Non-high Polymeric Antistatic Agents/n Patents (Class 260/DIG19)
  • Patent number: 4943380
    Abstract: An antistatic resin composition with transparency contains 90-99.9 wt % of a synthetic resin selected from polycarbonate or polymethyl methacrylate and 0.1-10 wt % of a heat-resistant antistat containing phosphonium sulfonate shown by the general formula (I) below: ##STR1## where A is alkyl group with 1-36 carbon atoms, alkenyl group with 4-24 carbon atoms, phenyl group, phenyl group substituted by alkyl group with 1-18 carbon atoms, naphthyl group or naphthyl group substituted by alkyl group with 1-18 carbon atoms, R.sup.1, R.sup.2 and R.sup.3 are identical, each being an aliphatic hydrocarbon group with 1-8 carbon atoms or aromatic hydrocarbon group, and R.sup.4 is a hydrocarbon group with 1-18 carbon atoms.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: July 24, 1990
    Assignee: Takemoto Yushi Kabushiki Kaisha
    Inventors: Masato Sugiura, Hideo Shimizu, Shigeru Imamura, Fumitoshi Sugiura
  • Patent number: 4785032
    Abstract: A water based antistatic coating composition comprising:(a) at least one water soluble antistatic agent which is acceptable for food packaging polymer films;(b) at least one water soluble or water dispersible film-forming polymer; and,(c) a solution or dispersion-forming amount of water.When applied to a polymer film substrate, the foregoing antistatic coating composition forms, upon drying, and adherent antistatic coating.
    Type: Grant
    Filed: September 8, 1986
    Date of Patent: November 15, 1988
    Assignee: Mobil Oil Corporation
    Inventor: Robert E. Touhsaent
  • Patent number: 4604416
    Abstract: A methacrylic resin composition having excellent impact resistance and antistatic property is described. This composition comprises (I) 50-99.8 wt. % of a methacrylic resin comprised of 80-100 wt. % of methyl methacrylate units and 0-20 wt. % of other copolymerizable monomer units, (II) 0.1-40 wt. % of a rubbery component which is a polymer containing an elastomeric portion comprising at least 50 wt. % of 1,3-butadiene and/or acrylic acid ester units, and (III) 0.1-10 wt. % of a specified compound.
    Type: Grant
    Filed: December 13, 1984
    Date of Patent: August 5, 1986
    Assignee: Mitsubishi Rayon Company Ltd.
    Inventors: Yoshio Nakai, Katsusuke Yamauchi, Masaaki Kishimura, Masamitsu Tateyama
  • Patent number: 4579902
    Abstract: The present invention provides a permanently antistatic, injection moldable thermoplastic composition comprising a polybutylene terephthalate resin having an intrinsic viscosity in the range of about 0.7 to about 1.4 deciliters per gram measured in ortho-chlorophenol at 25.degree. C., an antistatic dopant comprising an electron acceptor compound, an electron donor compound, and polytetrafluoroethlene, and less than about 10 percent by weight based on the total weight of the molding composition of carbon fibers having lengths between about 0.1 and about 1.0 inch. Such a molding composition exhibits a volume resistivity of less than 1.times.10.sup.8 ohm-cm, exceptional low wear performance, excellent mechanical properties, and ease of manufacture.
    Type: Grant
    Filed: December 5, 1984
    Date of Patent: April 1, 1986
    Assignee: Celanese Corporation
    Inventor: David P. O'Brien
  • Patent number: 4393159
    Abstract: A thermoplastic material formed from a hydrocarbon chain is modified to inhibit the production of static charges. The thermoplastic material may be a polypropylene. A weak salt having properties of ionizing and having its positive ions bond chemically to the thermoplastic material is mixed in the thermoplastic material. A chemical agent is also dispersed in the thermoplastic material and is provided with properties of facilitating the dispersion of the positive ions of the weak salt throughout the thermoplastic material for chemical bonding to the thermoplastic material. The chemical agent may also be bonded chemically to the thermoplastic material. The weak salt may be cupric acetate and the chemical agent may be an ethoxylated amine when the thermoplastic material is polypropylene. The polypropylene is preferably mixed with a suitable material such as polyethylene to enhance the amorphous characteristics of the thermoplastic material.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: July 12, 1983
    Assignee: Bengal, Inc.
