Ester Derived From Dicarboxylic Acid Patents (Class 524/314)
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Patent number: 6869985Abstract: Polymeric materials and products, including sheet flooring materials prepared from the polymeric materials, and processes for preparing the polymeric materials, are disclosed. The polymeric materials include a polylactic acid-based polymer in combination with plasticizer and a compatibilizer, and optionally include a filler. The polymeric material can include between about 30 to about 50 percent by weight polyvinyl chloride, polyethylene glycol, polyglycolide, ethylene vinyl acetate, polycarbonate, polycaprolactone, polyhydroxyalkanoates, or polyolefins modified with polar groups, for example, ionomers. The plasticizer is typically an epoxidized vegetable oil or esterified and epoxidized vegetable oil and is typically present in an amount of between about 10 and about 50% by weight. In some embodiments, the compatibilizer is a polyolefin modified with one or more polar functional groups, and is typically present in an amount of between about 5 and about 10% by weight.Type: GrantFiled: November 26, 2002Date of Patent: March 22, 2005Assignee: AWI Licensing CompanyInventors: Amar Kumar Mohanty, Lawrence T. Drzal, Brian P. Rook, Manjusri Misra
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Patent number: 6849675Abstract: A golf ball comprising a core and a cover layer, wherein at least one of the core or cover layer comprises a plasticized polyurethane composition comprising at least one polyurethane and at least one plasticizer.Type: GrantFiled: January 23, 2002Date of Patent: February 1, 2005Assignee: Acushnet CompanyInventor: Michael J. Sullivan
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Patent number: 6815469Abstract: A biodegradable, injectable oligomer-polymer composition is described, which consists of a combination of at least two biologically degradable inert materials and at least one biologically active ingredient. The inventive, oligomer-polymer composition coagulates when injected into the body of a mammal and forms an implant, from which the biologically active ingredient is released. The rate of release can be adjusted by controlling the type and amount of the ingredients of the oligomer-polymer composition.Type: GrantFiled: January 16, 2002Date of Patent: November 9, 2004Assignee: Jenapharm GmbH & Co. KGInventors: Christoph Voelkel, Manuela Pfeiffer, Sabine Fricke
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Patent number: 6803443Abstract: A lactic acid polyester (III), having a lactic acid unit (I) and a polyester unit (II) at a weight ratio within the range of 10:90 to 90:10, a weight average molecular weight of 10,000 or more, and a glass transition temperature of 60° C. or below, imparts superior impact resistance to polyhydroxy carboxylic acids while maintaining superior flexibility and transparency and with minimal occurrence of bleedout.Type: GrantFiled: November 20, 2001Date of Patent: October 12, 2004Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Toshirou Ariga, Katsuji Takahashi, Masao Kamikura, Shouji Imamura, Takashi Mihara
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Patent number: 6797107Abstract: A solid cyanoacrylate adhesive composition is disclosed which can be applied to a substrate in solid form and which polymerizes into an adhesive polymer upon liquefying. Preferably the solid cyanoacrylate composition liquefies at temperatures slightly above room temperature and polymerizes upon liquification. &egr;-caprolactones are used as a solidifying polymer with cyanoacrylate monomers and other additives to form the solid cyanoacrylate adhesive composition. The solid cyanoacrylate adhesive composition is easy to apply, especially stable in solid form and is capable of use in a variety of industrial, consumer and medical applications.Type: GrantFiled: May 2, 2003Date of Patent: September 28, 2004Assignee: Chemence, Inc.Inventor: Dimiter L. Kotzey
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Patent number: 6790891Abstract: Environmentally safe, e.g. biodegradable, paint stripper compositions comprising 10-99 parts dimethyl esters of C4-C6 aliphatic dibasic acids, 0.1-40 parts polyvinyl butyral and 1-90 parts water. The compositions can be mixed, e.g. in high shear to provide stable emulsions which strip paint, e.g. varnish from wood. Certain embodiments of the invention also comprise water soluble organic solvents, water-miscible organic solvents, surfactants, emulsifiers, thickeners and/or pigments.Type: GrantFiled: April 16, 2003Date of Patent: September 14, 2004Assignee: UCB Chip Inc.Inventors: Paul E. Kestyn, Augustin T. Chen, Hong Zhao
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Patent number: 6774158Abstract: The present invention is directed to a polyhydroxyalkanoate copolymer composition that can be readily and quickly processed into extruded and molded articles and film-based products. More specifically, the invention pertains to melt processing of polyhydroxyalkanoates which contain a novel combination of nucleant and plasticizer for enhancing crystallization rates thus causing improved processibility.Type: GrantFiled: March 20, 2002Date of Patent: August 10, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: Garret D. Figuly
