Carbonyl Of A Carboxylic Acid Or Ester Group Directly Attached To An Aryl Group, E.g., Dipropylene Glycol Dibenzoate, Etc. Patents (Class 524/292)
  • Patent number: 5527845
    Abstract: A hot melt adhesive composition is described which possesses properties which are desirable with respect to the construction of disposable articles. The adhesive composition includes about 10% to about 80%, by weight, of an alkali soluble polymer; about 0 to about 30%, by weight, of a poly (vinyl methyl ether); about 30% to about 70%, by weight, of a tackifying resin; and about 5% to about 30%, by weight, of a suitable plasticizer.
    Type: Grant
    Filed: July 15, 1993
    Date of Patent: June 18, 1996
    Inventors: Diane Strelow, Mark Alper
  • Patent number: 5527847
    Abstract: Plasticizers are homogeneously incorporated into finely divided solid polyamides by mechanically agitating a mixture of plasticizers and polyamides at temperatures of at least 80.degree. C. while the polyamide remains in the finely divided solid phase.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: June 18, 1996
    Assignee: Huels Aktiengesellschaft
    Inventors: Salih Mumcu, Weigand Kramer, Wolfgang Kriesten, Hans J. Panoch
  • Patent number: 5523344
    Abstract: Adhesive formulations are blends of aqueous polymer dispersions and a hydrophobic plasticizer. The blended dispersed polymers include at least one hard sulfonated polyester urethane, at least one soft non-sulfonated polyester urethane, and at least one polar non-polyurethane water-based polymer or copolymer. A high molecular weight elastomeric non-sulfonated polyurethane polymer and a crosslinker are optional further components in the blend. The formulations are useful as non-heat activating, one-component adhesives which generate excellent green strength, water and heat resistant bonds.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 4, 1996
    Assignee: H. B. Fuller Licensing & Financing, Inc.
    Inventors: Mike Maksymkiw, Gray Haider, Michael Dochniak, Leonard Jannusch, Paul Wade
  • Patent number: 5486559
    Abstract: The invention relates to an optically non-linear active waveguiding material comprising an optically transparent polymer and a donor group and acceptor group-containing triphenylcarbinol as a dopant. Said dopants have a high hyperpolarizability and have a charge-transfer absorption band which is about the same as that of their corresponding compounds having only one donor-.pi.-acceptor unit. The triphenylcarbinols were found to display good solubility in polymers. Nitro-functionalized triphenylcarbinols are preferred because of their charge-transfer absorption band at a low wavelength (.lambda..sub.max at about 290 nm). Aldehyde-functionalized calix(4)arenes were also found to have this low wavelength charge-transfer absorption band (.lambda..sub.max at about 270 nm). Triphenyls comprising stilbene donor-.pi.-acceptor units are preferred because of their high hyperpolarizability.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: January 23, 1996
    Assignee: Akzo Nobel NV
    Inventors: Johannes F. J. Engbersen, Erik Kelderman, David N. Reinhoudt, Willem Verboom
  • Patent number: 5475056
    Abstract: The invention relates to plastisols which prevent a yellowing of top coats applied thereon, to a process for their preparation and to their use. The plastisols based on PVC or methacryl contain, in addition to basic adhesion promoters, aldehydes, ketones, their derivatives, oligomers or mixtures of same.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: December 12, 1995
    Assignee: Teroson GmbH
    Inventors: Bernhard Koesters, Xaver Muenz, Manfred Asang
  • Patent number: 5466496
    Abstract: Liquid crystal films which are stable to light, moisture and heat, and which have an improved response time and viewing angle are provided by combining ferroelectric liquid crystals and a polymer matrix. The invention further provides for liquid crystal display elements utilizing the liquid crystal films of the invention. Still further, the invention provides methods of producing the liquid crystal films. According to the invention, liquid crystalline polymers having optical anisotropy as a polymer matrix and functional side chain radicals having an asymmetric carbon atom and dipole moment in the polymer matrix are matched with the dipole moment of the ferroelectric crystals.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: November 14, 1995
    Assignee: Samsung Electron Devices Co., Ltd.