    Inventor: William Lybrand
  • Patent number: 4393176
    Abstract: A thermoplastic material formed from a hydrocarbon chain is modified to inhibit the production of static charges. The thermoplastic material may be a modified styrene or a polystyrene. A chemical agent is dispersed in the thermoplastic material and is provided with properties of combining with the carbon molecules in the modified styrene or the polystyrene. The chemical agent may be an amine. The amine is preferably ethoxylated.The polystyrene may be a crystal styrene or a high impact styrene. The amount of the ethoxylated amine in the material is dependent to some extent upon whether the polystyrene is a crystal styrene or a high impact styrene.The material of this invention may be formed as sheets as by extrusion or may be injection molded into different members such as panels. The material may be formed by mixing the ethoxylated amine and the polystyrene and extruding the mixture under conditions of controlled temperatures and pressures and for controlled dwell times.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: July 12, 1983
    Assignee: Bengal, Inc.
    Inventor: William Lybrand
  • Patent number: 4391952
    Abstract: Polyethylene having a relatively high specific gravity is modified to inhibit the production of static charges. A weak salt having properties of ionizing and having its positive ions bond chemically to the polyethylene is mixed in the polyethylene. A chemical agent is also dispersed in the polyethylene and is provided with properties of facilitating the dispersion of the positive ions of the weak salt throughout the polyethylene of high specific gravity for chemical bonding to the polyethylene. The weak salt may be cupric acetate and the chemical agent may be an amine. The amine is preferably ethoxylated. The material of this invention may be formed as non-transparent bags or as sheets. The material may be formed by mixing the different chemicals and extruding the mixture under conditions of controlled temperatures and pressures and for controlled dwell times.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: July 5, 1983
    Assignee: Bengal, Inc.
    Inventor: William Lybrand
  • Patent number: 4337188
    Abstract: A composition capable of being used for the manufacture of polyolefin film having so-called "cling" properties is disclosed. The composition consists essentially of(a) an intimate mixture of 75-98 weight percent of a first component and 2-25 weight percent of a second component, and(b) at least 200 ppm, based on the weight of (a), of an agent selected from the class consisting of(i) an organic compound having at least one polar group and at least one group selected from the class consisting of alkylene and alkylene interrupted by oxygen, said alkylene having at least eight carbon atoms and said compound being a liquid or a waxy solid;(ii) mineral oil;(iii) a liquid polyolefin; and(iv) an organic phosphate ester that is a liquid or waxy solid; and mixtures of such agents.A preferred agent is N,N-bis(2-hydroxyethyl) alkylamine where the alkyl group is C.sub.12 -C.sub.18 alkyl group. The first component is a blend of 10-100 percent of at least one homopolymer of ethylene having a density of 0.915-0.930 g/cm.sup.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: June 29, 1982
    Assignee: Du Pont Canada Inc.
    Inventors: David C. Climenhage, Walter R. Eadie
  • Patent number: 4312966
    Abstract: A flame-retardant, antistatic synthetic polymeric fiber which is the product of the process of dispersing in said fiber about 1 percent to about 12 percent by weight of a polymer composition which is the reaction product of a polyester of a polyoxyalkylene compound having as a nucleus a nitrogen-containing reactive hydrogen containing compound with a reactant selected from the group consisting of at least one of an aliphatic or aromatic diacid, anhydride or acid halide thereof and a diol wherein at least one of said reactant is halogenated.