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Patent number: 6750278Abstract: The invention is directed towards a PVC resin composition comprising polyvinyl chloride and a plasticizer selected from the group consisting of: i) a non-linear, paraffin-soluble olefin-CO copolymer; ii) an olefin-CO-X terpolymer derived from non-pure feeds; iii) a non-linear olefin-CO copolymer derived from non-pure feeds; and iv) a non-linear CO-X copolymer; wherein X is selected from the group consisting of alpha-olefin, vinyl acetate, neo vinyl ester and mixtures thereof. The invention also provides a method for a preparing the PVC resin composition as well as a product formed using the PVC resin.Type: GrantFiled: September 10, 2002Date of Patent: June 15, 2004Assignee: ExxonMobil Research and Engineering CompanyInventors: Abhimanyu O. Patil, Donald N. Schulz, Manika Varma-Nair, David J. Lohse, Christine A. Costello, Richard H. Schlosberg, Michael G. Matturro
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Publication number: 20040110875Abstract: A polymeric composite is provided which has improved stain preventative properties by virtue of inclusion of at least one compound having multiple functional groups capable of reacting with tannins contained in a tannin containing cellulosic material present in the composite, and a method for its production and prevention of water stains thereon.Type: ApplicationFiled: May 27, 2003Publication date: June 10, 2004Applicant: Certainteed CorporationInventor: Paul Ruede
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Patent number: 6737471Abstract: A solid and/or cellular polyurethane elastomers which are produced using polyester polyols are disclosed. The elastomers which exhibit improved stability to hydrolysis are characterized in that their preparation is carried out in the presence of at least one esters of monobasic carboxylic acid or polybasic carboxylic acids, the (first) dissociation constant (pK) of which is 0.5 to 4.Type: GrantFiled: December 14, 2001Date of Patent: May 18, 2004Assignee: Bayer AktiengesellschaftInventors: Klaus Lorenz, Marc Schütze, Erhard Michels, Alexander Eckhardt
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Patent number: 6723772Abstract: The present invention provides a resin composition comprising 100 parts by weight of a methyl methacrylate resin or styrene resin, about 0.1 to about 20 parts by weight of a light diffusing agent, about 0.0005 to about 0.1 parts by weight of an ultraviolet absorber selected from the group consisting of 2-(1-arylalkylidene) malonates and oxalanilides, and about 0.0001 to about 0.01 parts by weight of a phosphor. This resin composition is used as a material of a light diffusing member showing excellent light diffusible transmittance, having excellent durability and manifesting suppressed yellowing of transmitted light. Further, a laminated plate obtained using this resin composition is suitably used as a lighting cover, light diffusing plate for liquid crystal displays, illumination sign board or the like for which light transmittance and light diffusing property are required and durability is desired.Type: GrantFiled: July 9, 2002Date of Patent: April 20, 2004Assignee: Sumitomo Chemical Company, LimitedInventor: Tomohiro Maekawa
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Publication number: 20040054051Abstract: The polylactic acid composite material of the present invention comprises a polylactic acid, a low molecular weight compound which has an amide group, and a layered clay mineral that is organically modified by means of an organic onium salt. As a result, a polylactic acid composite material that has a sufficiently rapid crystallization rate, and that is superior in terms of heat resistance, moldability and mold release characteristics can be obtained.Type: ApplicationFiled: July 15, 2003Publication date: March 18, 2004Applicants: Kabushiki Kaisha Toyota Chuo Kenkyusho, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Makoto Ouchi, Hirotaka Okamoto, Mitsuru Nakano, Hisato Takeuchi, Arimitsu Usuki, Takeshi Kanamori, Hiroshi Urayama, Hisashi Okuyama, Takashi Inou, Yasumitsu Isobe
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Patent number: 6706942Abstract: Environmentally degradable molded or extruded articles comprising a polyhydroxyalkanoate C4C6 copolymer composition having short annealing cycle times are provided. Such short annealing cycle times are achieved by compositions having a percentage of C6 units of 2-8%. Desirable annealing cycle times are obtained for molded or extruded articles, particularly for tampon applicators.Type: GrantFiled: May 8, 2003Date of Patent: March 16, 2004Assignee: The Procter & Gamble CompanyInventors: Jean Jiangun Zhao, Isao Noda, Gary Wayne Gilbertson, Drew Clifton McAvoy, Brian Francis Gray, David Harry Melik
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Patent number: 6689830Abstract: Compositions comprising at least one acrylic, vinyl acetate or epoxide polymer or copolymer as a film-forming ingredient and an ester of benzoic acid wherein the alcohol portion of the ester is alkyl and contains eight carbon atoms exhibit unexpected improvements in film-forming and applied film properties. In preferred compositions this alcohol portion is 2-ethylhexyl. Additionally, the preferred benzoic acid ester frequently interacts synergistically with benzoic acid esters derived from oligomeric ethylene glycols.Type: GrantFiled: October 15, 1999Date of Patent: February 10, 2004Assignee: Velsicol Chemical CorporationInventors: William D. Arendt, Mark S. Holt, Bruce E. Stanhope, Bruce E. Streeter, Eric R. Zimmerman
