Group Iia Metal (be, Mg, Ca, Sr, Ba) Patents (Class 524/400)
  • Patent number: 5073584
    Abstract: Proposed is a processing additive for halogen-containing polymers, in particular for polyvinyl chloride, with a content of a synthetic, crystalline, finely particulate alkali metal alumo silicate containing 13 to 25 percent by weight of bound water, which--in its anhydrous form--is of the composition (0.7-1.1) Me.sub.2 O.Al.sub.2 O.sub.3 .times.(1.3-2.4) SiO.sub.2, Me standing for an alkali metal, wherein the alkali metal alumo silicate is present in combination with at least one isocyanuric acid derivative of the formula ##STR1## wherein each n stands for an integer from 0 to 5, preferably from 0 to 3, each X represents H or a straight or branched alkyl group having 1 to 6 carbon atoms, preferably 1 or 2 carbon atoms, and each R is --OH or --COOH, and wherein the n's, X's and/or R's preferably have the same meaning, as well as halogen-containing polymers stabilized with use of this combination.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: December 17, 1991
    Assignee: Chemson Polymer-Additive Gesellschaft m.b.H.
    Inventors: Peter Meszaros, Peter Stern
  • Patent number: 5070128
    Abstract: Heat-stabilized, non-yellowing chlorinated polymers having extended working ranges, notably PVC polymers and copolymers, contain effective stabilizing amounts of (a) at least one organozinc compound, (b) at least one organic calcium, barium, magnesium or strontium compound, and (c) at least one sodium .beta.-diketonate.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: December 3, 1991
    Assignee: Rhone-Poulenc Chimie
    Inventor: Michel Gay
  • Patent number: 5066694
    Abstract: This invention relates to a pressure sensitive adhesive compositions which include an emulsion of a metal neutralized sulfonated copolymer of isoprene/sodium styrene sulfonate, wherein the neutralized sulfonated copolymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated copolymer, and less than about 50 parts by weight of an emulsion of a preferential polar plasticizer, and less than about 300 parts by weight of an emulsion of a hydrocarbon tackifying resin of a petroleum or coal tar distillate, having about 4 to 12 carbon atoms, wherein the hydrocarbon resin is composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated copolymer.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: November 19, 1991
    Assignee: Exxon Research and Engineering Company
    Inventors: Pawan K. Agarwal, Thomas Pugel
  • Patent number: 5066685
    Abstract: Polyol compositions suitable for use in the production of fibre-reinforced rigid polyurethane foam comprises (a) at least one amino polyol obtainable by reacting an alkylene oxide with an initiator which has a functionality greater than 2, at least one aromatic ring and at least one amino nitrogen atom and (b) at least 3% by weight, based on the total weight of (a) plus (b), of an adduct of a tertiary amine and an alkylene carbonate. These novel polyol compositions provide foam-forming formulations of suitable viscosity without the need to use a CFC blowing agent and also combine high reactivity with a broad reactivity profile.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: November 19, 1991
    Assignee: ARCO Chemical Technology, Inc.
    Inventors: Pavel Hanak, Philippe Motte, Patrice Gosset
  • Patent number: 5063264
    Abstract: A first crystalline polyolefin composition is provided, comprising 100 parts by weight of a crystalline polyolefin, (A) from 0.001 to 1 part by weight of a fluorophosphite compound represented by formula (I): ##STR1## wherein R represents an alkylidene group having from 1 to 4 carbon atoms or a sulfur atom; Ar.sub.1 and Ar.sub.2, which may be the same or different, each represents an alkylarylene group or a cycloalkylarylene group; and n represents 0 or 1, and (B) from 0.001 to 1 part by weight of at least one of (1) an aliphatic monocarboxylic acid salt with lithium or sodium, (2) a dithiocarbamic acid salt with lithium, sodium or potassium, (3) a 2-mercaptobenzothiazole salt with lithium, sodium or potassium, (4) a 2-mercaptobenzimidazole salt with lithium, sodium or potassium and (5) a benzotriazole salt with lithium, sodium or potassium.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: November 5, 1991
    Assignee: Chisso Corporation
    Inventor: Hirokazu Nakajima
  • Patent number: 5061743
    Abstract: Certain hydroxy alkanoate polymers, such as 3-hydroxybutyrate polymers, when obtained by solvent extraction from fermentation masses, can have long cycle times during thermal processing due to a low rate of crystallization. A combination of (a) an organophosphonic or organophosphoric acid or ester with (b) an oxide, hydroxide, or carboxylate of a metal of Groups I to V is an effective nucleating agent.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: October 29, 1991
    Assignee: Imperial Chemical Industries plc
    Inventors: John M. Herring, Andrew Webb
  • Patent number: 5055498
    Abstract: The solid marking composition of the invention includes from about 15% up to about 50% by weight of a polyethylene resin component having a specific gravity in the range of from about 0.95 up to about 0.96. In addition, the composition of the invention includes from about 20% up to about 55% by weight of a compatible plasticizer, and from about 3% up to about 20% by weight active material of a pigment. Optionally, the composition may include a pigment dispersing agent, such as a fatty acid. Further additives which may advantageously employed include extenders or fillers, oxidation stabilizers, UV stabilizers, and mold release agents. The composition of the invention is fabricated into marking instruments having unexpectedly improved eraseability, ease of application, barrel breaking strength, and tip breaking strength, while eliminating bloom entirely.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: October 8, 1991
    Assignee: Binney & Smith Inc.