    Inventor: Yong W. Jin
  • Patent number: 5459184
    Abstract: Hot melt adhesives of this invention can comprise a water-soluble polyalkylenimine, an hydroxy substituted organic compound, and optimally a plasticizer, a tackifier, and other ingredients. The adhesives are water actuated, and can be water activated, cleaned by aqueous systems, or recycled in aqueous systems.
    Type: Grant
    Filed: April 2, 1985
    Date of Patent: October 17, 1995
    Assignee: H. B. Fuller Company
    Inventors: William L. Bunnelle, Keith C. Knutson, Robert Hume, III
  • Patent number: 5442001
    Abstract: The use of C.sub.1 -C.sub.5 alkyl butyrates, d-limonene, ethylene glycol monobutyl ether and C.sub.5 -C.sub.20 petroleum distillates and normal paraffins in place of methyl chloroform (1,1,1-trichloroethane) in conventional waterborne packaging and converting adhesives provides comparable or better adhesive products with reduced environmental and health related problems.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: August 15, 1995
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: M. Erin Jones, Paul P. Puletti
  • Patent number: 5418279
    Abstract: Stereoregular polystyrenes can be combined with a plasticizer to make a non-PVC plastisol with physical properties comparable to PVC-based plastisols.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: May 23, 1995
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Jie Ren, William P. Roberts, Arthur D. Ketley
  • Patent number: 5399605
    Abstract: There is disclosed a polyester resin composition comprising: (a) 50 to 70 parts by weight of a polyester resin composed mainly of a repeating unit of butylene terephthalate; (b) 30 to 50 parts by weight of a polyester resin composed mainly of a repeating unit of ethylene terephthalate; (c) 0.1 to 10 parts by weight of a polyalkylene glycol derivative having at least one end group of carboxylate and alkyl ether, per 100 parts by the total weight of the polyester resins (a) and (b); and if necessary or required, (d) not more than 120 parts by weight of an inorganic reinforcing agent, per 100 parts by the total weight of the polyester resins (a) and (b).
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: March 21, 1995
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Nori Yoshihara, Yukio Gotoh
  • Patent number: 5387633
    Abstract: Copolymers of styrene and sodium styrene sulfonate can be combined with a plasticizer to make a non-PVC plastisol sealant for containers.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: February 7, 1995
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Richard W. Bush, Eugene E. Carney, Shao-Hai Wu, Felek Jachimowicz, Timothy G. Grasel, Tsutomu Takeuchi
  • Patent number: 5300237
    Abstract: The amino groups of an organopolysiloxane are reacted with an acrylic acid or ester compound to provide a fiber-treating composition which is almost completely free of yellowing, while at the same time being characterized by an excellent softness and smoothness.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: April 5, 1994
    Assignee: Dow Corning Toray Silicone Co., Ltd.
    Inventors: Isao Ona, Masaru Ozaki
  • Patent number: 5284886
    Abstract: Non-toxic polymeric compositions suitable for use in the handling and packaging of foods, beverages or pharmaceuticals, or for use in medical devices, are stabilized against thermal and oxidative degradation with a organosulfide antioxidant having no more than 5 parts per million of free mercaptan groups.
    Type: Grant
    Filed: July 24, 1991
    Date of Patent: February 8, 1994
    Assignee: Elf Atochem North America, Inc.