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Patent number: 6667354Abstract: Stable and environmentally friendly suspensions of solid particulates are provided through the addition of such solid particulates to a suspension medium which is comprised of a liquid carrier, a liquid carrier soluble resin, an organophyllic clay, and an activator wherein said liquid carrier is a carboxylic acid ester, preferably 2-ethylhexyl oleate, said liquid carrier soluble resin is selected from the group consisting of styrene-isoprene copolymers, styrene ethylene-propylene block copolymers, styrene isobutylene copolymers, styrene butadiene copolymers, polybutylene, polystyrene, polyethylene-propylene copolymers, methyl methacrylate and mixtures thereof, said organophyllic clay is one of kaolinite, halloysite, vermiculite, chlorite, attapullgite, smectite, montmorillonite, bentonite, hectorite, and mixtures thereof and said activator is an alcohol of the formula ROH wherein R is an alkyl group of 1 to 10 carbon atoms.Type: GrantFiled: July 18, 2000Date of Patent: December 23, 2003Assignee: Phillips Petroleum CompanyInventors: Kelly B. Fox, Alvin Evans, Jr.
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Patent number: 6653571Abstract: An electrical insulation material which is suitable for high voltage applications, the material including (a) a polymeric material, and (b) an additive incorporated into the polymeric material, the additive including a compound of the formula: Rf—O2C(CH2)xCO—R′f where Rf and R′f are fluorine-substituted aliphatic chains, and x is an integer in the range 9 to 18.Type: GrantFiled: January 21, 2000Date of Patent: November 25, 2003Assignee: Tyco ElectronicsInventors: Malcolm Neil Whyatt, John David Stoker, Mary Elizabeth Hinton, Stephen Day
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Patent number: 6645282Abstract: A hot melt ink composition containing a an alkylene distearate which improves the color strength of the ink and is formed as a reaction product of a C4-C8 diol and at least one acid selected from the group consisting of a C16-C18 monofunctional acid and a C9-C10 difunctional acid.Type: GrantFiled: January 5, 2001Date of Patent: November 11, 2003Assignee: Sun Chemical CorporationInventors: Edward Stone, Jitendra J. Modi, Robert J. Catena
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Publication number: 20030207972Abstract: Environmentally safe, e.g. biodegradable, paint stripper compositions comprising 10-99 parts dimethyl esters of C4-C6 aliphatic dibasic acids, 0.1-40 parts polyvinyl butyral and 1-90 parts water. The compositions can be mixed, e.g. in high shear to provide stable emulsions which strip paint, e.g. varnish from wood. Certain embodiments of the invention also comprise water soluble organic solvents, water-miscible organic solvents, surfactants, emulsifiers, thickeners and/or pigments.Type: ApplicationFiled: April 16, 2003Publication date: November 6, 2003Inventors: Paul E. Kestyn, Augustin T. Chen, Hong Zhao
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Patent number: 6624222Abstract: Environmentally safe, e.g. biodegradable, paint stripper compositions comprising 10-99 parts dimethyl esters of C4-C6 aliphatic dibasic acids, 0.1-40 parts polyvinyl butyral and 1-90 parts water. The compositions can be mixed, e.g. in high shear to provide stable emulsions which strip paint, e.g. varnish from wood. Certain embodiments of the invention also comprise water soluble organic solvents, water-miscible organic solvents, surfactants, emulsifiers, thickeners and/or pigments.Type: GrantFiled: January 24, 2001Date of Patent: September 23, 2003Assignee: UCB CHIP Inc.Inventors: Paul E. Kestyn, Augustin T. Chen, Hong Zhao
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Patent number: 6617385Abstract: A cyanoacrylate adhesive contains an added ester, the ester used being at least one partial and/or full ester of monobasic or polybasic aliphatic carboxylic acids containing 1 to 5 carbon atoms directly attached to one another and monohydric to pentahydric aliphatic alcohols containing 1 to 5 carbon atoms directly attached to one another, the number of carbon atoms directly attached to one another in the other aliphatic groups being at most three where one aliphatic group contains 4 or 5 carbon atoms.Type: GrantFiled: July 26, 2000Date of Patent: September 9, 2003Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Wolfgang Klauck, Johann Klein, Lydia Duhm, Wolfgang Maier
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Patent number: 6590014Abstract: A polymeric composite is provided which has improved stain preventative properties by virtue of inclusion of at least one compound having multiple functional groups capable of reacting with tannins contained in a tannin containing cellulosic material present in the composite, and a method for its production and prevention of water stains thereon.Type: GrantFiled: June 28, 2001Date of Patent: July 8, 2003Assignee: Certainteed CorporationInventor: Paul Ruede