    Inventor: Armand E. Brachman
  • Patent number: 5051460
    Abstract: A stabilized melt processable composition containing a halopolymer (e.g., an ethylene chlorotrifluoroethylene copolymer) and an effective stabilizing amount of an ester of a (4-hydroxy-5-alkylphenyl) alkanoic acid and at least one phosphite. Such compositions may be melt processed and extruded at high temperatures (e.g., up to 305.degree. C.) and retain their stability. These compositions are especially desirable in wire and cable coating applications.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: September 24, 1991
    Assignee: Ausimont, U.S.A., Inc.
    Inventors: Sheldon J. Kirsch, Chii-Shu Chen
  • Patent number: 5049630
    Abstract: Thermoplastic polymer compositions of improved melt stability comprise a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, a partially zinc-neutralized acidic polymer containing moieties of an .alpha.-olefin and an .alpha., .beta.-ethylenically unsaturated carboxylic acid and metal salt wherein the metal is aluminum, magnesium or scandium.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: September 17, 1991
    Assignee: Shell Oil Company
    Inventor: Edgar J. Smutny
  • Patent number: 5037870
    Abstract: The invention relates to the stabilization of organic polymers against degradation by light by the addition of (a) a light stabilizer of the formula ##STR1## in which R is hydrogen or methyl and A is an alkylene radical, and (b) an oxide, hydroxide, carboxylate, enolate or phenate of magnesium or zinc.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: August 6, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Francois Gugumus
  • Patent number: 5037924
    Abstract: According to this invention, there is provided a denture adhesive which is a mixed partial salt of a terpolymer of maleic anhydride, (MA) a C.sub.1 -C.sub.4 alkyl vinyl ether (AVE) and isobutylene (IB) vinyl ether, having a weight average molecular weight of about 30,000 to 400,000, preferably about 50,000 to 350,000. The terpolymer has its components in the molar ratio of MA:AVE:IB of about 1:0.4-0.9:0.1-0.6, preferably about 1:0.5-0.8-0.2-0.5.
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: August 6, 1991
    Assignee: GAF Chemicals Corporation
    Inventors: Mohammed Tazi, Robert B. Login, Yoon T. Kwak, Balgopal Gangadharan, Rama K. Haldar
  • Patent number: 5032632
    Abstract: A composition of a copolymer of ethylene and vinyl alcohol, 0.01 to 0.5 weight percent of a monovalent or divalent metal salt of an aliphatic carboxylic acid having 3 to 9 carbon atoms and 0.05 to 0.5 weight percent of a hindered phenolic antioxidant exhibits improved stability toward oxidative gel formation at elevated temperatures.