    Inventors: James L. Reilly, Joseph M. Bohen
  • Patent number: 5271866
    Abstract: A liquid-crystalline polymer composition comprising a ferroelectric liquid-crystalline polymer and a low molecular weight liquid-crystalline compound which exhibits smectic C phase or chiral smectic C phase. Such liquid-crystalline polymer compositions have not only excellent moldabilities such as ease of orientation, but also exhibit chiral smectic C phase at wide temperature range within room temperatures and exhibit high speed response to changes of external fields and high contrast ratios when they are used for optical display elements.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: December 21, 1993
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Shunji Uchida, Kazuharu Morita, Kenji Hashimoto
  • Patent number: 5269963
    Abstract: A liquid-crystalline polymer composition comprising a ferroelectric liquid-crystalline polymer and a low molecular weight liquid-crystalline compound which exhibits smectic C phase or chiral smectic C phase. Such liquid-crystalline polymer compositions have not only excellent moldabilities such as ease of orientation, but also exhibit chiral smectic C phase at wide temperature range within room temperatures and exhibit high speed response to changes of external fields and high contrast ratios when they are used for optical display elements.
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: December 14, 1993
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Shunji Uchida, Kazuharu Morita, Kenji Hashimoto
  • Patent number: 5182322
    Abstract: A stable binder latex that is substantially free from organic solvents useful for preparing coating compositions for application to a substrate which comprises a chlorinated ethylene vinyl acetate copolymer resin containing up to 16% by weight vinyl acetate, optionally containing acrylic acid or methacrylic acid in amounts of from 5 to 15% by weight, a nonionic surfactant that is an alkyl or aryl ester of polyoxyethylene, an alkyl or aryl ester of polyoxyethylene-polyoxypropylene adducts, an alkylphenoxy polyoxyethylene, or an alkylphenoxy polyoxypropylene-polyoxyethylene adduct that coats microscopic particles of the chlorinated ethylene vinyl acetate copolymer resins thereby preventing the particles from coalescing, and water, preferably the composition contains a low molecular weight plasticizer.
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: January 26, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James W. Dawes
  • Patent number: 5120778
    Abstract: A thermoplastic molding composition is disclosed which contains a homogeneous blend of a polycarbonate resin, a graft-modified olefin rubber and, a particular flame retardant package containing a salt, halogenated phthalimine, polytetrafluoroethylene and an oligomeric carbonate. The composition was found to be suitable for preparing molded articles having an excellent level of flame resistance and impact properties.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: June 9, 1992
    Assignee: Miles Inc.
    Inventors: Ronald L. Price, Charles E. Lundy, Sivaram Krishnan
  • Patent number: 5110892
    Abstract: Stirrable reactive polyurethane adhesive compositions are packaged in a single container by separating the reactive components with a disperable barrier layer so as to delay reaction until the entire adhesive composition is stirred together.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: May 5, 1992
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventor: Malcolm Graham
  • Patent number: 5064932
    Abstract: Novel poly(keto-esters) having carbonyl and oxycarbonyl units randomly combined with linking units derived from olefinic monomers to form an essentially straight-chain polymer backbone are provided. The poly(keto-esters) are produced by converting a portion of the carbonyl functionality of a polyketone to oxycarbonyl groups. The conversion is achieved by reacting the polyketone with an organic peroxyacid in an inert liquid medium at a temperature from -20.degree. C. to 150.degree. C.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: November 12, 1991
    Assignee: Quantum Chemical Corporation
    Inventors: Biau-Hung Chang, Lester Y. Lee, Jack Kwiatek
  • Patent number: 4973620
    Abstract: A composition and method for treating fibers is based on a mixture of an organopolysiloxane having at least one amino-substituted hydrocarbon radical directly bonded to a silicon atom and a carboxylic acid containing at least one ethylene oxide unit. The carboxylic acid reacts with the amino radicals to reduce yellowing and oxidation of the fiber treatment. The composition and method provide non-yellowing fibers and a treatment agent that does not gel during use, such as when exposed to carbon dioxide and/or used to treat carbon fibers.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: November 27, 1990
    Assignee: Toray Silicone Company, Ltd.