    Type: Grant
    Filed: June 20, 1980
    Date of Patent: January 26, 1982
    Assignee: BASF Wyandotte Corporation
    Inventors: David D. Newkirk, Robert B. Login, Basil Thir
  • Patent number: 4298710
    Abstract: An antistatic resin composition comprises 100 parts of a nitrile copolymer comprising 7 to 100% of a nitrile graft copolymer with a graft ratio of 4 to 50% obtained by graft-polymerizing a monomer mixture of a specific composition onto a rubber trunk polymer predominantly comprising a conjugated diolefin and/or an acrylate, and 0 to 93% of a nitrile random copolymer of a specific composition; and 0.05 to 10 parts of a surfactant added thereto. This antistatic resin composition, wherein the rubber trunk polymer forms a bridge structure, not only has, per se, an excellent antistatic property but also an antistatic property which undergoes substantially no change upon washing, for example, with water.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: November 3, 1981
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masaki Ohya, Akio Kobayashi, Takeo Ogiwara, Yoshikatsu Satake
  • Patent number: 4276138
    Abstract: A method for reducing static electricity on the surface of a shaped article made of polyvinyl chloride resins, which method comprises the steps of (a) blending a surface active agent with the polyvinyl chloride resin prior to fabrication of the resin into a shaped article, (b) fabricating the resin admixed with the surface active agent into a shaped article, and (c) subjecting the shaped article to a treatment with low temperature plasma of a gas.
    Type: Grant
    Filed: June 22, 1979
    Date of Patent: June 30, 1981
    Assignees: Agency of Industrial Science & Technology, Shin-Etsu Chemical Co., Ltd.
    Inventors: Michihiko Asai, Yoshio Suda, Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura
  • Patent number: 4259474
    Abstract: The sulfur-containing polyoxyalkylenes having the formula: ##STR1## wherein E is --SW or a halogen atom; W is hydrogen, phenyl, alkyl of 1 to 4 carbon atoms, an alkali metal or ammonium ion, or a heterocyclic radical containing from 2 to 4 hetero atoms in a 5-or 6-membered ring which may be monocyclic or may be fused to an aromatic ring; A, C and D represent lower alkylene of 2 to 4 carbon atoms; B is alkylene of 2 to 8 carbon atoms; y and z are each integers having a value of 0 to 50; x is an integer having a value of from 2 to 50; and n is an integer having a value of from 1 to 30; and intermixtures of said polyoxyalkylenes.The above compounds display a wide variety of uses; however, all are active metal working lubricants.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: March 31, 1981
    Assignee: GAF Corporation
    Inventors: Paritosh M. Chakrabarti, Lindley S. Wood, David J. Tracy
  • Patent number: 4237194
    Abstract: A coating composition useful in forming conductive layers comprises a latex having water as a continuous phase and, as a dispersed phase, hydrophobic polymer particles having associated therewith a polyaniline salt semiconductor. The coating composition can be coated on a variety of supports to produce conductive elements. The coating compositions are particularly useful in forming antistatic layers for photographic elements or conducting layers for electrophotographic and electrographic elements. Also disclosed is a preferred process for preparing a latex coating composition comprising the steps of loading polymer particles with the polyaniline component of the polyaniline acid addition salt semiconductor and then acidifying the latex to form a polyaniline salt coating composition.
    Type: Grant
    Filed: February 16, 1979
    Date of Patent: December 2, 1980
    Assignee: Eastman Kodak Company
    Inventors: Donald A. Upson, David J. Steklenski
  • Patent number: 4165303
    Abstract: Polyamides and polyesters having greatly improved resistance to static electricity buildup are obtained by the incorporation of about 0.1 to 20 weight percent poly(alkylene ether) esters of polybasic acid. The antistatic properties of these polymers is significantly improved when poly(ethylene oxide) esters of dimer and trimer acids are employed.
    Type: Grant
    Filed: August 26, 1977
    Date of Patent: August 21, 1979
    Assignee: Emery Industries, Inc.
    Inventors: Irwin S. Schlossman, Robert E. Wiman
  • Patent number: 4128484
    Abstract: An aqueous emulsion comprising a fatty alkyl ester of a polyhydric alcohol and a cationic surfactant provides a fabric softening composition of unexpected efficacy. In particular, the use of a sorbitan ester with a cationic surfactant provides a softening agent which deposits effectively onto fabric from an aqueous bath.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: December 5, 1978
    Assignee: The Procter & Gamble Company
    Inventors: Brian D. Barford, Lawrence Benjamin
  • Patent number: 4121026
    Abstract: This invention relates to copolymers of alpha-olefins and maleic anhydride reacted with amines in the presence of Lewis acids, preferably BF.sub.3 or a complex thereof; and to the use of these products as anti-static agents in organic liquids, preferably in hydrocarbons. The use of Lewis acid produces a unique reaction product which is superior as to fluidity and/or anti-static properties as compared to the corresponding product produced without Lewis acid. In addition, the use of Lewis acid promotes the rate of reaction thus reducing reaction time.