    Type: Grant
    Filed: May 15, 1990
    Date of Patent: July 16, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Ronald L. Saxton
  • Patent number: 5032336
    Abstract: A process for producing an aromatic polysulfone molding compound improved in mold-release characteristics by adding a predetermined amount of metal soap to aromatic polysulfone resin, wherein pellets composed of an aromatic polysulfone resin and a specific amount of metal soap, and otherwise similar pellets but containing no metal soap are prepared separately by melt-mixing, and these two kinds of pellets are dry-blended together so as to satisfy a predetermined condition.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: July 16, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kuniaki Asai, Kazuo Hieda
  • Patent number: 5032638
    Abstract: A suture coating comprising a copolymer having about 60 to 80 weight percent of .beta.-hydroxybutyrate linkages is disclosed. The remaining linkages can be at least .beta.-hydroxyvalerate. In one embodiment, the coating is the copolymer combined with a stearoyl lactylate having the formula: ##STR1## wherein X is at least two, and R is an alkaine-earth metal.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: July 16, 1991
    Assignee: American Cyanamid Company
    Inventors: David W. Wang, Leonard T. Lehmann
  • Patent number: 5021474
    Abstract: Moulding compositions comprising(a) a melamine/formaldehyde resin, a melamine/phenol/formaldehyde resin or a mixture of said resins,(b) organic and/or inorganic fillers,(c) a lubricant, and(d) 0.1 to 2% by weight, based on the total composition, of 3-chloro-1,2-propanediol as latent hardener,are suitable for the production of mouldings by injection moulding. The latent hardener employed permits extremely short cycle times coupled with long residence times at the cylinder temperature of the injection moulding machine. The moulding compositions are distinguished at the same time by very good flow properties.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: June 4, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Gunther, Hermann O. Wirth, Wilhelm Endlich
  • Patent number: 5002990
    Abstract: Quickly crystallizing polyester compositions containing as nucleating agent a compound having the formula: ##STR1## wherein: Me is an alkali metal or alkaline-earth metal;X is a group selected from --CH.sub.2 --, --CO--, --CH.sub.2 --CO--, and --CH(CH.sub.3)--CO);p is 0 or 1;Ar is a single or condensed aromatic ring, or Ar represents 2 or more aromatic nuclei linked either by a simple bond or by an --O--, --S--, --SO.sub.2 --, --SO--, --CO--, --CS--, or --NH-- group;R, R.sub.1, R.sub.2 may be, independently of each other, H, a linear or branched C.sub.1 -C.sub.6 alkyl radical, optionally substituted with halogen atoms or C.sub.1 -C.sub.6 alkoxy groups;Y is H or --CH.sub.3 ;m is 1 when Y is --CH.sub.3, or a number from 1 to 5 when Y.dbd.H;n is a number from 1 to 500; andZ is --H, a C.sub.1 -C.sub.18 alkyl, benzyl, allyl, glycidyl, acetyl, --CO--NH--R.sub.3 or --CO--NH--R.sub.4 --NCO group.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: March 26, 1991
    Assignee: Montefibre S.p.A.
    Inventors: Catia Bastioli, Vittorio Bellotti, Nello Gazzarata
  • Patent number: 4968739
    Abstract: A composition for producing a metallic sintered body consisting essentially of a mixture of a powered metal having an average particle size of not more than 50 microns with a lactone resin having a relative viscosity value in the range of from 1.15 to 3.20 is disclosed.The composition has excellent properties such as mechanical strength of a green body thereof, and only a short time being necessary for removal or elimination of binder in comparison with conventional sintering compositions.Furthermore, the binder in the present composition is substantially composed of a single component; accordingly, manufacturing process control can be simplified by use of the lactone resin.Furthermore, a method for producing a metallic sintered body using such composition is also disclosed.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: November 6, 1990
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Michio Nakanishi, Takuya Miho
  • Patent number: 4963594
    Abstract: Vinyl chloride based polymers are heat/color stabilized by formulating therewith a stabilizing amount of (i) at least one organozinc derivative, (ii) at least one organic derivative of a metal from Group IIa of the Periodic Table, and (iii) at least one thiomalic acid diester.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: October 16, 1990
    Assignee: Rhone-Poulenc Specialites Chimiques
    Inventor: Michel Gay
  • Patent number: 4954177
    Abstract: A finely-divided ceramic solid dispersion of low viscosity is obtained using as a dispersant an organic compound containing at least one carbonyl C-17-alkyleneoxy group, for example a derivative of 12-hydroxystearic acid or ricinoleic acid or low molecular weight polymeric derivative thereof. The composition may be dry or may be dispersed in an organic medium such as an aliphatic or aromatic hydrocarbon.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: September 4, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventor: John D. Schofield
  • Patent number: 4954557
    Abstract: In a process for preparing a molded article by melt-molding a mixture of (A) a hydrolyzed ethylene-vinyl acetate copolymer having an ethylene content of 20 to 80% by mole and a degree of hydrolysis in the vinyl acetate units of at least 90% by mole and (B) an olefin resin, the improvement which comprises melt-molding said mixture in the presence of a hydrotalcite solid solution (C) having the formula (I):{(M.sub.1.sup.2+).sub.yl (M.sub.2.sup.2+).sub.y2 }.sub.1-x (M.sup.3+).sub.x (OH).sub.2 (A.sup.n-).sub.x/n.mH.sub.2 O (I)According to the process of the present invention, long run processability during melt-molding can be remarkably improved, and the obtained molded article has excellent qualities, e.g., the film has few fish eyes.