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Publication number: 20030092809Abstract: The present invention provides a composition for forming a removable coating for an optical substrate. In this form, the composition is an aquesous emulsion having one or more substantially non-polar polymers.Type: ApplicationFiled: November 21, 2002Publication date: May 15, 2003Inventors: Fang Chen, Arambally Natiala Sunder Ram
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Patent number: 6548582Abstract: An inorganic particle-containing composition comprising: (A) inorganic particles; (B) a binder resin; and (C) at least one plasticizer selected from the group consisting of compounds represented by the following formula (1): R1&Parenopenst;O—R2&Parenclosest;mOOC—(CH2&Parenclosest;nCOO&Parenopenst;R3—O&Parenclosest;mR4 (1) wherein R1 and R4 are the same or different alkyl groups having 1 to 30 carbon atoms or alkenyl groups, R2 and R3 are the same or different alkylene groups having 1 to 30 carbon atoms or alkenylene groups, m is an integer of 0 to 5, and n is an integer of 1 to 10, and compounds represented by the following formula (2): wherein R5 is an alkyl group having 1 to 30 carbon atoms or alkenyl group. A transfer film and a plasma display panel production process using the composition are also described.Type: GrantFiled: September 27, 2001Date of Patent: April 15, 2003Assignee: JSR CorporationInventors: Takanori Yamashita, Kenji Okamoto, Jiro Takahashi, Tadahiko Udagawa
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Patent number: 6514626Abstract: A flexible film for packaging articles such as food is provided. The film comprises a layer of polyvinylidene (“PVdC”) homopolymer, polyvinylidene and methyl acrylate (“PVdC-MA”) copolymer or other polyvinylidene chloride copolymer. A dienophile such as, for example, ethyl trans-cinnamate, methyl trans-cinnamate, dibutyl maleate, dimethyl maleate or maleic anhydride is blended with the PVdC polymer or PVdC-MA copolymer to reduce yellowing of the film caused by degradation of the PVdC or PVdC-MA through heat or electron beam irradiation. Preferably a range of about 0.05% and about 5% by weight of the dienophile is added to the PVdC or PVdC-MA.Type: GrantFiled: August 28, 2000Date of Patent: February 4, 2003Assignee: Pechiney Emballage Flexible EuropeInventors: Roger Kaas, Chad Mueller
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Publication number: 20030004232Abstract: A polymeric composite is provided which has improved stain preventative properties by virtue of inclusion of at least one compound having multiple functional groups capable of reacting with tannins contained in a tannin containing cellulosic material present in the composite, and a method for its production and prevention of water stains thereon.Type: ApplicationFiled: June 28, 2001Publication date: January 2, 2003Applicant: Certainteed CorporationInventor: Paul Ruede
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Patent number: 6462113Abstract: Copolymerizates of methyl methacrylate and butyl methacrylate are used as plastisols in the automotive sector and as floor coverings. The invention describes a way to increase the storage stability of the plastisols by using small amounts of cross-linking agents.Type: GrantFiled: December 8, 1997Date of Patent: October 8, 2002Assignee: Roehm GmbH & Co. KGInventors: Wilhelm Elser, Guenther Schmitt, Ursula Rausch, Theodor Mager
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Patent number: 6451910Abstract: An acrylic premix comprising 10 to 90% by weight of (A) an acrylic resin composition consisting of an acrylic mono-functional monomer (a1), an acrylic poly-functional monomer (a2) containing at least one compound represented by any of the following general formulae (I) to (IV), and an acrylic polymer (b); 10 to 90% by weight of an inorganic filler (B); and 0.01 to 10 parts by weight of a curing agent (C) based on 100 parts by weight of the total amount of the components (A) and (B); acrylic artificial marble using the same; and a method for producing the same. The premix is useful for providing an acrylic SMC or BMC having excellent molding property at high temperature, molding processability, thickening property and storage stability.Type: GrantFiled: October 30, 2000Date of Patent: September 17, 2002Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Seiya Koyanagi, Shinji Saiki, Yuichiro Kishimoto
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Patent number: 6420467Abstract: A curable resin composition comprising: (1) a compound having a structure of the formula (A) and/or (B): R2—OOC—R1—COO—R2′ (A) wherein R1 is —(CH2)n— (wherein n is from 4 to 6), or an o-, m- or p-phenylene group, and each of R2 and R2′ is a C1-10 alkyl group, wherein R3 is a C1-4 alkyl group, (2) a polymerizable vinyl monomer, (3) an organic peroxide, (4) a reducing agent, and (5) an elastomer component.Type: GrantFiled: June 24, 1998Date of Patent: July 16, 2002Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Nobuyuki Ohtsuka, Kinpei Iwata, Hideyuki Takahashi, Koichi Taguchi
