: 7847003
    Abstract: The present invention provides a positive photosensitive resin composition which can form a cured film excellent in process resistance such as heat resistance, solvent resistance or long-time baking resistance and transparency, and which is excellent in photosensitive properties such as resolution and sensitivity, and which has high storage stability and a wide process margin. Further, the present invention provides a positive photosensitive resin composition having such high reliability that no deterioration of electrical characteristics will be led in its application for liquid crystal display devices.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: December 7, 2010
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Shinsuke Tsuji, Yosuke Iinuma, Shinya Arase
  • Publication number: 20100305245
    Abstract: The present invention is directed to a color-pigmented paint composition with high hiding power, comprising a solvent or a solvent mixture and a.) based on the total formulation, 1% to 80% by weight of a polysilazane of the formula (1) —(SiR?R?—NR??)n???(1) and b.) based on the total formulation 1% to 15% by weight, particularly 2% to 8% by weight, of one or more pigments wherein R?, R?, and R?? are alike or different and independently of one another are hydrogen or an unsubstituted or substituted alkyl, aryl, vinyl or (trialkoxysilyl)alkyl radical, n being an integer and n having a magnitude such that the polysilazane has a number average molecular weight of 150 to 150 000 g/mol.
    Type: Application
    Filed: May 15, 2008
    Publication date: December 2, 2010
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventors: Stefan Brand, Andreas Dierdorf, Hubert Liebe, Frank Osterod, Markus Mahn, Ken Ryan
  • Publication number: 20100227950
    Abstract: Provided herein are compositions useful as ink or coatings which contain novel dispersants that are capable of dispersing pigments which are traditionally difficult to disperse while maintaining acceptable levels of viscosity. Use of dispersants as taught herein enables the preparation of a wide variety of inks and coatings having high pigment loading and existing within a conventionally-useful viscosity range.
    Type: Application
    Filed: August 9, 2006
    Publication date: September 9, 2010
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Duy T. Nguyen, Howard P. Klein
  • Patent number: 7776947
    Abstract: A golf ball composition having a copolymer with an acid content modified by a nucleating agent is described. The nucleating agent modifies the flexural modulus of the acid copolymer.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: August 17, 2010
    Assignee: Acushnet Company
    Inventor: Michael D. Jordan
  • Patent number: 7695818
    Abstract: Pressure sensitive adhesives and methods, wherein the adhesives include a silicone tackifying resin and a polydiorganosiloxane polyurea copolymer. The tack of these adhesives is improved by the use of a processing aid, such as a plasticizer.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: April 13, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Audrey A. Sherman, Kurt C. Melancon, Anthony M. Kremer
  • Publication number: 20080227894
    Abstract: A pigment dispersion comprising a colour pigment and a polymeric dispersant having at least one pending chromophore group covalently bound to the polymeric backbone of the polymeric dispersant through a linking group wherein the at least one pending chromophore group is a derivative from a colour pigment selected from the group consisting of monoazo pigments, disazo pigments, ?-naphtol pigments, naphtol AS pigments, azo pigment lakes, benzimidazolone pigments, disazo condensation pigments, metal complex pigments, isoindolinone pigments, isoindolinine pigments, phthalocyanine pigments, quinacridone pigments, diketopyrrolo-pyrrole pigments, thioindigo pigments, anthraquinone pigments, anthrapyrimidine pigments, indanthrone pigments, flavanthrone pigments, pyranthrone pigments, anthanthrone pigments, isoviolanthrone pigments, aluminium pigment lakes, dioxazine pigments, triarylcarbonium pigments and quinophthalone pigments; the at least one pending chromophore group is a chromophore group occurring as a side gr
    Type: Application
    Filed: June 23, 2006
    Publication date: September 18, 2008
    Applicant: AGFA GRAPHICS NV
    Inventors: Johan Loccufier, Wojciech Jaunky, Geert Deroover, Lambertus Groenendaal
  • Patent number: 7335693
    Abstract: The invention relates to an antioxidant for polyamides containing a sterically hindered phenol of formula (I) as a single primary antioxidant, wherein n is a mixture of whole numbers from 1-5. The invention also relates to compositions containing a polyamide and a compound of formula (I) as a single primary antioxidant.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: February 26, 2008
    Assignee: Degussa AG
    Inventors: Hark-Oluf Asbahr, Thomas Bomba
  • Patent number: 7291388
    Abstract: An adhesive optical component comprising an optical component and a layer which comprises an adhesive composition, the adhesive composition being disposed on at least one face of the optical component by coating a solution of the adhesive composition on the face of the optical component and drying the solution to form a laminate, the adhesive composition comprising (A) a copolymer of (meth)acrylic esters, (B) a crosslinking agent and (C) a phenol compound.