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: September 4, 1990
    Assignees: Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha, Kyowa Kogyo Kabushiki Kaisha
    Inventors: Teruo Iwanami, Shigeo Miyata, Takamasa Moriyama
  • Patent number: 4952625
    Abstract: A process for producing a thermoplastic ultrahigh-molecular-weight polyethylene composition having excellent moldability, which comprises mixing at room temperature to 100.degree. C. an ultrahigh-molecular-weight polyethylene having an average molecular weight of at least 2,000,000 with an amount, effective for acting as a solvent to said polyethylene and improving the flowability of the polyethylene, of a flowability improver selected from the group consisting of (a) styrene, (b) alpha-methylstyrene, (c) chlorinated styrene and (d) a mixture of (a) and (b), wherein the amount of the flowability improver is 3 to 30 parts by weight for styrene and 3 to 30 parts by weight for alpha-methylstyrene and styrene, per 100 parts by weight of the ultrahigh-molecular-weight polyethylene, and optionally admixing at least one member of the group consisting of a pigment, carbon black, a stabilizer, a lubricant and an inorganic filler.
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: August 28, 1990
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Tomoo Shiohara, Hiroshi Abe
  • Patent number: 4942211
    Abstract: The invention relates to organopolysiloxane compositions which can be crosslinked to form elastomers with the elimination of alcohols and are stabilized by salts of the second main group or sub-group with branched-chain carboxylic acids having from 5 to 15 carbon atoms.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: July 17, 1990
    Assignee: Wacker-Chemie GmbH
    Inventors: Oswin Sommer, Norman Dorsch, Erhard Bosch, Alfred Kurz
  • Patent number: 4925883
    Abstract: A vinyl halide resin (PVC) flooring composition having reduced water absorption containing polyhydric alcohol, metal salt stabilizer, filler and an aromatic carboxylic acid such as benzoic, methylbenzoic or naphthoic acid as an anti-water absorption agent. The compositions may be employed for dramatic improvement against swelling and buckling of flooring tile and sheet.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: May 15, 1990
    Assignee: Synthetic Products Company
    Inventor: Paulette Baker
  • Patent number: 4925887
    Abstract: Moulding compositions comprising(a) a melamine/formaldehyde resin, a melamine/phenol/formaldehyde resin or a mixture of said resins,(b) organic and/or inorganic fillters,(c) a lubricant, and(d) 0.1 to 2% by weight, based on on the total composition, of 3-chloro-1,2-propanediol as latent hardener,are suitable for the production of mouldings by injection moulding. The latent hardener employed permits extremely short cycle times coupled with long residence times at the cylinder temperature of the injection moulding machine. The moulding compositions are distinguished at the same time by very good flow properties.