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Patent number: 6391956Abstract: A polyoxymethylene resin composition comprising: (A) 50 to 99 parts by weight of a polyoxymethylene resin; (B) 1 to 50 parts by weight of a wollastonite having a volume-average particle diameter of 0.5 to 40 &mgr;m; (C) 0.1 to 10 parts by weight of at least one member selected from the group consisting of an ester of an alcohol and a fatty acid, an ester of an alcohol and a dicarboxylic acid, and a compound of a polyoxyalkylene glycol based on 100 parts by weight of the total amount of Component (A) and Component (B); and (D) 0.1 to 10 parts by weight of a polyolefin resin based on 100 parts by weight of the total amount of Component (A) and Component (B). The composition of the present invention provides a molded product which is excellent in resistance to friction and wearing, has high stiffness, repeated impact strength, and small molding strain, and is excellent in gear precision as compared with conventional compositions.Type: GrantFiled: March 14, 2000Date of Patent: May 21, 2002Assignee: Asahi Kasei Kabushiki KaishaInventors: Mitsuhiro Horio, Yuuji Yoshinaga
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Patent number: 6376586Abstract: The invention relates to felxible and tough poly(vinylidene fluoride)-based compositions. They comprise from 0.5 to 10 parts by weight of an elastomer B and from 0.5 to 10 parts by weight of a plasticizer C per 100 parts by weight of a homopolymer (A) of vinylidene fluoride (VF2) or of a copolymer (A) of VF2 and of at least one other monomer copolymerizable with VF2, in which the said monomer is present in an amount of between 0 and 30 parts by weight per 100 parts by weight of VF2 with the additional condition that the sum of B and C is from 1 to 10.5 parts by weight and, on the other hand, in that the homopolymer or the copolymer of vinylidene fluoride, A, is chosen in such a way that it has a melt flow index, measured according to the ISO 1133 standard at 230° C. under a load of 5 kg, of less than 5 g/10 min and a critical modulus GC, at the intersection of the melt shear moduli G′ and G″ measured at 190° C., of between 5 and 22 kPa.Type: GrantFiled: June 11, 1998Date of Patent: April 23, 2002Assignee: Elf Atochem, S.A.Inventors: Thierry Pascal, Bruno Schlund
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Patent number: 6339118Abstract: An inorganic particle-containing composition comprising: (A) inorganic particles; (B) a binder resin; and (C) at least one plasticizer selected from the group consisting of compounds represented by the following formula (1): R1&Parenopenst;O—R2&Parenclosest;mOOC&Parenopenst;CH2&Parenclosest;nCOO&Parenopenst;R3—O&Parenclosest;mR4 (1) wherein R1 and R4 are the same or different alkyl groups having 1 to 30 carbon atoms or alkenyl groups, R2 and R3 are the same or different alkylene groups having 1 to 30 carbon atoms or alkenylene groups, m is an integer of 0 to 5, and n is an integer of 1 to 10, and compounds represented by the following formula (2): wherein R5 is an alkyl group having 1 to 30 carbon atoms or alkenyl group. A transfer film and a plasma display panel production process using the composition are also described.Type: GrantFiled: September 30, 1999Date of Patent: January 15, 2002Assignee: JSR CorporationInventors: Takanori Yamashita, Kenji Okamoto, Jiro Takahashi, Tadahiko Udagawa
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Patent number: 6326426Abstract: Thermoplastic elastomers having improved low temperature properties are provided by incorporating suitable low molecular weight ester plasticizer into blends of crystalline polyolefin homopolymer or copolymer and olefinic rubber. The rubber component of the composition is at least partially cured.Type: GrantFiled: January 13, 1995Date of Patent: December 4, 2001Assignee: Advanced Elastomer Systems, L.P.Inventor: Maria D. Ellul
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Publication number: 20010036988Abstract: Environmentally safe, e.g. biodegradable, paint stripper compositions comprising 10-99 parts dimethyl esters of C4-C6 aliphatic dibasic acids, 0.1-40 parts polyvinyl butyral and 1-90 parts water. The compositions can be mixed, e.g. in high shear to provide stable emulsions which strip paint, e.g. varnish from wood. Certain embodiments of the invention also comprise water soluble organic solvents, water-miscible organic solvents, surfactants, emulsifiers, thickeners and/or pigments.Type: ApplicationFiled: January 24, 2001Publication date: November 1, 2001Inventors: Paul E. Kestyn, Augustin T. Chen, Hong Zhao
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Patent number: 6281298Abstract: The present invention relates to water-based pressure sensitive adhesives comprising at least one water-based polymer and at least one aminoplast resins such as melamine-formaldehyde resins, urea-formaldehyde resins, alkylated melamine-formaldehyde resins and combinations thereof. More particularly, the invention relates to water-based pressure sensitive adhesives comprising the reaction product of aqueous polymer dispersions and water dispersible melamine-formaldehyde resins. The pressure sensitive adhesives are characterized as having enhanced bonding characteristics including loop tack, peel strength, and shear strength making them particularly useful for the manufacture of dry-bonded laminates, tapes, labels, medical patches and devices, flexible packages, furnace ducts, exterior insulating finish system and the like.Type: GrantFiled: August 20, 1999Date of Patent: August 28, 2001Assignee: H. B. Fuller Licensing & Financing Inc.Inventor: George A. Papsin, Jr.
