Antistatic Agents Not Otherwise Provided For Patents (Class 260/DIG15)
  • Patent number: 6117922
    Abstract: The present invention relates to an antistatic mixture comprising compounds of the formulae (I) and (II)R'--N--[(C.sub.n H.sub.2n)--OH].sub.2 (I) ##STR1## where n is 2 or 3R.sup.1 is C.sub.8 -C.sub.22 -alkyl or -alkenyl or C.sub.8 -C.sub.22 -alkyl-CO-- andR.sup.2, R.sup.3 and R.sup.4 may be identical or different and are C.sub.8 -C.sub.22 -alkyl or -alkenyl and two of these radicals may be hydrogen,and where the mixing ratio of the compounds of formulae I and II is from 4:1 to 1:10 parts by weight,and to a process for preparing this mixture.This mixture is solid and is therefore easy to use in production, and is storage-stable and offers advantages in handling.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: September 12, 2000
    Assignee: Clariant GmbH
    Inventor: Michael Breitwieser
  • Patent number: 5284600
    Abstract: Radical cation salts having the composition of formula I ##STR1## wherein x has a value from -0.1 to +0.2. These radical cation salts crystallize in needle form and are electric conductors. They can be incorporated in polymers to form conductive networks of crystal needles in a polymer matrix. The polymers can be used for making antistatically treated mouldings or electrodes.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: February 8, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Bruno Hilti, Ernst Minder, Carl W. Mayer, Bernd Klingert
  • Patent number: 4950544
    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: November 14, 1988
    Date of Patent: August 21, 1990
    Assignee: Mobil Oil Corporation
    Inventor: Robert E. Touhsaent
  • 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: 4438176
    Abstract: The present invention relates to thermoplastic films such as polypropylene and more particularly to bi-axially oriented polypropylene which are characterized by having excellent anti-static properties and good resistance to the transmission of oxygen and moisture vapor. These properties are achieved by the application of a thin primer layer containing poly (ethylenimine) to corona discharge treated oriented polypropylene film followed by the application of an aqueous dispersion of a vinylidene chloride multipolymer containing a water soluble polyol such as a low molecular weight glycol or a poly (ethylene oxide) adduct of a nonpolar molecule.
    Type: Grant
    Filed: January 12, 1983
    Date of Patent: March 20, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Robert H. Steiner, Robert E. Touhsaent
  • Patent number: 4335201
    Abstract: Photographic base elements and radiation-sensitive elements are protected against the adverse effects resulting from accumulation of static electrical charges by incorporating therein an antistatic layer. Such layer is prepared from a coating composition comprising a hydrophilic binder, an anionic fluorinated surfactant and an inorganic nitrate.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: June 15, 1982
    Assignee: Eastman Kodak Company
    Inventors: Donald N. Miller, Richard A. Kydd
  • Patent number: 4328280
    Abstract: The generation of electrostatic charges and spark discharging when surfaces having different work functions are contacted is a well known phenomenon. Spark discharging can be suppressed according to the present invention by the application of isopropylbenzene derivatives to one of the surfaces.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: May 4, 1982
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John S. Huizinga, John Stevens
  • Patent number: 4313978
    Abstract: A method of treating a surface, e.g. carpet, gramophone record, to reduce the static charging thereon which comprises applying a novel antistatic composition comprising a fluorinated anionic surfactant which is an amine salt of an acid containing a fluorinated organic radical and an antistatic agent which is an ionic salt of an amine, preferably in alcoholic solution.
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: February 2, 1982
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John Stevens, John S. Huizinga, Stephen Newman
  • Patent number: 4301040
    Abstract: A static-free, polymeric surface mat to prevent the accumulation of static charge, particularly in the packaging and handling of electronic components and devices, which mat comprises a nonconductive, synthetic-material layer with a top surface, optionally an adhesive layer on the bottom surface of the synthetic material, and a solid or foam layer of a conductive material, such as an open-cell urethane foam impregnated with finely-divided conductive particles, and a film-forming binder material to secure the particles uniformly onto the foam.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: November 17, 1981
    Assignee: Charleswater Products, Inc.