    Inventors: Isao Ona, Masaru Ozaki, Hidetoshi Kurusu
  • Patent number: 4961967
    Abstract: There is disclosed a primer composition for improving the adhesion between a solid sustrate and a thermosetting or thermoplastic polymer. The composition comprises (A) an epoxy or mercapto functional organosilicon compound, (B) an alkoxymethyltriazine and (C) a difunctional aromatic compound in which the functionality is independently selected from hydroxyl, amino or carboxyl groups. The compositions of the present invention provide substantially improved wet and dry adhesion of polymers to metallic, mineral or plastic substrates.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: October 9, 1990
    Assignee: Dow Corning Corporation
    Inventor: Edwin P. Pluddemann
  • Patent number: 4960812
    Abstract: Polyester resin compounds useful as plastic materials which demonstrate good surface characteristics, excellent physical properties and outstanding formability, particularly when processed at a temperature lower than 100.degree. C. are disclosed. Superior characteristics are achieved by accelerating the speed of crystallization thereof by incorporating additives so that crystallization is completed throughout the product.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: October 2, 1990
    Assignee: Sam Yang Co., Ltd.
    Inventors: Han S. Youn, Kim Dong, II, Choi I. Gyu
  • Patent number: 4957960
    Abstract: An encapsulating composition for electronic devices comprises a curable material such as a silicone resin and an ion scavenger compound selected from certain calixarene or oxacalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.
    Type: Grant
    Filed: January 30, 1990
    Date of Patent: September 18, 1990
    Assignee: Loctite (Ireland) Ltd.
    Inventors: Stephen J. Harris, John G. Woods, John M. Rooney, Marueen G. MacManus, John Guthrie
  • Patent number: 4950702
    Abstract: This invention discloses new plastisol compositions characterized by low viscosity at both low and high shear rates comprising a polyvinyl resin plasticized with dipropylene glycol monomethyl ether benzoate or tripropylene glycol monomethyl ether benzoate.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: August 21, 1990
    Assignee: Velsicol Chemical Corporation
    Inventor: William David Arendt
  • Patent number: 4935461
    Abstract: An aqueous marking pen ink for writing boards comprising an aqueous vehicle containing a resin, an ester compound and a pigment dispersed in said aqueous vehicle, said resin being selected from the group consisting of the specific polymers and said ester compound being selected from the group consisting of the specific compounds. The marking pen produces writings or markings which are easily erased with dry erasers.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: June 19, 1990
    Assignee: Pilot Ink Co., Ltd.
    Inventor: Hiroyuki Nakamura
  • Patent number: 4923916
    Abstract: Tetrahalophthalate esters are disclosed herein as flame retardant processing aids for polystyrene resins.
    Type: Grant
    Filed: July 19, 1988
    Date of Patent: May 8, 1990
    Assignee: Pennwalt Corporation
    Inventors: Joseph M. Bohen, Ronald F. Lovenguth
  • Patent number: 4908399
    Abstract: An encapsulating composition for electronic devices comprises a curable material such as an epoxy resin and an ion scavenger compound selected from certain calixarene or oxycalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: March 13, 1990
    Assignee: Loctite (Ireland) Ltd.
    Inventors: Stephen J. Harris, Maureen G. MacManus, John Guthrie
  • Patent number: 4873271
    Abstract: The invention relates to thermoplastic polycarbonate molding compositions which are rendered improved resistance to gamma-radiation by the incorporation therewith of about 0.05 to about 5.0 percent by weight of an ester of poly(alkylene)oxide conforming to ##STR1## wherein R is a C.sub.1 -C.sub.20 alkyl, aryl or alkylaryl, Y denotes a hydrogen atom or a C.sub.1 -C.sub.6 alkyl radical, and X is about 1 to 40, preferably 5 to 30.The compositions of the invention exhibit excellent resistance to yellowness and formation of haze which commonly characterize gamma irradiated articles molded from polycarbonate.