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: November 6, 2007
    Assignee: Lintec Corporation
    Inventors: Takashi Suzuki, Kenji Sato, Kazuhiro Kon, Toshio Sugizaki
  • Patent number: 7179528
    Abstract: An adhesive sheet including an adhesive composition disposed on at least one face of a film of acetyl cellulose, the adhesive sheet being produced by coating a solution of the adhesive composition on the face of the film and drying the solution to form a laminate, the adhesive composition containing (A) a copolymer of (meth)acrylic esters,(B) a crosslinking agent and (C) a phenol compound. The adhesive composition in the adhesive sheet serves to suppress degradation of easily hydrolyzable materials by hydrolysis, improve durability and provides excellent stress relaxation without using plasticizers.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: February 20, 2007
    Assignee: Lintec Corporation
    Inventors: Takashi Suzuki, Kenji Sato, Kazuhiro Kon, Toshio Sugizaki
  • Patent number: 6890399
    Abstract: Polymerizable compositions for use in or as adhesives, sealants and/or coatings are disclosed herein. The compositions include a (meth)acrylate component together with a dye substantially dissolved in the (meth)acrylate component which imparts a first color to the (meth)acrylate component. Upon curing, a resultant cured composition has a second color. The invention also relates to a method of detecting substantially full cure of the polymerization of the compositions.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: May 10, 2005
    Assignee: Henkel Corporation
    Inventor: Stan Wojciak
  • Patent number: 6846866
    Abstract: The invention provides polyurethane containing a) a first additive comprising at least one mono-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; b) a second additive selected from the group consisting of i) condensation polymers of p-cresol and divinyl benzene and ii) compounds comprising at least one unsymmetrically di-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; and c) an inorganic chlorine-resist additive. The polyurethane of the invention exhibits improved resistance to degradation by chlorine and by atmospheric fumes.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: January 25, 2005
    Assignee: Invista North America S.a.r.L.
    Inventors: Nathan E. Houser, Gordon W. Selling
  • Patent number: 6815076
    Abstract: A pressure-sensitive adhesive tape having a cured layer of a silicone pressure-sensitive adhesive composition containing a phenolic antioxidant is attached to an adherend of metal, typically copper for bonding or masking purposes. Even after exposure to elevated temperatures of 150-250° C., the tape can be smoothly peeled from the adherend without leaving any adhesive residue.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: November 9, 2004
    Assignee: Shin-Etsu Chemical Co. Ltd.