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Patent number: 6271294Abstract: Polymer compositions based on vinylidene fluoride resins which are particularly suitable for the manufacture of pipes for conveying hot hydrocarbons under pressure, comprising by weight; (A) from 60 to 80% of at least one PVDF homopolymer; (B) from 20 to 40% of at least one thermoplastic copolymer of vinylidene fluoride (VF2) and of at least one other fluoramonomer (for example hexafluoropropylene, chlorotrifluoroethylene or trifluoroethylene), containing approximately from 5 to 25% of this other monomer; and (C) a plasticizer, in proportions of 5 to 20% [relative to the total weight of the polymers (A) and (B)], preferably dibutyl sebacate or a polyester of molecular mass of between 1500 and 5000.Type: GrantFiled: January 24, 1994Date of Patent: August 7, 2001Assignee: Solvay (Société Anonyme)Inventors: Pierre Lasson, Yves-Julien Lambert, Yves Vanderveken, Nestor Maquet
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Patent number: 6235825Abstract: A polylactic acid-based resin composition composed of a high molecular ingredient (A) comprising polylactic acid (a1) and an aliphatic polyester (B), and a film, particularly an inflation film, prepared from the resin composition. The film comprising the polylactic acid-based resin composition of the invention is biodegradable and excellent in flexibility and resistance to blocking of film and bleeding-out of plasticizer, has no anisotropy in tear strength, and can be suitably used for an agricultural multi-film and garbage bag. When the film of the invention is used for food wrapping, the film prevents fungus growth and contamination of color or odor, and thus can be suitably used.Type: GrantFiled: October 14, 1999Date of Patent: May 22, 2001Assignee: Mitsui Chemicals, Inc.Inventors: Yasunori Yoshida, Shoji Obuchi, Yasuhiro Kitahara, Takayuki Watanabe, Hisashi Aihara, Tomoyuki Nakata, Kazuhiko Suzuki, Masanobu Ajioka
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Patent number: 6235830Abstract: A composition suitable for slush molding comprising a thermoplastic polyurethane elastomer (A) having a number average molecular weight of 10,000 to 50,000 and a heat softening initiation temperature of 120 to 200° C., a plasticizer (B), a compound (C) containing a radical polymerizable unsaturated group, and optionally an additive. The composition provides a molded article excellent in durability such as thermal/light aging resistance, soft touch at low temperature, and appearance.Type: GrantFiled: September 27, 1999Date of Patent: May 22, 2001Assignees: Sanyo Chemical Industries, Ltd., Toyota Jidosha Kabushiki KaishaInventors: Hideki Ohmori, Yoshitsugu Takai, Junzo Ukai, Hideo Nishimura, Kazuo Kobayashi, Mahito Nomura
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Patent number: 6140400Abstract: Redispersible tackifier powder compositions which are redispersible in water are provided and which are comprised of one or more tackifying substances and from 2 to 50% by weight of one or more water-soluble low molecular weight homo or copolymers of olefinically unsaturated mono or dicarboxylic acids or their anhydrides. The copolymers also contain other free-radically polymerizable monomers. Antiblocking agents can also be present. Adhesives containing the compositions are also provided.Type: GrantFiled: May 20, 1998Date of Patent: October 31, 2000Assignee: Wacker-Chemie GmbHInventors: Reiner Figge, Rudolf Weissgerber
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Patent number: 6111004Abstract: Disclosed are polymeric plasticizers of the formula (1)R.sup.a --C(O)--(O--G--OC(O)--(CH.sub.2).sub.4-12 --C(O)).sub.1-12 --O--G--O--C(O)--R.sup.b (1)wherein R.sup.a and R.sup.b are each C.sub.2 -C.sub.22 straight saturated alkyl groups, and wherein each G group is 1,2-propanediyl or 2-methylpropane-1,3-diyl such that both types of G groups are present in a ratio to each other of 3:1 to 1:3.Type: GrantFiled: January 9, 1998Date of Patent: August 29, 2000Assignee: Velsicol Chemical CorporationInventors: Keith Biesiada, Michael Fisch, Richard Peveler
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Patent number: 6087425Abstract: An aqueous adhesive composition for wet lamination of substrate layers to form a laminated article includes from about 40 weight percent to about 65 weight percent solids dispersed in an aqueous medium, wherein the solids include a polymer having repeating units derived from a vinyl ester monomer and having a glass transition temperature of about -15.degree. C. to about +15.degree. C.; and from about 0.1 parts by weight to about 40 parts by weight of a plasticizer compound per 100 parts by weight of the polymer. A method for making a laminated article includes applying a wet layer of the aqueous laminating adhesive composition of the to a first substrate layer; covering the wet layer of adhesive composition with a second substrate layer; and drying the layer of adhesive composition to form the laminated article. A laminated article includes two substrate layers bonded together by an interposed layer of the dried adhesive composition.Type: GrantFiled: February 18, 1994Date of Patent: July 11, 2000Assignee: Rohm and Haas CompanyInventors: Eric Karl Eisenhart, Bradley Anson Jacobs, Louis Christopher Graziano
