Patents by Inventor Gerd Hohner

Gerd Hohner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10676618
    Abstract: The invention provides polar-modified rice husk waxes obtainable by free-radical grafting of unmodified rice husk waxes with graft comonomers selected from the group of the ?,?-unsaturated mono- or polybasic carboxylic acids or derivatives thereof. The invention further provides derivatization products prepared by chemical conversion of the polar-modified rice husk waxes of the invention. The invention further provides processes for producing the products of the invention and for the use thereof.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: June 9, 2020
    Assignee: Clariant International Ltd
    Inventors: Manuel Broehmer, Halil Can Aran, Erik Hauck, Gerd Hohner, Stefanie Goeres, Rosemarie Weber, Rainer Fell
  • Publication number: 20190276713
    Abstract: The invention relates to contact adhesive compounds containing 5 to 50 wt % copolymers of propylene having ethylene and/or having olefins, selected from the group of 1-olefins having 4 to 20 C atoms, wherein the copolymers have been produced with the aid of metallocene catalysts and are characterized by a) a flow point, measured in accordance with ASTM D97, of <50° C., b) a viscosity at 170° C. in the range from 20 to 3000 mPa·s, measured with a rotary viscometer to DIN 53019, c) a density in the range from 0.84 to 0.90 g/cm3, measured at 23° C. in accordance with ISO 1183, d) a glass transition temperature of <?35° C., measured in accordance with the DSC method according to DIN EN ISO 11357-2:2014.
    Type: Application
    Filed: October 12, 2017
    Publication date: September 12, 2019
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventors: Christian STEIB, Erik HAUCK, Gerd HOHNER, Andreas LANG, Manuel BROEHMER
  • Patent number: 10106695
    Abstract: The invention relates to a printing ink system containing glycosidic polymers and polyolefin- and/or Fischer-Tropsch-waxes and/or amide waxes and/or bio-based waxes and optionally pigments, binders and/or solvents. The glycosidic polymer has a specific surface area according to BET from a minimum 0.45 m2/g and a particle size distribution having an uniformity coefficient (D60/D10) to a maximum of 3.5.
    Type: Grant
    Filed: August 4, 2012
    Date of Patent: October 23, 2018
    Assignee: Clariant International Ltd.
    Inventors: Sebastijan Bach, Gerd Hohner, Timo Herrlich, Rainer Fell, Daniela True
  • Publication number: 20180237639
    Abstract: The invention provides polar-modified rice husk waxes obtainable by free-radical grafting of unmodified rice husk waxes with graft comonomers selected from the group of the ?,?-unsaturated mono- or polybasic carboxylic acids or derivatives thereof. The invention further provides derivatization products prepared by chemical conversion of the polar-modified rice husk waxes of the invention. The invention further provides processes for producing the products of the invention and for the use thereof.
    Type: Application
    Filed: July 14, 2016
    Publication date: August 23, 2018
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventors: Manuel BROEHMER, Halil CAN ARAN, Eric HAUCK, Gerd HOHNER, Stefanie GOERES, Rosemarie WEBER, Rainer FELL
  • Publication number: 20180127522
    Abstract: A polyethylene homopolymer having improved grindability, prepared with a metallocene catalyst system and is characterized by a melt viscosity of 5 to <60 mPa·s at 140° C. and a ram penetration hardness ranging from 210 to 500 bar, as measured according to DGF M-III 9e, and to use thereof as a component in toners, hot-melt adhesives or pigment master batches.
    Type: Application
    Filed: April 26, 2016
    Publication date: May 10, 2018
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventors: Andreas LANG, Hans-Friedrich HERRMANN, Gerd HOHNER, Sebastijan BACH, Rainer FELL
  • Patent number: 9447279
    Abstract: The invention relates to waxy oxidation products of rice bran, which are characterized by an acid number measured according to DIN ISO 2114 of at least 70 mg KOH/g, preferably at least 100 mg KOH/g, most preferably at least 140 mg KOH/g, and their use for producing synthetic ester waxes by esterification with one or more mono- or polyvalent alcohols.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: September 20, 2016
    Assignee: Clariant International Ltd.