    Type: Grant
    Filed: March 23, 1973
    Date of Patent: October 17, 1978
    Assignee: Petrolite Corporation
    Inventors: William J. Cheng, David B. Guthrie
  • Patent number: 4092281
    Abstract: An improved fire retardant polystyrenic composition comprising a polystyrenic resin, a fire retardant agent selected from the group consisting of halogenated and phosphorous-containing fire retardant agents and combinations thereof, antimony oxide and an aliphatic nitrogen-containing compound selected from the group consisting of amines, amides and ammonium compounds containing from 8 to 25 carbon atoms, mixtures thereof and the oxyalcoylated derivatives thereof.
    Type: Grant
    Filed: July 9, 1975
    Date of Patent: May 30, 1978
    Assignee: Labofina S. A.
    Inventor: Jean-Noel Marie Bertrand
  • Patent number: 4070531
    Abstract: There are used as antistatic agents for thermoplastic synthetic resins compounds of the formulae ##STR1## where R and R' are saturated alkyl groups in which the sum of the carbon atoms in the two alkyl groups is 4 to 30 carbon atoms and wherein one of R and R' can be hydrogen,R.sup.2 is hydrogen, lower alkyl with one to 5 carbon atoms, 2-hydroxyethyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, benzyl o-,m- and/or p-methylbenzyl, o-,m- and/or p-chlorobenzyl, o-,m- and/or p-bromobenzyl, aminoalkyl (C.sub.2 to C.sub.6), preferably aminoalkyl (C.sub.2 and C.sub.3), alkyl (C.sub.1 to C.sub.6)-aminoalkyl (C.sub.2 to C.sub.6), 2-hydroxyethyl-aminoalkyl (C.sub.1 to C.sub.6), 2-hydroxypropyl-aminoalkyl (C.sub.2 to C.sub.6) or 2,3-dihydroxypropyl-aminoalkyl (C.sub.2 to C.sub.6),R.sup.3 in case the compound is present as the ammonium salt is hydrogen or a lower alkyl group with 1 to 5 carbon atoms,R.sup.4 is hydrogen or hydroxyl, andX.sup.
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: January 24, 1978
    Assignees: Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler, Henkel & Cie. GmbH
    Inventors: Werner Schwarze, Wolfgang Merk, Volker Binder
  • Patent number: 4048221
    Abstract: The instant invention relates to sulphonates containing ether groups and derived from dihydroxy alkane sulphonic acids, and to a process for their production. They are obtained by the addition of bisulphites to (poly)alkoxylated dihydroxy alkenes.
    Type: Grant
    Filed: March 4, 1975
    Date of Patent: September 13, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Dieter Wolf, Francis Bentz, Gunther Nischk
  • Patent number: 4045361
    Abstract: Aqueous liquid rinse-added fabric conditioning compositions comprising diamine static control agents, quaternary ammonium fabric softeners and, optionally, particulate sorbitan ester material provide fabric softening and exceptional fabric static control.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: August 30, 1977
    Assignee: The Procter & Gamble Company
    Inventors: David M. Watt, Jr., Joseph P. Nirschl
  • Patent number: 4044070
    Abstract: Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers one of which has at least two different functional groups while the other is qualitatively monofunctional and quantitatively polyfunctional. Ordinarily, the polymer having at least two different functional groups, will be quantitatively polyfunctional and qualitatively difunctional although it may contain more than two different functional groups. In the preferred embodiments, the first or difunctional copolymer of the blend has either (1) epoxy functionality and amide functionality, (2) epoxy functionality and hydroxy functionality, (3) carboxy functionality and amide functionality, or (4) carboxy functionality and hydroxy functionality and is crosslinkable with the second copolymer through at least two different types of functional groups on the first copolymer.