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: May 15, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Gunther, Hermann O. Wirth, Wilhelm Endlich
  • Patent number: 4920163
    Abstract: A paint for use on surfaces subject to lightning strikes includes a film-forming binder and a pigment, the pigment comprising at least one alkali metal salt or alkaline earth metal salt with a low first ionization potential, of a mono- or polyfunctional organic acid, carbonic acid or a polymer having an acidic group, the pigment being present in an amount sufficient to render the paint ionizable under the action of a strong electric current.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: April 24, 1990
    Assignee: Centre Nationale d'Etudes Spatiales
    Inventors: Jean-Claude Guillaumon, Louis J. C. Blet
  • Patent number: 4910247
    Abstract: A composition containing an adhesive suitable for affixing dentures or ostomy devices to a mucous membrane, which adhesive is a mixture composed of(a) 75-25 wt. % of a blend comprising a divalent calcium salt and a monovalent sodium salt of a lower alkyl vinyl ether/maleic acid copolymer wherein the concentration of Ca is between about 10 and 15 wt. % of the blend; Na is between about 1.5 and about 4 wt. % of the blend and --COOH is between about 9 and about 25 wt. % of the blend;(b) 0-10 wt. % of a lower alkyl vinyl ether/maleic acid auxiliary metal salt wherein said metal is divalent magnesium and/or monovalent potassium and wherein said auxiliary metal represents between about 1.5 and about 15 wt. % of said auxiliary metal salt compound and(c) 25-75 wt. % of a stearic acid metal salt wherein said metal salt is magnesium stearate containing from 0% to about 75% sodium stearate.The invention also relates to the use of said composition as an adhesive used in association with mucous membranes.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: March 20, 1990
    Assignee: GAF Chemicals Corporation
    Inventors: Rama K. Haldar, Balgopal Gangadharan, Ratan K. Chaudhuri
  • Patent number: 4898902
    Abstract: A binder composition for injection molding of at least one of metal powder and ceramic powder which comprises polyoxyethylene/polyoxypropylene condensation polyether as the main component together with from 10 to 100 parts by weight of at least one auxiliary component selected from the group consisting of natural waxes, synthetic waxes, fatty acids and esters per 100 parts of said polyoxyethyene/polyoxypropylene condensation polyether.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: February 6, 1990
    Assignees: Adeka Fine Chemical Co., Ltd., Asahi Denka Kogyo Kabushiki Kaisha
    Inventors: Tomoaki Nagai, Hideyuki Yamanashi, Hideo Hachimori
  • Patent number: 4898904
    Abstract: Poly(arylene sulfide) resins are modified by melt mixing a resin with a basic additive to form a resin product composition. The basic additive is selected from the group consisting of inorganic hydroxides, inorganic oxides and organic metal salts wherein the metals are from Group IA, IIA, or IIB and the salts are of carboxylic acids and phenols. The product compositions are suitable for injection molding, film forming and fiber spinning processes.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: February 6, 1990
    Assignee: Phillips Petroleum Company
    Inventors: Michael C. Yu, Lacey E. Scoggins, Jerry O. Reed
  • Patent number: 4857574
    Abstract: Stable dispersion of addition (co)polymers in an inert relatively non-polar organic hydrocarbon liquid, the dispersed particles embracing both a (co)polymer and a polymer containing an ethylenically unsaturated monomer. The (co)polymers are substantially composed of:(a) 5 to 100 mole % of styrene and/or methyl styrene;(b) 0 to 95 mole % of alkyl methacrylate having 1 or 2 carbon atoms in the alkyl group and/or alkoxyalkylene methacrylate having 1 or 2 carbon atoms in the alkoxy group and the alkylene group;(c) 0 to 40 mole % of alkyl methacrylate having 3 to 12 carbon atoms in the alkyl group;(d) 0 to 40 mole % of hydroxalkyl methacrylate having 2 to 12 carbon atoms in the alkyl group and/or glycidyl methacrylate; and(e) 0 to 20 mole % of m methacrylic acid.The (co)polymers are grafted to a polymer of a number average molecular weight of 2000 to 10.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: August 15, 1989
    Assignee: Akzo nv
    Inventor: Roelof Buter
  • Patent number: 4851153
    Abstract: A conductive high molecular composition which comprises a non-conductive polymer component incorporated with a metal salt, characterized in that the melt salt is a salt of a metal with an acid substance selected from an organic carboxylic acid, rosin and a rosin derivative. This composition has an insulating property in the normal state but functions as an electroconductive material only in the event it is interposed between slightly spaced metals and heated. Thus, the composition can be used not only as an insulating binder but also for imparting conductivity only in the desired spots of electronic parts, keeping the other areas of the parts electrically insulated. The composition thus possessing a specific dual function is particularly useful in the electronic industry field.
    Type: Grant
    Filed: May 19, 1987
    Date of Patent: July 25, 1989
    Assignee: Harima Chemicals, Inc.
    Inventors: Masanao Kono, Yoshihiro Hasegawa, Yasutaka Nishi, Yasuyoshi Sanada, Tatsuji Mizuta, Ryo Inoue, Shinsuke Ohara
  • Patent number: 4849469
    Abstract: Thermoplastic compositions and composites are produced which have fewer and smaller voids with more consistent dimensions compared to conventional unreinforced and fiber reinforced thermoplastics. The high modulus thermoplastic contains silicone semi-interpenetrating polymer networks which are formed by vulcanization within the thermoplastic and initiated during melt processing. Parts molded from the compositions are more homogeneous, with evenly distributed voids, thus reducing the possibility of strss fractures. The compositions are particularly useful in the molding in thick cross-section and variable thickness parts and have been found to have increased thermal stability.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: July 18, 1989
    Assignee: ICI Americas Inc.