    Type: Grant
    Filed: April 25, 1989
    Date of Patent: October 10, 1989
    Assignee: Mobay Corporation
    Inventors: Charles E. Lundy, Sivaram Krishnan
  • Patent number: 4857573
    Abstract: Plastic material compositions which comprise a plastic material matrix containing a benzhydrol-tetracarboxylic acid tetraester as a plasticizer are disclosed. The plasticizer is firmly anchored within the matrix such that migration of the plasticizer, and any other optionally present matrix components having a molecular weight of at least 100, are inhibited within the matrix. The plasticizer and matrix components are inhibited from eluting from the matrix when the matrix is brought in intimate contact with a liquid or solid material. These compositions are particularly useful as shaped bodies possessing highly elastic and adhesive characteristics.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: August 15, 1989
    Assignee: Firma Willi Moller
    Inventors: Wilhelm Simon, Urs Oesch
  • Patent number: 4845142
    Abstract: Optical devices such as optical disk substrates and lenses are prepared by molding a resin composition comprising 100 parts by weight of a mixture of 30 to 70% by weight of a polymer in which 50% by weight or more is composed of aromatic vinyl monomer units and 70 to 30% by weight of a polyphenylene ether, and 0.005 to 2 parts by weight of an organic carboxylic acid.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: July 4, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masahiro Niwano, Kenji Manabe
  • Patent number: 4826903
    Abstract: Composition useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising molding grade linear or unsaturated polyester or polycarbonate (a) containing a mono-4-acryloxystyryl or bis-4-acyloxystyryl compound or (b) having reacted therewith or copolymerized therein a styryl residue derived from a mono-4-acryloxystyryl or bis-4-acyloxystyryl compound, having the formula ##STR1## wherein R.sup.4 and R.sup.5 represent the acyl radical and the other radicals are as defined in the specification.Preferred compositions comprise a linear polyester containing a styryl residue as an integral part of the polymer chain. The styryl residues absorb ultraviolet radiation in the range of about 250 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: May 2, 1989
    Assignee: Eastman Kodak Company
    Inventors: Max A. Weaver, Samuel D. Hilbert, Wayne P. Pruett, Clarence A. Coates, Jr.
  • Patent number: 4818779
    Abstract: The present invention relates to water-borne emulsion adhesives based on polymers or copolymers of vinyl acetate and having uniformly dispersed therein an adhesion promoter consisting essentially of an alkoxysilane and up to about 80% by weight of a plasticizer for the poly(vinyl acetate). The alkoxysilane useful herein may be selected from ##STR1## in which R is independently selected from alkyl or alkoxyalkyl radicals having 1-4 carbon atoms. The modified adhesives have improved bond strength to wood, particularly after exposure to moisture.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: April 4, 1989
    Assignee: Dow Corning Corporation
    Inventors: Gerald L. Witucki, Edwin P. Plueddemann
  • Patent number: 4795771
    Abstract: A polyester composition wich comprises(a) 100 parts by weight of a polyester containing at least 80 mol % of ethylene terephthalate repeating unit,(b) 1 to 15 parts by weight of a carboxylic acid ester of a polyalkylene glycol or its derivative,(c) 0.01 to 10 parts by weight of an epoxy compound having a polyoxyalkylene chain, and(d) 0.1 to 50 parts by weight of an inorganic filler.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: January 3, 1989
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventor: Nori Yoshihara
  • Patent number: 4783496
    Abstract: Shaped bodies of plastic material have a high elasticity and high adhesive characteristics if they contain, referred to the percentage of the plastic material of said shaped bodies, a higher percentage of a benzophenonetetracarboxylic acid tetraester. In said benzophenone-tetracartoxylate the ester forming alcohol component is an alkanol, alkenol or alkynol having 4-24 carbon atoms. The shaped bodies can be adhered to a substrate by pressing them onto it. The inventive shaped bodies are preferably strands, fibers, filaments or foils, for example foils for the packaging of products. Preferred shaped bodies are ion sensitive membranes for the determination of the concentration of ions and said membranes contain furthermore an ion selective component for the ion to be determined.Solutions of the inventive shaped bodies in a volatile organic solvent can be applied to a substrated and after the solvent is evaporated there remains on the substrate a firmly adherent elastic film.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: November 8, 1988
    Assignee: Willi Moller
    Inventors: Wilhelm Simon, Urs Oesch
  • Patent number: 4698382
    Abstract: Polyvinyl fluoride is plasticized with trimethyltrimellitate or related low molecular weight mellitates or phthalates without exudation.