    Inventor: Shunji Aoki
  • Patent number: 6720375
    Abstract: An adhesive composition comprising a crosslinked product of (A) a copolymer of (meth)acrylic esters and (B) a crosslinking agent, and (C) a phenol derivative. An adhesive composition comprising a crosslinked product of (D) a copolymer of (meth)acrylic esters having a weight-average molecular weight of 500,000 to 2,500,000 or (D′) a mixture of the copolymer (D) and an oligomer of (meth)acrylic esters having a weight-average molecular weight of 1,000 to 10,000 in a ratio of amounts of 100:5 to 100:100 by weight and (E) a crosslinking agent, and (F) a radical scavenger. An adhesive optical component comprising a layer of the adhesive composition disposed on at least one face of an optical component. The adhesive composition serves to suppress degradation of easily hydrolyzable materials by hydrolysis, improve durability and provide excellent stress relaxation without plasticizers.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: April 13, 2004
    Assignee: Lintec Corporation
    Inventors: Takashi Suzuki, Kenji Sato, Kazuhiro Kon, Toshio Sugizaki
  • Patent number: 6680349
    Abstract: An organohybrid-based damping material for controlling unwanted vibration and noise, an organic damping improver exhibiting piezoelectric, dielectric and electroconductive effects, and their producing methods, are provided. The damping material comprises a polymer matrix having a polar side chain and a damping improver composed of a compound containing basic nitrogen and a phenol-based compound. The damping material shows an excellent damping properties, alleviates the functional deterioration, and is applicable to different application temperature regions and wide areas.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: January 20, 2004
    Assignee: Masao Sumita
    Inventors: Cheng Zhang, Tadashi Miura, Masao Sumita
  • Patent number: 6531528
    Abstract: A ready to use patch repair product is disclosed that includes a color change indicator therein. After the product has dried the color changes to signal that, if desired, the worker can perform other operations such as painting, sanding, etc on the surface. In one aspect of the invention, a substantially ammonia and ammonium salt free latex polymer is used as the resin binder component. This provides enhanced color stability in the stored product.
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: March 11, 2003
    Assignee: DAP Products Inc.
    Inventor: Ronald D. Kurp
  • Patent number: 6506827
    Abstract: A rubber composition which contains the following components (A)-(D) and is free from any zinc-containing compounds that would cause trouble at the time of use of the final products: (A): an ethylene-&agr;-olefin copolymer rubber and/or ethylene-&agr;-olefin-non-conjugated diene copolymer rubber, (B): magnesium oxide, (C): carbon black, (D): at least one compound selected from the following compounds (D-1)-(D-3): (D-1): compounds containing a thio group and a carboxylic acid ester group in the molecule, (D-2): compounds containing a phenolic hydroxyl group in the molecule, (D-3): compounds containing an acyl group and an imino group in the molecule, provides vulcanized products including radiator hoses, heater hoses and radiator packings with improved age resistance.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: January 14, 2003
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Sadayuki Nakano
  • Patent number: 6420464
    Abstract: Resin compositions having a low viscosity, a low hygroscopicity, high adhesive properties and a high heat resistance as well as being light in weight and excellent in mechanical properties are provided. The resin compositions include polyhydric phenol compounds represented by the formula (1) and epoxy resins represented by the formula (3).
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: July 16, 2002
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Kenichi Kuboki, Yoshitaka Kajiwara, Eiko Watanabe, Yoshio Shimamura, Katsuhiko Oshimi
  • Patent number: 6300395
    Abstract: A hydrophilic coating having excellent hydrophilicity, which can prevent offensive odor generation, and which has a good antibacterial performance and formability, is formed on an aluminum-containing metal material by coating an aqueous hydrophilization treating liquid containing (A) a glycidyl group-containing, water-soluble organic compound; (B) a water-soluble polymeric or polymerizable compound having a tert-amino group and at least one hydrophilic functional group selected from sulfonic, phosphonic, carboxyl, polyalkyleneglycol, hydroxyl and amide groups; and (C) an antibacterial agent not decomposing at 100° C. or lower, on an aluminum-containing metal material; and heat-drying the coated liquid.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: October 9, 2001
    Assignee: Nikon Parkerizing, Co., Ltd.
    Inventors: Ryosuke Sako, Tomohiro Ohsako, Tatsuo Hibino
  • Patent number: 6069199
    Abstract: The object of the invention is to provide a liquid anti-scaler for coating polymerizing reactors obtained by a condensation reaction of naphthol with an aldehydic cross-linking product, wherein the cross-linking product is the reaction product of hydrosulfite and formaldehyde. It contains hydrosulfite and/or radical bisulfites and/or bisulfite. The condensate is made in such a way that in the absence of oxygen, it is in the form of liquid of clear transparent color.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: May 30, 2000
    Assignee: C.I.R.S. S.p.A.