    Inventor: George R. Berbeco
  • 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: 4294882
    Abstract: An oriented heat-sealable antistatic polypropylene film is manufactured by applying to one or both surfaces of a base polypropylene film, preferably by co-extrusion, a layer of a heat-sealable olefinic polymer (for example, a predominantly linear random copolymer of ethylene with butene-1) containing between 0.2 and 10% by weight of an anionic hydrocarbyl (preferably long chain alkyl) sulphonate. A slip agent, for example oleamide, may also be incorporated in the base polypropylene film. The antistatic film has improved heat-sealing properties which permits it to be run successfully on packaging machinery at high speeds.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: October 13, 1981
    Assignee: British Cellophane Limited
    Inventors: William J. Andrews, David J. C. Espley, William J. M. Philpott
  • Patent number: 4286004
    Abstract: The present invention relates to rendering antistatic polyurethane foams, particularly polyurethane foams which are used as textile coating such as carpet backings. The antistatics are terminally esterified or etherified polyalkylene oxide adducts of the general formulaR--(CHR'--CH.sub.2 O)n--CHR'--CH.sub.2 R"in which R and R", which can be identical or different, denote a linear or branched alkoxy radical with 1 to 22 C atoms, an alkylaryloxy radical with 10 to 18 C atoms, an acyloxy radical with 1 to 18 C atoms or a halogen radical, R' denotes hydrogen or a methyl radical, and n denotes a whole number between 2 and 20. The antistatic finishing of the polyurethane foams is preferably effected by addition of the alkylene oxide adducts to the starting materials of the polyurethane foam. Preferably, the antistatic agents are dissolved in the diol component of the polyurethane. The so finished polyurethane foams have an antistatic content of 5 to 30 weight % relative to the polyurethane.
    Type: Grant
    Filed: May 7, 1980
    Date of Patent: August 25, 1981
    Assignee: Chemische Fabrik
    Inventors: Kurt Dahmen, Siegfried Pfabe
  • Patent number: 4283310
    Abstract: A polyvinyl chloride composition for use in extrusion moulding contains an alkaline earth metal or zinc soap of one or more fatty acids having an iodine value of from 20-60 as the only stabilizer, a lubricant and is lead-free.
    Type: Grant
    Filed: November 6, 1979
    Date of Patent: August 11, 1981
    Assignee: Talres Development (N.A.) N.V.
    Inventors: Kenneth James, Frederick J. Smith
  • Patent number: 4283315
    Abstract: Gramophone records are prepared from a vinyl polymer composition containing a fatty acid soap of an alkaline earth metal or zinc, sugar or polyol fatty acid esters and fatty acid mixed glycerides and is free of heavy metal ions.
    Type: Grant
    Filed: November 6, 1979
    Date of Patent: August 11, 1981
    Assignee: Talres Development (N.A.) N.V.
    Inventors: Kenneth James, Frederick J. Smith
  • 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: 4175969
    Abstract: This invention relates to photographic elements having a coatable, non-photoactive protective surface of improved antistatic properties. The improvement is accomplished by incorporation into this layer of an anionic fluorocarbon surfactant which is characterized by being low molecular weight oligomers of tetrafluoroethylene. In a preferred embodiment of the invention, a gelatin surface protective layer of an X-ray film includes about 1.0-3.5% by weight, based on the gelatin solids of the layer, of oligomers of tetrafluoroethylene having a large amount of hydrophilic fluoroalkyl branching in the fluorocarbon chain.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: November 27, 1979
    Assignee: GAF Corporation
    Inventor: E. Scudder Mackey
  • Patent number: 4127685
    Abstract: An object is coated with a plastics film by a process in which a preformed solid plastics film is brought into contact with an object, the film is stretched over the object and substantially all the film made to adhere substantially permanently to the object. Thus, a tacky plastics film may be held in a frame and the object pushed through the film. Alternatively the object may be conveyed on a moving belt to a position adjacent to a heated plastics film and the film brought into contact with the object. The plastics film may for example be an ethylene-vinyl acetate copolymer.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: November 28, 1978
    Assignee: Exxon Research & Engineering Company
    Inventors: William J. Busby, Piet L. H. Verbunt
  • Patent number: 4127552