    Type: Grant
    Filed: September 30, 1986
    Date of Patent: October 6, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: George R. McClure, Eustathios Vassiliou
  • Patent number: 4666965
    Abstract: Disclosed is a flame-retardant glass-fiber-reinforced polyethylene terephthalate resin composition formed by blending (A) a polyethylene terephthalate resin, (B) glass fibers, (C) a nucleating agent, (D) a monoepoxy compound having a specific chemical structure and/or a benzoic acid ester having a specific chemical structure, (E) a bromine-containing polymeric flame retarder having aromatic rings in the polymeric side chains, and (E) an antimony oxide in specified proportions.This resin composition has a very high degree of crystallizability and can yield molded articles having excellent appearance, mechanical strength, heat distortion resistance and flame retardancy.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: May 19, 1987
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventor: Yoshihisa Aoki
  • Patent number: 4624972
    Abstract: Carbonate polymer compositions are rendered gamma ray resistant by the incorporation of 0.1 to 10 percent by weight of the esters of aromatic polycarboxylic acids such as terephthalic, isophthalic, phthalic, trimellitic, hemimellitic, trimesic, and prehnitic acids with the monoalkyl or monoaryl ethers of polyglycols. The compositions have reduced yellowing after exposure to cobalt 60 radiation.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: November 25, 1986
    Assignee: The Dow Chemical Company
    Inventor: Vaughn M. Nace
  • Patent number: 4620026
    Abstract: A composition having utility as a plasticizer for halogen-containing resins is a mixture of (a) at least two diesters of terephthalic acid or (b) at least two triesters of trimellitic acid. The diesters of terephthalic acid are represented by the general formula ##STR1## wherein R.sub.1 is a phenyl radical or an aliphatic hydrocarbon radical of the formula C.sub.n H.sub.m, wherein n is an integer of 1 through 8 inclusive and m is equal to 2n+1; R.sub.2 is either hydrogen or an aliphatic hydrocarbon having one, two, three or four carbon atoms; x is an integer of 2 to 4 inclusive; y is an integer of 2 to 4 inclusive;The trialkyl esters of trimellitic acid are represented by the general formula ##STR2## wherein R.sub.1 is a phenyl radical or an aliphatic hydrocarbon radical of the formula C.sub.n H.sub.m wherein n is an integer of 1 through 8 inclusive and m is equal to 2n+1; R.sub.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: October 28, 1986
    Assignee: The Dow Chemical Company
    Inventor: Sanford A. Siegel
  • Patent number: 4619990
    Abstract: Polymeric dyes having pendent chromophore groups which are selected from azo, tricyanovinyl, anthraquinone, methine, and indoaniline groups fall into two classes, [A] condensation polymers, and [B] polymers derived from copolymerized ethylenically-unsaturated monomers, the dyes being capable of undergoing thermoplastic deformation by a focused laser beam when in a layer of thickness in the range of 0.1 to 100 micrometers and having an absorptivity in the range of 10 to 250 Lg.sup.-1 cm.sup.-1. They are film-forming, thermally- and light-stable, and solvent-coatable. These compounds are useful as coloring and light-absorbing agents, particularly as the light-absorbing agents in thin optical recording layers.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: October 28, 1986
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Mohamed A. Elmasry
  • Patent number: 4608418
    Abstract: Thermoplastic hot melt compositions and process for forming such compositions are disclosed. The compositions comprise a polyurethane having at least one plasticizer reacted therein formed by heating a reaction mixture comprising at least one isocyanate having a functionality less than about 2, at least one long chain polyol, at least one chain extender and the at least one plasticizer at a temperature of at least about 330.degree. F. where the components are present in an amount as defined in the specification. The process is adequately reflected by the above language.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: August 26, 1986
    Assignee: Gensco Inc.