    Inventors: Francesco Carlin, Mario Sattin
  • Patent number: 5852090
    Abstract: The antioxidants of the formulae I and II ##STR1## in which R.sub.1 is methyl or H,R.sub.2 is H or methyl,R.sub.3 is H or C.sub.1 -C.sub.4 alkyl,R.sub.4 is C.sub.1 -C.sub.5 alkyl,R.sub.5 is C.sub.1 -C.sub.5 alkyl, and the group Z is CH.sub.2 or O,are particularly suitable for stabilizing styrene (co)polymers.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: December 22, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Hans Rudolf Meier, Andreas Muhlebach
  • Patent number: 5760119
    Abstract: A method of stabilization of a melt viscosity of aliphatic- and/or aromatic homo- and/or co-polyesters containing catalysts and/or initiators, involves adding a masking agent which is tropon, .alpha.-tropolon, thujaplicin, pupurogallin or mixtures thereof to a melt resulting during synthesis of polyesters or during regeneration of polyesters.
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: June 2, 1998
    Assignee: Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung e.V.
    Inventors: Gerald Rafler, Olaf Wachsen, Karl-Heinz Reichert
  • Patent number: 5672574
    Abstract: Compositions comprising compounds of formula ##STR1## wherein the radicals R and R.sub.1 to R.sub.5 are as defined in claim 1, are described.Some of those compounds are novel. They are suitable for the stabilization of organic materials.
    Type: Grant
    Filed: September 20, 1995
    Date of Patent: September 30, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Samuel Evans, Stephan Allenbach
  • Patent number: 5585425
    Abstract: A thermochromic opaque/transparent composition is capable of exhibiting change in transparency together with change in color in response to temperature variation, a laminate member employing the same, and a three-dimensional article capable of concealing and revealing the interior, utilizing the laminate member. A thermochromic opaque/transparent composition is composed of dispersion, in vinyl chloridevinyl acetate copolymer matric resin, which has been obtained by blending with hindered amine compound selected from piperidine derivatives within a particle size range of 0.1 to 2.0 .mu.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: December 17, 1996
    Assignee: The Pilot Ink Co., Ltd.
    Inventors: Tsutomu Kito, Kuniyuki Senga, Hiroyuki Hayashi
  • Patent number: 5476894
    Abstract: The invention relates to an improved color paste for the manufacture of internally printed, curved laminated glass panes.Prior art color pastes cause problems with respect to adhesion and optical accuracy or require a higher technical complexity during the baking process for producing internally printed laminated glass panes.Color pastes which constitute the invention and overcome the previous drawbacks are characterized by a print medium which contains 5,6,8-trihydroxy-1,4-naphthoquinone in addition to solvents.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: December 19, 1995
    Assignee: Cerdec Aktiengesellshcaft Keramische Farben
    Inventor: Adalbert Huber
  • Patent number: 5466732
    Abstract: A polyimide precursor solution which comprises a polyimide precursor and a solvent wherein the polyimide precursor and the solvent are not solated strongly. A process for the production of the polyimide precursor solution, as well as moldings and coatings obtained from the solution.The polyimide precursor solution of the present invention has excellent storage stability, and the solvent can be removed easily at the time of the production of moldings or coatings. According to the process of the present invention, the polyimide precursor solution can be produced easily using simple apparatus and an inexpensive solvent(s) having low toxicity. The polyimide molding obtained from the polyimide precursor solution has excellent uniformity and no residual solvent. The polyimide coating obtained from the polyimide precursor solution has excellent uniformity, no residual solvent and excellent adhesiveness to a base material.
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: November 14, 1995
    Assignee: Unitika Ltd.