    Abstract: Antistatic footwear has an outsole of a vinyl chloride polymer composition containing a non-metalic stabilizer for the polymer and both an ionic and a non-ionic antistatic agent. Non-staining, colored, e.g. white outsoles can be produced having satisfactory and stable electrical properties.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: November 28, 1978
    Assignee: Dunlop Limited
    Inventors: William T. Bidston, Paul A. Blackie
  • Patent number: 4113679
    Abstract: The invention provides thermoplastic molding compositions and shaped articles made therefrom having improved antistatic properties, which comprise an antistatic agent a tricomponent mixture of a quaternary ammonium salt, a partial ester of a polyol and an organic acid, and an inorganic or organic compound containing an ammonium, alkali metal or alkaline earth metal ion. This antistatic agent is especially efficient and does not adversely affect the processability and the physical properties of the molding compositions.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: September 12, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Joachim Andrascheck, Rainer Mucke
  • Patent number: 4112206
    Abstract: Polyvinyl chloride containing certain fluorocarbon surfactants has improved antistatic properties.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: September 5, 1978
    Assignee: Continental Oil Company
    Inventor: James A. Wingrave
  • Patent number: 4107129
    Abstract: An antistatic acrylic fiber having an electrical resistivity of about 10.sup.8 .OMEGA. centimeters or less. The fiber comprises (A) an acrylonitrile homopolymer or copolymer and (B) an antistatic polymer comprising a plurality of polyether segments disposed in said polymer (A), and wherein electrically conductive carbon black is dispersed in antistatic polymer (B). Preferably antistatic polymer (B) extends in the form of long and slender stripes in the polymer (A).
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: August 15, 1978
    Assignee: Toray Industries, Inc.
    Inventors: Hiroyoshi Tanaka, Teruo Koseki, Shigeru Fujii
  • Patent number: 4061834
    Abstract: A durable antistatic coating is achieved on polymethylmethacrylate plastic without affecting its optical clarity by applying to the surface of the plastic a low molecular weight solvent having a high electron affinity and a high dipole moment such as acentonitrile or nitromethane alone or in the presence of photopolymerizable monomer. The treated polymethylmethacrylate plastic can then dissipate most of the induced electrostatic charge and retains its optical clarity. The antistatic behavior persists after washing, rubbing and vacuum treatment.
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: December 6, 1977
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Vaclav Hadek, Robert B. Somoano, Alan Rembaum
  • Patent number: 4032595
    Abstract: The reaction product of a polyalkoxylated triglyceride with an ester of oxalic or malonic acid in the ratio of at least 2 molecules of the latter to 1 molecule of the former, also synthetic polymers containing a minor proportion of the reaction product.
    Type: Grant
    Filed: August 5, 1975
    Date of Patent: June 28, 1977
    Assignee: Imperial Chemical Industries Limited
    Inventors: Ian Stuart Fisher, James Eric McIntyre
  • 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: 3966835
    Abstract: The invention relates to novel permanently antistatic polyamide compositions comprising an aliphatic polyamide and from 0.5 to 40 % by weight, based on the polyamide composition, of a polyalkylene oxide obtained by the copolymerisation of mono-epoxides with di- or tri-epoxides.
    Type: Grant
    Filed: December 22, 1972
    Date of Patent: June 29, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Geert Christoph, Eduard Radlmann, Gunther Nischk, Ludwig Bruns, Gunther Schnuchel
  • 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: 3962347
    Abstract: Method at recovery of pure 3,3,7,7-tetrahydroxymethyl-5-oxanonane from a distillation residue obtained at the production of trimethylolpropane, wherein the 3,3,7,7-tetrahydroxymethyl-5-oxanonane is crystallized by a simple crystallization from a salt containing aqueous solution of the distillation residue having a specially favorable salt proportion.
    Type: Grant
    Filed: October 16, 1973
    Date of Patent: June 8, 1976
    Assignee: Perstorp AB
    Inventor: Kurt S. Herz
  • Patent number: 3936422
    Abstract: Reaction products of mercaptans, ethylene oxide and/or propylene oxide with glycidol are effective antistatic agents when added to thermoplastics, and often also act as processing stabilisers.
    Type: Grant
    Filed: January 7, 1975
    Date of Patent: February 3, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Hermann O. Wirth, Hans-Helmut Friedrich, Helmut Linhart