    Inventors: Jane M. Crosby, MaryGail K. Hutchins, Susan K. Ward
  • Patent number: 4840984
    Abstract: A polyethylene terephthalate resin composition suitable for use in moldings which comprises:(A) 5 to 93 parts of a polyethylene terephthalate resin and(B) 95 to 7 parts of a polyethylene terephthalate block copolymer having 10 to 55% by weight of units represented by the formula (I): ##STR1## wherein R.sup.1 and R.sub.2 are the same or different and each is a bivalent hydrocarbon group having 2 to 4 carbon atoms, R.sup.3 to R.sup.10 are the same or different and each is hydrogen atom, a monovalent hydrocarbon group or a halogen atom, X is a bivalent group or single bond, and each of m and n is an integer of 5 to 20, said parts of said components (A) and (B) being parts by weight based on the total amount of said components (A) and (B). The composition of the invention can be molded according to injection molding as well as extrusion, and the obtained molded articles have the excellent heat resistance, surface property and fatigue resistance.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: June 20, 1989
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Akiyoshi Somemiya, Kazushi Hirobe
  • Patent number: 4839409
    Abstract: Compositions for stabilizing rigid (unplasticized) halogen-containing organic polymers against the deteriorative effects of heat, ultra-violet light and weathering comprise organotin or non-tin metal salt primary heat stabilizers in combination with esters of polyhydrocarbyl ether glycols.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: June 13, 1989
    Assignee: Morton Thiokol, Inc.
    Inventor: Gary M. Conroy
  • Patent number: 4837262
    Abstract: An improved food wrapping film is produced by extruding a mixture of linear low density polyethylene with low density polyethylene and a resin modifier, further mixed with a mixture of edible oil, calcium and aluminum stearates, polybutene, a surface active agent and a petroleum resin. Surface characteristic is further modified by coating the film with a mixture of edible oil, polybutene, and petroleum resin.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: June 6, 1989
    Inventors: Byung S. Jeon, Takeo Namba
  • Patent number: 4835203
    Abstract: The invention involves modeling and molding extruded compositions comprising previous extruded polycaprolactone extrusion blended with a small amount of a detackifier comprising a fatty acid salt or amide.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: May 30, 1989
    Inventor: David L. Sieverding
  • Patent number: 4829110
    Abstract: Stabilized compositions based on alpha-olefin polymers stabilized against degradation by oxidizing liquids, based on polymers of alpha-olefins such as propylene, containing a phenolic antioxidant, a phosphonite and a sulphur-containing stabilizer chosen from the esters derived from aliphatic polyols and alkylthiodipropionic acids and from combinations of a metal sulfide with one of these esters or with an organic polysulfide and optionally also containing an organic phosphite and an anti-acid agent. These compositions exhibit outstanding resistance to the phenomenon of oxidative degradation produced particularly by the contact with hot washing products of all kinds.
    Type: Grant
    Filed: November 18, 1986
    Date of Patent: May 9, 1989
    Assignee: Solvay & Cie (Societe Anonyme)
    Inventors: Roger Van Asbroeck, Serge Blanc
  • Patent number: 4826906
    Abstract: Disclosed herein is a poly(arylene thioether-ketone) composition improved in melt stability and crystallinity, which comprises (A) 100 parts by weight of a melt-stable poly(arylene thioether-ketone) (PTK) and (B) 0.1-30 parts by weight of at least basic compound selected from the group consisting of the hydroxides, oxides and aromatic carboxylic acid salts of Group IIA metals of the periodic table other than magnesium and the hydrocarbyl oxides, aromatic carboxylic acid salts, carbonates, hydroxides, phosphates and borates of Group IA metals of the periodic table. The phosphates and borates include condensation products. The PTK has predominant recurring units of the formula ##STR1## and having a melting point, Tm of 310.degree.-380.degree. C., a residual melt crystallization enthalpy, .DELTA.Hmc (420.degree. C./10 min) of at least 10 J/g, a melt crystallization peak-temperature, Tmc (420.degree. C./10 min) of at least 210.degree. C. and a reduced viscosity of 0.2-2 dl/g.
    Type: Grant
    Filed: June 17, 1988
    Date of Patent: May 2, 1989
    Assignee: Kureha Kagaku Kogyo K.K.