    Inventors: Timo Herrlich, Stefanie Wolf, Rainer Fell, Gerd Hohner
  • Patent number: 9284431
    Abstract: The invention relates to a solvent-based separation method for the total material recycling of materials used in nonwoven, woven, and tufted wares into the individual material components thereof sorted by type. At least one of the materials contains a polyolefin wax. As a solvent and/or swelling agent, halogen-free, aliphatic hydrocarbons or aromatic hydrocarbons or a mixture of one or several of said solvents are used.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: March 15, 2016
    Assignee: Clariant International Ltd.
    Inventors: Gerd Hohner, Christian Steib, Timo Herrlich
  • Publication number: 20160060463
    Abstract: The invention relates to paste preparations containing 0.5-30% w/w chemically unmodified rice bran wax, —0.5-30% w/w paraffin wax, selected from the group of macrocrystalline and microcrystalline paraffins and Fischer-Tropsch paraffins, —optionally up to a maximum of 10% w/w polyethylene wax, —optionally up to a maximum of 10% w/w native or chemically modified recent or fossil vegetable waxes and—organic solvents to make up to 100% w/w.
    Type: Application
    Filed: April 4, 2014
    Publication date: March 3, 2016
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventors: Rosemarie WEBER, Gerd HOHNER, Timo HERRLICH, Stefanie GOERES, Anton LUKASCH, Rainer FELL
  • Publication number: 20150284661
    Abstract: The invention relates to waxy oxidation products of rice bran, which are characterized by an acid number measured according to DIN ISO 21 14 of at least 70 mg KOH/g, preferably at least 100 mg KOH/g, most preferably at least 140 mg KOH/g, and their use for producing synthetic ester waxes by esterification with one or more mono- or polyvalent alcohols.
    Type: Application
    Filed: October 11, 2013
    Publication date: October 8, 2015
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Timo Herrlich, Stefanie Wolf, Rainer Fell, Gerd Hohner
  • Publication number: 20150247039
    Abstract: The invention relates to waxy oxidation products of rice bran, which are characterized by an acid number measured according to DIN ISO 2114 of at least 70 mg KOH/g, preferably at least 100 mg KOH/g, most preferably at least 140 mg KOH/g, and their use for producing synthetic ester waxes by esterification with one or more mono- or polyvalent alcohols.
    Type: Application
    Filed: October 11, 2013
    Publication date: September 3, 2015
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Timo Herrlich, Stefanie Wolf, Rainer Fell, Gerd Hohner
  • Publication number: 20150005401
    Abstract: The invention relates to a solvent-based separation method for the total material recycling of materials used in nonwoven, woven, and tufted wares into the individual material components thereof sorted by type. At least one of the materials contains a polyolefin wax. As a solvent and/or swelling agent, halogen-free, aliphatic hydrocarbons or aromatic hydrocarbons or a mixture of one or several of said solvents are used.
    Type: Application
    Filed: February 1, 2013
    Publication date: January 1, 2015
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Timo Herrlich, Christian Steib, Gerd Hohner
  • Publication number: 20140364551
    Abstract: The instant invention relates to the use of waxlike esters as lubricants for halogen containing thermoplastics. The waxlike esters are prepared by A) metathetic oligomerization of esters of polyols and fatty acids, and B) subsequent hydrogenation of the resultant reaction mixture, at least some of the fatty acid units present in the polyol esters being singly or multiply unsaturated.
    Type: Application
    Filed: June 30, 2012
    Publication date: December 11, 2014
    Applicant: Elevance Renewable Sciences, Inc.
    Inventors: Gerd Hohner, Timo Herrlich, Beate Treffler, Rainer Fell
  • Publication number: 20140296392
    Abstract: The invention relates to a printing ink system containing glycosidic polymers and polyolefin- and/or Fischer-Tropsch-waxes and/or amide waxes and/or bio-based waxes and optionally pigments, binders and/or solvents. The glycosidic polymer has a specific surface area according to BET from a minimum 0.45 m2/g and a particle size distribution having an uniformity coefficient (D60/D10) to a maximum of 3.5.