    Inventors: Isao Tomioka, Takeshi Nakano, Mikio Furukawa, Yoshiaki Echigo
  • Patent number: 5410015
    Abstract: Thermoplastic polyamide molding materials contain, as essential components,A) from 39 to 99% by weight of a polyamide or a mixture of different polyamides andB) from 1 to 30% by weight of a phenol of the general formula IR.sub.3 E Iand E is a trivalent, aliphatic, C.sub.1 -C.sub.10 -hydrocarbon radical, triazinetriyl or a trivalent C.sub.6 - or C.sub.10 -aryl radical, andc) from 0 to 60% by weight, based on the amount of polyamide, of fibrous or particulate fillers or a mixture thereof.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: April 25, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: James Hurley, Walter Goetz, Gerd Blinne
  • Patent number: 5360857
    Abstract: A polymer scale preventive agent for use in polymerization of vinyl chloride monomer or a monomer mixture containing vinyl chloride monomer as a major component, comprising:(A) a naphthoquinone natural dye and(B) a polyvinyl alcohol with a saponification degree of at least 50 mol %. The polymer scale preventive agent is formed as coating on the inner wall, etc. of a polymerization vessel. Deposition of polymer scale can be always effectively prevented. Polymers with a high whiteness can be produced, and products formed from the polymer have only a small number of fish eyes.
    Type: Grant
    Filed: March 17, 1993
    Date of Patent: November 1, 1994
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hajime Kitamura, Susumu Ueno, Mikio Watanabe, Masahiro Usuki, Toshihiko Nakano
  • Patent number: 5306752
    Abstract: A cyanoacrylate monomer adhesive formulation which has improved thermal properties resulting from the inclusion in the formulation of an effective amount for enhancing the thermal resistance of the cured polymer of a compound of the formula: ##STR1## where R is C(CN).sub.2, C(CO.sub.2 R.sup.e).sub.2, C(SO.sub.2 R.sup.e).sub.2 or C(Ph).sub.2 ; R.sup.a, R.sup.b, R.sup.c and R.sup.d are independently H, monovalent hydrocarbon, halogen or strong electron withdrawing groups; or two of R.sup.a, R.sup.b, R.sup.c and R.sup.d combined form a fused hydrocarbon ring; R.sup.1 is C(CN).sub.2, C(CO.sub.2 R.sup.e).sub.2, C(SO.sub.2 R.sup.e).sub.2 or C(Ph).sub.2, or R.sup.1 and R.sup.b combined form a fused ring having a C(CN).sub.2, C(CO.sub.2 R.sup.e).sub.2, C(SO.sub.2 R.sup.e).sub.2 or C(Ph).sub.2 group in conjugation with R; R.sup.e is alkyl and Ph is phenyl orR and R.sup.1 are both O; and R.sup.a, R.sup.b, R.sup.c and R.sup.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: April 26, 1994
    Assignee: Loctite Corporation
    Inventor: Shabbir Attarwala
  • Patent number: 5216049
    Abstract: The present invention relates to an antidegradant system comprised of (A) an antidegradant selected from the group consisting of phenolic antidegradants, amine antidegradants and mixtures thereof; and (B) a unique polymerizable synergist. In addition, there is disclosed a stabilized polymer comprising (A) a polymer selected from the group consisting of (1) homopolymers and copolymers of monoolefins; (2) natural rubber; and (3) synthetic rubber derived from a diene monomer; (B) from about 0.05 to about 10 parts by weight based upon 100 parts of polymer of an antidegradant selected from the group consisting of phenolic antidegradants, amine antidegradants and mixtures thereof; and (C) from about 0.05 to about 20 parts by weight based upon 100 parts of polymer of a unique polymerizable aromatic sulfide synergist.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: June 1, 1993
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Dane K. Parker, Gerald O. Schulz
  • Patent number: 5110849
    Abstract: The present invention concerns a thermoplastic polyester resin composition comprising a thermoplastic polyester and a metal alcoholate salt of an aromatic alcohol containing a hydroxy group directly attached to the aromatic ring as the essential ingredient, having a high crystallization rate, excellent moldability upon molding at low temperature, less molecular weight reduction during production and molding of the resin composition, and satisfactory melt degradation stability and hydrolysis resistance.
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: May 5, 1992
    Assignee: Toray Industries, Inc.
    Inventors: Hiroo Karasawa, Kiichi Kometani, Kiyokazu Nakamura