    Inventors: Yoshikatsu Satake, Ken Kashiwadate, Yo Iizuka, Toshitaka Kouyama, Takayuki Katto, Zenya Shiiki
  • Patent number: 4826907
    Abstract: An acrylic or methacrylic resin emulsion coating composition comprising a blended mixture composed of(1) 100 parts by weight as solid resin content of a copolymer resin emulsion [A], the copolymer resin therein having a glass transition temperature Tg(A), determined by the DSC method, of about -10.degree. to about -55.degree. C., and said copolymer resin emulsion [A] being an aqueous emulsion-copolymerization product being free from a copolymerizable diallyl component and derived from acrylic and/or methacrylic monomers (a) and (b) specified in the claims in the presence of a polyoxyethylene/polyoxypropylene block copolymer,(2) 20 to 300 parts by weight as solid resin content of a copolymer emulsion [B], the copolymer resin therein having a glass transition temperature Tg(B), determined by the DSC method, of less than 0.degree. C., and satisfying the following equationTg(B)-Tg(A)=10.about.55.degree. C.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: May 2, 1989
    Assignee: Nippon Carbide Kogyo Kabushiki Kaisha
    Inventors: Kazuhiro Murao, Akira Maruta
  • Patent number: 4826735
    Abstract: A polypropylene resin composition is provided by incorporating a metal salt of a fatty acid and the oxide or hydroxide of an alkaline earth metal, each, in an amount of 0.05-1 part by weight based on 100 parts by weight of polypropylene. The polypropylene resin composition shows excellent thermal processing stability even when subjected to remelting and extrusion molding after mixing of a scrap recycled from the production of multi-layered containers or sheets each of which is formed of a gas barrier layer made of nylon or an ethylene-vinyl alcohol copolymer and another layer made of a polypropylene resin composition.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: May 2, 1989
    Assignees: Mitsui Toatsu Chemicals, Incorporated, Toyo Seikan Kaisha Ltd.
    Inventors: Toru Ueki, Jinichi Yazaki, Akihiko Tamura, Hideo Amemiya, Takashi Miyazaki
  • Patent number: 4814369
    Abstract: A vinyl halide resin (PVC) flooring composition having reduced water absorption containing polyhydric alcohol, metal salt stabilizer, filler and an aromatic carboxylic acid such as benzoic acid as an anti-water absorption agent. The compositions may be employed for dramatic improvement against swelling and buckling of flooring tile and sheet.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: March 21, 1989
    Assignee: Synthetic Products Company
    Inventor: Paulette Baker
  • Patent number: 4810733
    Abstract: A color concentrate which comprises (a) one or more of polypropylene resins and propylene copolymers having a melt flow rate in the range of 0.1-100, (b) one or more of organic and inorganic pigments; and (c) one or more pigment dispersants selected from the group consisting of polyethylene wax, polypropylene wax and derivatives thereof, zinc stearate, magnesium stearate, aluminium stearate, calcium stearate and ethylene bisamide, the contents of (a), (b) and (c) being, respectively, 11-30 wt %, 10-80 wt % and 10-50 wt % based on the total of (a), (b) and (c); and molded or extruded articles of thermoplastic resins other than (a) colored with the color concentrate.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: March 7, 1989
    Assignee: Toyo Ink Mfg Co., Ltd
    Inventors: Noburu Sakuma, Hideo Shimizu
  • Patent number: 4808649
    Abstract: Diorganopolysiloxanes having the formula: ##STR1## are especially useful for the stabilization of polyvinyl chloride-based polymers.
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: February 28, 1989
    Assignee: Rhone-Poulenc Chimie
    Inventors: Michel Gay, Edith Canivenc
  • Patent number: 4801640
    Abstract: The invention concerns a polyester film with improved abrasion resistance, dimensional stability, drawability and slip properties. The film is characterized by the fact that it contains 0.005 to 5.0% by weight of organic, preferably hardened or crosslinked, particles with narrow particle size distribution in a range between 0.01 and 5 microns, as well as a nucleating agent in an amount from 0.01 to 10% by weight, both values related to the weight of the polymers which form the film.