    Type: Application
    Filed: August 4, 2012
    Publication date: October 2, 2014
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Sebastijan Bach, Gerd Hohner, Timo Herrlich, Rainer Fell, Daniela True
  • Patent number: 8741183
    Abstract: The invention relates to compositions comprising certain propylene-olefin-copolymer waxes and carbon black (CB), the compositions being in the form of masterbatches, compounds or conductive polymers, and their use for producing conductive polymers and articles made of conductive polymers.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: June 3, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Pirko Kolditz, Gerd Hohner
  • Patent number: 8716384
    Abstract: The invention relates to pigment concentrates for coloring thermoplastics, comprising—at least one color pigment—at least one copolymer wax, produced by converting long-chain olefin hydrocarbon in the chain length range of ?12 C-atoms having unsaturated polycarboxylic acids or anhydrides thereof in the presence of at least one radical starter and comprising a) 40-60 mol-% units derived from ?-olefins of the chain length C12-C60, preferably C24-C60, particularly preferably C28-C60 and b) 60-40 mol-% units that derive from unsaturated polycarbolxylic acids or anhydrides thereof, and at least one thermoplastic polyolefin as applicable.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: May 6, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Gerd Hohner
  • Patent number: 8563134
    Abstract: Finely distributed copolymer waxes, which are in particular suitable as additives for lacquers, produced by a) reacting long-chained olefin hydrocarbons with chain lengths being greater than or equal to 28 C-atoms with unsaturated polycarboxylic acids or the anhydrides thereof in the presence of at least one radical initiator and b) subsequent micronization by milling or spraying, characterized in that the particles of the milled or sprayed copolymer waxes are less than 50 ?m, preferably less than 40 ?m, particularly preferably less than 30 ?m 98 to 99 are preferred, 5% of the particles, in particular 99.5 to 100% of the particles less than 50 ?m, preferably less than 40 ?m, particularly preferably less than 30 ?m.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: October 22, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Sebastijan Bach, Gerd Hohner
  • Patent number: 8491821
    Abstract: The invention relates to compositions comprising certain propylene-olefin-copolymer waxes, and carbon nanotubes (CNTs), the compositions being in the form of masterbatches, compounds or conductive polymers, and their use for producing conductive polymers and articles made of conductive polymers.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: July 23, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Pirko Kolditz, Gerd Hohner
  • Patent number: 8487026
    Abstract: The invention relates to a hot-melt adhesive substance for sticking together fibrous materials such as matted nonwovens or woven textiles with smooth substrate surfaces, such as plastic or metal films, and for laminating said materials. Said substance is characterized in that it contains at least one polyolefin which has been produced by polymerization in the presence of metallocene as a catalyst and has a ring/ball softening point of between 50 and 165° C. and a melting viscosity, measured at a temperature of 170° C., of between 20 and 40,000 mPa-s. The hot-melt adhesive substance can also contain at least one adhesive component and is used in a quantity of between 3 and 6 g/m2, preferably between 4 and 5.5 g/m2, for sticking a film to a nonwoven material during the production of hygiene items such as disposable nappies, baby nappies, incontinence products, panty liners and/or sanitary towels.
    Type: Grant
    Filed: October 6, 2007
    Date of Patent: July 16, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Sebastijan Bach, Gerd Hohner
  • Publication number: 20120123036
    Abstract: The invention relates to pigment concentrates for coloring thermoplastics, comprising—at least one color pigment—at least one copolymer wax, produced by converting long-chain olefin hydrocarbon in the chain length range of ?12 C-atoms having unsaturated polycarboxylic acids or anhydrides thereof in the presence of at least one radical starter and comprising a) 40-60 mol % units derived from ?-olefins of the chain length C12-C60, preferably C24-C60, particularly preferably C28-C60, and b) 60-40 mol-% units that derive from unsaturated polycarboxylic acids or anhydrides thereof, and at least one thermoplastic polyolefin as applicable.
    Type: Application
    Filed: July 26, 2010
    Publication date: May 17, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Gerd Hohner
  • Publication number: 20120009423
    Abstract: Finely distributed copolymer waxes, which are in particular suitable as additives for lacquers, produced by a) reacting long-chained olefin hydrocarbons chain lengths being greater than or equal to 28 C-atoms with unsaturated polycarboxylic acids or the anhydrides thereof in the presence of at least one radical initiator and b) subsequent micronization by milling or spraying, characterized in that the particles of the milled or sprayed copolymer waxes are less than 50 ?m, preferably less than 40 ?m, particularly preferably less than 30 ?m 98 to 99 are preferred, 5% of the particles, in particular 99.5 to 100% of the particles less than 50 ?m, preferably less than 40 ?m, particularly preferably less than 30 ?m.
    Type: Application
    Filed: March 16, 2011
    Publication date: January 12, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Sebastijan Bach, Gerd Hohner