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Patent number: 6066697Abstract: A thermoplastic vulcanizate prepared by dynamically vulcanizing a rubber within a blend that comprises the rubber, a fluorine containing thermoplastic, and a vulcanizing agent; wherein the rubber is selected from nitrile rubber, hydrogenated nitrile rubber, amino-functionalized nitrile rubber, acrylonitrile-isoprene rubber, and mixtures thereof.Type: GrantFiled: August 25, 1998Date of Patent: May 23, 2000Assignee: The University of AkronInventors: Aubert Y. Coran, Oansuk Chung
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Patent number: 5981068Abstract: Modified polyolefin fibers capable of easily producing a non-woven fabric having a high strength and a superior feeling, and provided with a broad range of processing temperature and further a low temperature adhesiveness and suitable to heating roll processing, and a non-woven fabric using the same are provided,which fibers are obtained by adhering 0.1 to 1.0% by weight of an oiling agent composed mainly of a dibasic acid ester and/or a fatty acid ester, to polyolefin fibers having an index of birefringence of 0.054 or less, and which non-woven fabric has a strength of 0.85 or higher (Kg/5 cm) at 134.degree. C. and a processing temperature width of 132.degree. to 138.degree. C.Type: GrantFiled: March 26, 1997Date of Patent: November 9, 1999Assignee: Chisso CorporationInventors: Yoshimi Tsujiyama, Masahiko Taniguchi, Hidemi Ito, Masahito Katsuya
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Patent number: 5977223Abstract: A method of manufacturing a thin-walled polyurethane article includes dipping a shaped former into a coagulant solution and subsequently dipping the shaped former into an aqueous-phase polyurethane/plasticizer dispersion wherein the unplasticized polyurethane has a mean particle size of between about 0.5 .mu.m and 1.0 .mu.m and wherein the plasticizer causes the polyurethane particles to swell until they have a mean particle size of between about 1.5 .mu.m and 3.0 .mu.m. Articles so produced have a thickness of between 0.03 mm to 1.0 mm, a tensile strength of between 17 MPa and 60 Mpa and an elongation at break of greater than 650%.Type: GrantFiled: December 12, 1997Date of Patent: November 2, 1999Assignee: Ansell Healthcare Products, Inc.Inventors: Allison Marie Ryan, Jeffery G. Nile, Stanley J. Gromelski, Steven Thomas Hardwick, Richard Milner, Paul Cacioli
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Patent number: 5973042Abstract: There is provided a highly water-absorptive polymer composition comprising:(A) 100 parts by weight of a highly water-absorptive polymer having a crosslinked structure, comprising as its constituent a carboxyl group and/or a carboxylate group; and(B) 0.05 to 10 parts by weight of an additive selected from the group consisting of an oxalic acid (salt) compound, a sulfate of a metal selected from titanium, zirconium and vanadium, and a crystalline or noncrystalline, high-purity particulate titania having a mean particle diameter of 1 .mu.m or less, a specific surface area of 10 m.sup.2 /g or more as determined by the Brunauer-Emmett-Teller method, and, when crystalline, a crystal structure of a mixed type of rutile and anatase.Type: GrantFiled: June 11, 1996Date of Patent: October 26, 1999Assignee: Mitsubishi Chemical CorporationInventors: Kenji Yoshinaga, Shozo Kitagawa, Toshiko Nakamura, Miho Tanaka, Kiichi Ito
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Patent number: 5962560Abstract: The present invention relates to a low VOC solvent based adhesive comprising a mixture of at least two organic solvents and a thermoplastic resin. Desirably the adhesive has a flash point of at least 100.degree. F. when measured in accordance with ASTM D3828-87. The solvent blend of the low VOC solvent based adhesive of the instant invention volatilizes at substantially reduced rates as compared to conventional solvent blends in solvent based adhesives. Furthermore, this novel low VOC solvent based adhesive is easy to apply, cost effective, and cures within a reasonable time without the use of heat, ultraviolet light or other mechanical devices. In addition, the novel low VOC solvent based adhesive has good storage stability in metal or non-metal containers.Type: GrantFiled: August 14, 1998Date of Patent: October 5, 1999Assignee: The B.F. Goodrich CompanyInventors: Carmen D. Congelio, Andrew M. Olah