    Type: Grant
    Filed: January 9, 1986
    Date of Patent: January 31, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hermann Dallmann, Werner Schaefer, Wolfgang Gawrisch, Hartmut Hensel
  • Patent number: 4797440
    Abstract: A composition comprising a dispersion of a finely divided particulate solid in a thermoplastic polymeric organic medium in the presence of a lubricant and a processing additive in which the processing additive comprises an organic compound containing at least one group of the formula:--O--A--CO--wherein A is a divalent aliphatic radical containing 17 carbon atoms, at least 4 of which are directly between the oxygen atom and the carbonyl group.The composition is suitable for blending a particulate solid into a polymer.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: January 10, 1989
    Assignee: Imperial Chemical Industries PLC
    Inventors: John D. Schofield, Roger Slater
  • Patent number: 4786672
    Abstract: Stabilized chlorine-containing polymers containing at least one anilinotriazine of the formula I ##STR1## in which R.sub.1 is phenyl or a group of the formula II ##STR2## in which R.sub.4, R.sub.5 and R.sub.6 independently of one another are chlorine, bromine, cyano, methoxycarbonyl, ethoxycarbonyl, carbamoyl, hydroxyl, methoxy, ethoxy or C.sub.1 -C.sub.18 -alkyl and n.sub.1, n.sub.2 and n.sub.3 are 0, 1, 2, or 3, subject to the proviso that the sum of n.sub.1 +n.sub.2 +n.sub.3 is an integer from 1 to 3, and R.sub.2 and R.sub.3 independently of one another are C.sub.2 -C.sub.4 -hydroxyalkyl, and also novel anilinotriazines and the use thereof for stabilizing chlorine-containing polymers against the harmful effects of light and/or heat.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: November 22, 1988
    Assignee: Ciba-Geigy Corporation
    Inventor: Wolfgang Wehner
  • Patent number: 4785037
    Abstract: Disclosed is a composition suitable for the preparation of a gasket for use in the production of shaped resin articles by cast polymerization. The composition is comprises (A) 100 weight parts of a vinyl chloride resin, (B) 30 to 70 weight parts of a carboxylic acid ester or phosphoric acid ester plasticizer, (C) 0.5 to 10 weight parts of an epoxy type plasticizer and (D) 0.1 to 5 weight parts of a barium- or zinc-containing stabilizer.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: November 15, 1988
    Assignee: Mitsubishi Rayon Company Ltd.
    Inventors: Hiroyuki Ikeda, Suehiro Tayama
  • Patent number: 4780315
    Abstract: Disclosed are rumen-stable compositions for coating medicaments and nutrients for ruminant animals. The coatings comprise a film-forming polymeric substance containing basic nitrogen groups, and an inorganic particulate material dispersed throughout the polymeric substance.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: October 25, 1988
    Assignee: Eastman Kodak Company
    Inventors: Stephen H. W. Wu, Edward G. Miller, Jr.
  • Patent number: 4772652
    Abstract: The present invention relates to a polyethylene terephthalate based copolyester modified by aliphatic dicarboxylic acid containing not less than 9 carbon atoms and poly(tetramethylene oxide)glycol, and to a polyester resin composition comprising said copolyester.Said polyester resin composition exhibits excellent toughness, impact strength and moldability without harming the inherent characteristics of polyethylene terephthlate.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: September 20, 1988
    Assignee: Kuraray Co., Ltd.
    Inventors: Murata Yoshifumi, Kaneda Teruhisa, Hara Kazuo, Takamoto Katsunori, Ohonishi Isao, Yokota Shinichi
  • Patent number: 4762876
    Abstract: The present invention provides a novel sealant composition consisting essentially of an admixture of at least one polyolefin resin in particulate form, magnesium oxide, a metal salt of a fatty acid and a suitable liquid carrier. In general, the ingredients are normally present in the range of from about 15 to 25 percent polyolefin, from about 0 to about 6 percent of the metal fatty acid salt, from about 10 to 18 percent magnesium oxide and from about 53 to about 70 percent carrier.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: August 9, 1988
    Assignee: Cajon Company
    Inventor: James L. Bunyan
  • Patent number: H506
    Abstract: Disclosed is a resinous composition having excellent discoloration, processability, heat resistancy and durability comprising,A. 100 parts by weight of an aromatic polyester having the general formulae (I) and (II) ##STR1## B. 0.01 to 5 parts by weight of a phosphoric compound, and C. 0.01 to 0.1 part by weight of a carboxylic acid metal salt. Also disclosed is a process for producing shaped articles, the improvement which comprises adding the additives stepwise to the aromatic polyester.
    Type: Grant
    Filed: April 17, 1987
    Date of Patent: August 2, 1988
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masashiro Asada, Junji Takase