    Type: Grant
    Filed: February 18, 1976
    Date of Patent: August 23, 1977
    Assignee: Ford Motor Company
    Inventors: Santokh S. Labana, Ares N. Theodore
  • Patent number: 4038258
    Abstract: Conductive compositions useful in imparting antistatic properties in filaments and other articles are provided, which comprise N-alkyl polycarbonamides, polyesters or polyetheresters having a Tg (NMR) less than 25.degree. C and from 0.02 to 35 weight percent of a phosphonium salt of a phosphonate, phosphinate, or sulfonate.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: July 26, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Gurdial Singh, Richard Edward Von Rutte
  • Patent number: 4035346
    Abstract: An antistatic synthetic polymer having a T.sub.g (NMR) of less than 25.degree. C., a log R.sub.s of less than 10 and containing phosphonium sulfonate groups can be used to improve the conductivity of synthetic fiber-forming polymers.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: July 12, 1977
    Assignee: E. I. Du Pont de Nemours and Co.
    Inventors: Harry Vaughn Samuelson, Gurdial Singh
  • Patent number: 4021400
    Abstract: Compositions containing copolymers of ethylene, alkyl acrylate and monoalkyl esters of 1,4-butenedioic acid and compounds having the formula ##STR1## formed by reacting the minor amount of alkyl acrylate monomer entrained in the copolymer with a secondary amine of the formula ##STR2## are less odorous than are compositions containing the unreacted alkyl acrylate monomer.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: May 3, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James Michael McKenna
  • Patent number: 4006123
    Abstract: An antistatic synthetic polymer having a T.sub.g (NMR) of less than 25.degree. C., a log R.sub.s of less than 10 and containing phosphonium sulfonate groups can be used to improve the conductivity of synthetic fiber-forming polymers.
    Type: Grant
    Filed: February 25, 1975
    Date of Patent: February 1, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Harry Vaughn Samuelson, Gurdial Singh
  • Patent number: 4006200
    Abstract: Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers one of which has at least two different functional groups while the other is qualitatively monofunctional and quantitatively polyfunctional. Ordinarily, the polymer having at least two different functional groups, will be quantitatively polyfunctional and qualitatively difunctional although it may contain more than two different functional groups. In the preferred embodiments, the first or difunctional copolymer of the blend has either (1) epoxy functionality and amide functionality, (2) epoxy functionality and hydroxy functionality, (3) carboxy functionality and amide functionality, or (4) carboxy functionality and hydroxy functionality and is crosslinkable with the second copolymer through at least two different types of functional groups on the first copolymer.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: February 1, 1977
    Assignee: Ford Motor Company
    Inventors: Santokh S. Labana, Ares N. Theodore
  • Patent number: 4005057
    Abstract: Conductive compositions useful in imparting antistatic properties in filaments and other articles are provided, which comprise N-alkyl polycarbonamides, polyesters or polyetheresters having a Tg (NMR) less than 25.degree. C and from 0.02 to 35 weight percent of a phosphonium salt of a phosphonate, phosphinate, or sulfonate.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: January 25, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Gurdial Singh, Richard Edward VON Rutte
  • Patent number: 3998905
    Abstract: Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers one of which has at least two different functional groups while the other is qualitatively monofunctional and quantitatively polyfunctional. Ordinarily, the polymer having at least two different functional groups, will be quantitatively polyfunctional and qualitatively difunctional although it may contain more than two different functional groups. In the preferred embodiments, the first or difunctional copolymer of the blend has either (1) epoxy functionality and amide functionality, (2) epoxy functionality and hydroxy functionality, (3) carboxy functionality and amide functionality, or (4) carboxy functionality and hydroxy functionality and is crosslinkable with the second copolymer through at least two different types of functional groups on the first copolymer.