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Patent number: 5955519Abstract: The subject of the present invention is the use of at least one alkyl ester of adipic acid in a polyvinyl chloride (PVC) composition for the production of products made from biocompatible material, in particular blood lines, to increase the resistance of these products to irradiation with penetrating rays.Type: GrantFiled: May 28, 1998Date of Patent: September 21, 1999Assignee: Hospal AGInventor: Roberto Neri
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Patent number: 5948832Abstract: Provided are a resin composition improved in utilization of active compound by controlling the bleeding of the active compound low in vaporizability and a molded product obtained from the resin composition. The resin composition comprises 100 parts by weight of a resin, 0.01-200 parts by weight of an active compound and 0.1-100 parts by weight of a vaporizable plasticizer having a vapor pressure of 0.001 mmHg or higher at 20.degree. C., and the vapor pressure (P1) of the vaporizable plasticizer at 20.degree. C. and the vapor pressure (P2) of the active compound at 20.degree. C. satisfy the formula: P1/P2.gtoreq.2.Type: GrantFiled: July 9, 1996Date of Patent: September 7, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuhiro Nagamatsu, Hiroki Nakata, Takanori Kume, Tadashi Sakurai
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Patent number: 5948709Abstract: Oil resistant adhesive compositions and nonwoven articles comprising an adhesive prepared from polymeric dimer fatty acid polyamide resins which are especially suited for use in the elastic attachment of disposable nonwoven products and particularly for leg or waist bond closures for disposable products such as diapers are disclosed.Type: GrantFiled: April 10, 1998Date of Patent: September 7, 1999Assignee: National Starch and Chemical Investment Holding CorporationInventors: Charles W. Paul, Gary F. Raykovitz
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Patent number: 5939514Abstract: The present invention relates to the preparation of water based coating compositions having extended storage stability. The composition includes separately stored polymeric binder component and a crosslinking component.These components are mixed prior to application over surfaces, such as, road surfaces. The polymeric binder component includes an anionically stabilized binder polymer having at least one reactive functional pendent moiety, or a blend of the binder polymer with a polyfunctional amine. The pot mix of the coating composition has extended storage stability. The waterborne road marking paints of the present invention exhibit improved wear resistance on road surfaces in terms of paint remaining on the road longer than waterborne road marking paints based on the storage stable component alone. The present invention provides road marking paints that can be applied by conventional road striping equipment and do not require special two component spray equipment.Type: GrantFiled: August 5, 1997Date of Patent: August 17, 1999Assignee: Rohm and Haas CompanyInventors: Ward Thomas Brown, Donald Craig Schall, Francis Joseph Landy, Ann Robertson Hermes
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Patent number: 5863646Abstract: A liquid coating composition, comprising (a) from about 5 to 100 percent of resin solids of a mixture of (i) a substantially saturated polyhydroxylated polydiene polymer, having terminal hydroxyl groups, and (ii) a chlorinated polyolefin, wherein the weight of the polydiene polymer is between about 5 and 95 percent of the total weight of the mixture of polyhydroxylated polydiene polymer and chlorinated polyolefin; (b) about 0 to about 95 percent by weight of resin solids of a film forming polymer selected from liquid and carrier-reducible film forming polymers; and (c) a carrier material. The liquid coating composition can be solvent-based or aqueous based and can additionally contain at least on pigment. The liquid coating composition can be coated onto plastic substrates to improve the adhesion of subsequently applied coatings and to substantially improve the solvent resistance, especially to gasoline, of the finally coated plastic part.Type: GrantFiled: March 25, 1996Date of Patent: January 26, 1999Assignee: PPG Industries, Inc.Inventors: Christopher A. Verardi, Lawrence D. Meyers, William A. Humphrey