    Inventors: Richard W. Czerwinski, Larry D. Osterberger
  • Patent number: 4605694
    Abstract: Disclosed are plasticized compositions comprising polyvinylchloride, a trimellitate ester, and a pentaerythritol alkanoic acid ester.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: August 12, 1986
    Assignee: Hercules Incorporated
    Inventor: John F. Walker
  • Patent number: 4598107
    Abstract: Disclosed is a method of forming a slurry for casting into ceramic green sheets. Starting from selected quantities of a solvent, plasticizer, polymeric binder material, frit and aluminum oxide, a low viscosity pre-mix is formed by combining predetermined portions of the solvent and binder material and all of the plasticizer. The remaining portions of the solvent and binder material are combined into a post-mix. Next, the pre-mix and frit are milled in a ball mill. Then the aluminum oxide is added to the ball mill in steps using predetermined portions and milled for predetermined periods of time to achieve the desired degree of aluminum oxide deagglomeration and particle packing density. Finally, the post-mix is added to the ball mill and milled to obtain the final slurry.
    Type: Grant
    Filed: August 7, 1985
    Date of Patent: July 1, 1986
    Assignee: International Business Machines Corporation
    Inventors: Lester W. Herron, Robert W. Nufer
  • Patent number: 4584215
    Abstract: Polyvinylidene fluoride compositions have their flexibility improved by incorporation therewith of a minor proportion of one or more esters formed between at least one aliphatic diol such as 2,2-dimethyl 1,3-propanediol, a polyethylene glycol, propylene glycol, a polypropylene glycol, tetramethyleneglycol, a polytetramethyleneglycol or an aliphatic triol such as glycerol, and a monocarboxylic acid of aliphatic chain containing 2 to 10 carbon atoms or a monocarboxylic acid of aromatic radical such as benzoic acid. Polyvinylidene fluorides of improved flexibility are particularly useful for manufacturing flexible tubes for conveying various fluids such as, for example, hot water, chemical products, hydrocarbons.
    Type: Grant
    Filed: March 6, 1985
    Date of Patent: April 22, 1986
    Assignee: Institut Francais du Petrole
    Inventors: Anne Bre, Marc Mollard, Maseh Osgan
  • Patent number: 4560720
    Abstract: Medical articles made of a resin composition comprising a polyvinyl chloride and a tetracarboxylic tetraester are provided. As examples of the tetracarboxylic tetraester are mentioned tetra(2-ethylhexyl) 3,3',4,4'-biphenylethertetracarboxylate, tetra(2-ethylhexyl) 3,3',4,4'-biphenylmethanetetracarboxylate, tetra(n-dodecyl) 2,3,3',4'-biphenyl-1,1-ethanetetracarboxylate, tetra(2-ethylhexyl) 3,3',4,4'-biphenyl-2,2-propanetetracarboxylate and the like. The tetracarboxylic tetraester is incorporated in an amount from 20 to 120, preferably from 30 to 100 parts by weight per 100 parts by weight of the polyvinyl chloride. As dissolution and migration to the surface of the article of the plasticizer tetracarboxylic tetraester are low in the medical articles, said medical articles produce no adverse effects upon body fluids such as blood when contacted. Examples of preferred medical articles are blood preservation vessels, catheters and blood transfusion sets.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: December 24, 1985
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Juuro Aoyagi, Toshiji Ichikawa, Mikio Koide, Takeshi Shimomura
  • Patent number: 4556683
    Abstract: A pigment dispersing resin which essentially consists of a modified polymer obtained by introducing at least one of acidic groups and basic groups into a polymeric polyol of star-shaped structure prepared by reacting a polyol having at least four hydroxyl groups per molecule with an epoxide, the resin being compatible with pigments and vehicle resins, and a pigment dispersed paste which comprises the pigment dispersing resin and a pigment, the pigment dispersed paste being low in viscosity over a long period of time.