    Type: Grant
    Filed: February 18, 1976
    Date of Patent: December 21, 1976
    Assignee: Ford Motor Company
    Inventors: Santokh S. Labana, Ares N. Theodore
  • Patent number: 3980715
    Abstract: 6-Hydroxyhexyl perfluoroisopropyl ether is prepared by reaction of hexafluoroacetone and potassium fluoride to obtain an alcoholate which is then reacted with 1-chloro-6-hexanol. One mole of the ether may be reacted with about 1 mole to about 20 moles of ethylene oxide. One mole of 2,2,3,4,4,4-hexafluorobutanol may also be reacted with about 1 mole to about 6 moles of propylene oxide and then about 1 mole to about 20 moles of ethylene oxide. Both ethoxylates are nonionic surfactants which are useful as antistatic agents and lubricants for polymeric shapes such as nylon films and filaments.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: September 14, 1976
    Assignee: Diamond Shamrock Corporation
    Inventor: Alex J. Szur
  • Patent number: 3962176
    Abstract: This invention relates to antistatic compositions of high molecular weight linear aliphatic polyamides which are stabilized against yellowing due to the action of heat. These polyamides which may be formed into films or fibers, are prepared by the solvent-free condensation of salts of aliphatic diamines with aliphatic dicarboxylic acids and/or lactams and contain homogeneously distributed therein a composition of one or more polyoxyalkylene compounds and tertiary amides or diamides, having at least one tertiary amide group.
    Type: Grant
    Filed: May 16, 1974
    Date of Patent: June 8, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Claus-Rudiger Bernert, Eduard Radlmann
  • Patent number: 3959404
    Abstract: Powder coating compositions are disclosed which, exclusive of pigments and non-reactive components, comprise a coreactive mixture of: (A) a copolymer of between about 8 and about 30 weight percent of a glycidyl ester of a monoethylenically unsaturated acid and between about 92 and about 70 weight percent of other monoethylenically unsaturated monomers, said copolymer having a glass transition temperature in the range of 40.degree. to 90.degree.C and a number average molecular weight (M.sub.n) of between about 2500 and about 8500; and (B) a phenolic hydroxy terminated compound in the amount of between about 0.8 and 1.2 phenolic hydroxy groups for each epoxy group in the copolymer.
    Type: Grant
    Filed: December 18, 1973
    Date of Patent: May 25, 1976
    Assignee: Ford Motor Company
    Inventors: Santokh S. Labana, Ares N. Theodore
  • Patent number: 3940376
    Abstract: The invention relates to shaped articles of acrylonitrile polymers which comprise as an antistatically active additive from 0.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: February 24, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Francis Bentz, Gunther Nischk
  • Patent number: 3935150
    Abstract: Disclosed is an aqueous acid solution or suspension of a preparation as well as the production thereof for the permanent finishing of fibre materials, especially dyed carpets, to render them antistatic, dirt-repellent and, optionally, antimicrobial, which aqueous preparation contains:A. 10 to 20 per cent by weight of at least one antistatic agent,B. 3 to 35 per cent by weight of a stabilised, aqueous non-film-forming dispersion of polystyrene,C. 1 to 6 percent by weight of at least one acid, especially o-phosphoric acid, andD. 0 to 5 percent by weight of further components, such as an antimicrobic agent and a solubility-promoting agent.
    Type: Grant
    Filed: June 4, 1974
    Date of Patent: January 27, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Josef Oxe, Rudolf Keller
  • Patent number: 3933779
    Abstract: An antistatic polymer blend comprising a synthetic polymer and an antistatically effective amount of a compound of the formula: ##EQU1## wherein R is alkyl of 4 to 18 carbon atoms unsubstituted or substituted by halo or aryl.
    Type: Grant
    Filed: February 21, 1974
    Date of Patent: January 20, 1976
    Assignee: Fine Organics Inc.
    Inventors: Seymour Baron, H. Harald Lutzmann
  • Patent number: 3931080
    Abstract: An aqueous composition containing (A) an aminoplast precondensate, (B) a polymeric ethylene imine, the monomer of which is a reaction product of toluenediisocyanate a fluorinated alkanol and ethylene imine, which polymer is dispersed by means of a dispersant obtained by reacting said fluorinated alkanol, toluenediisocyanate and a polyethylene glycol, (C) a long-chain alkyl urea and (D) a cross-linking catalyst is useful for rendering a velvety suede-like polyurethane structure oil- and water-repellant.
    Type: Grant
    Filed: December 3, 1973
    Date of Patent: January 6, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus-Dieter Hammer, Wolfgang Heinrich, Dieter Hoffmann, Erich Schuierer