    Type: Grant
    Filed: August 18, 1983
    Date of Patent: December 3, 1985
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Yoji Hirasawa, Shoji Ikeda
  • Patent number: 4532293
    Abstract: .alpha.-cyanoacrylate instant adhesive compositions obtained by adding benzophenonetetracarboxylic acid or anhydride thereof to .alpha.-cyanoacrylate and showing superior heat resistance of the degree of 150.degree. C. with keeping instant adhesive capacity.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: July 30, 1985
    Assignee: Kabushiki Kaisha Alpha Giken
    Inventors: Takayuki Ikeda, Kazuo Kouhara, Minoru Sasaki
  • Patent number: 4518731
    Abstract: The kinetics of crystallization of high polymers from the molten state is modified by adding to the polymers before the thermoforming step low amounts of a nucleating agent consisting of solid particles of crystalline zeolites treated with high-boiling acrylcarboxylic acid or sulphonic acid.
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: May 21, 1985
    Assignee: Montedison S.p.A.
    Inventors: Valentino Zamboni, Corrado Brichta, Claudio Troglia
  • Patent number: 4489188
    Abstract: The present invention relates to a novel coating composition which contains a coalescent. The coating composition comprises a latex of a normally solid organic addition polymer and a coalescing amount of an ether-ester solvent having formula (I) or (II) ##STR1## where R represents hydrogen or an alkyl group of 1 to 4 carbon atoms, R' represents a C.sub.1 -C.sub.4 alkyl group, and n is 1 or 2. Preferred coalescents include 2-ethoxyethyl p-toluate, 2-ethoxyethyl benzoate, 2-(2-ethoxyethoxy)ethyl p-toluate, 2-(2-ethoxyethoxy)ethyl benzoate, 2-propoxyethyl o-toluate, 2-propoxyethyl benzoate, 2-ethoxyethyl o-toluate, 2-methoxy-1-methylethyl benzoate and mixtures thereof. In preferred embodiments, the organic addition polymer comprises an acrylic homopolymer or copolymer. The coating composition preferably comprises about 5-50 parts by weight of the ether-ester solvent per 100 parts of the organic addition polymer.
    Type: Grant
    Filed: October 26, 1983
    Date of Patent: December 18, 1984
    Assignee: Eastman Kodak Company
    Inventors: Glenn C. Jones, Larry J. Culver
  • Patent number: 4472537
    Abstract: There are disclosed thermoplastic inks in the nature of high viscosity, tacky pastes which exhibit high cohesive strength, high pressure sensitivity at low temperatures, high thermal stability and low affinity for silicone surfaces. These properties make the inks particularly useful in those printing processes involving multiple elastomeric transfer members, in particular, those processes wherein silicone transfer members print successive colors onto a silicone collector which in turn transfers the multicolored print in a single step to ware or decal paper. The ink formulations consist essentially, in weight percent, of:(a) 50-80% of a pigmented, vitreous, inorganic flux;(b) 2-20% of a selected organic polymer;(c) 5-25% of a selected plasticizer;(d) 2-20% of a selected amorphous tackifying resin; and optionally,(e) up to 20% of an organic wax.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: September 18, 1984
    Assignee: Corning Glass Works
    Inventors: Ronald E. Johnson, Lung-ming Wu
  • Patent number: RE32334
    Abstract: Polyethylene terephthalate resin compositions containing filler or reinforcing agent, a selected sodium or potassium salt of a hydrocarbon acid or a salt of a selected organic polymer containing pendant carboxyl groups, and a selected low molecular weight organic ester, ketone, sulfone, sulfoxide, nitrile or amide. Articles molded from the compositions have high gloss when molded at temperatures below 110.degree. C.
    Type: Grant
    Filed: March 11, 1986
    Date of Patent: January 20, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Edward J. Deyrup