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: 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
  • Publication number: 20110275837
    Abstract: Copolymer waxes, characterized by an iodine number of <15, preferably <13 g of iodine/100 g, a viscosity at 100° C. ranging between 200 to 4000 mPa*s, a dropping point ranging between 60 to 90° C., a ram penetration hardness ranging between 200 to 600 bar, an acid number ranging between 60 to 100 mg of KOH/g, and an iodine color number<10. The copolymer waxes according to the invention are suited in particular as processing aids for PVC, polyvinylidene chloride and copolymers of vinyl chloride, having up to 30% by weight comonomers.
    Type: Application
    Filed: February 5, 2010
    Publication date: November 10, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Gerd Hohner, Beate Treffler
  • Publication number: 20110200773
    Abstract: The invention relates to the use of three components in the joint extrusion with an organic polymer OP in order to facilitate higher throughput in the production of polymeric articles and profiles in extruders; the first component being a propylene-olefin-copolymer wax; the second component being a montan wax, an amide wax or a polyolefin homopolymer wax, and the third component being a metal salt of a C10-20 fatty acid; the three components can also be used in form of a composition, the composition being in the form of a masterbatch or of a compound.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 18, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Pirko Kolditz, Gerd Hohner
  • Publication number: 20110193031
    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: Application
    Filed: October 30, 2009
    Publication date: August 11, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Pirko Kolditz, Gerd Hohner
  • Publication number: 20110193030
    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: Application
    Filed: October 30, 2009
    Publication date: August 11, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Pirko Kolditz, Gerd Hohner
  • Publication number: 20100305531
    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: Application
    Filed: October 6, 2007
    Publication date: December 2, 2010
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Sebastijan Bach, Gerd Hohner
  • Patent number: 7825186
    Abstract: The invention relates to hot melt compositions comprising polyolefin waxes prepared using metallocene catalysts, have a dropping point or ring & ball softening point of between 80 and 165° C., have a melt viscosity, measured at a temperature of 170° C., of between 20 and 40 000 mPa·s, and have a glass transition temperature of not more than ?10° C. and also to their use as hot melt adhesives and as binders for producing roadmarkings.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: November 2, 2010
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Sebastijan Bach, Hans-Friedrich Herrmann, Gerd Hohner
  • Publication number: 20090137437
    Abstract: Through hydrolysis of reaction products of polyethylene or Fischer-Tropsch waxes and ?,?-unsaturated carboxylic acids or their derivatives it is possible to gain access to innovative ionomer waxes which, in contrast to known ionomers of low molecular mass, exhibit low melt viscosities even at high degrees of hydrolysis. The ionomer waxes of the invention are suitable inter alia as components of pigment masterbatches, as plastics additives, and for application in polishes, paints, and printing inks.
    Type: Application
    Filed: November 21, 2008
    Publication date: May 28, 2009
    Inventor: Gerd Hohner
  • Publication number: 20090137742
    Abstract: Through hydrolysis of graft products of poly-1-olefin waxes and ?,?-unsaturated carboxylic acids it is possible to gain access to innovative ionomer waxes which, in contrast to known ionomer waxes, exhibit low melt viscosities even at high degrees of hydrolysis. The ionomer waxes of the invention are suitable inter alia as components of pigment masterbatches, as plastics additives.
    Type: Application
    Filed: November 21, 2008
    Publication date: May 28, 2009
    Inventor: Gerd Hohner
  • Publication number: 20090036619
    Abstract: Polypropylene wax having a) a dropping or softening point determined by the ring/ball method of greater than 155° C., b) heats of fusion greater than 80 J/g and c) a DSC melting point of >155° C. The waxes of the invention are prepared by reaction of propylene with metallocene compounds at temperatures in the range from 40 to 140° C. and an olefin partial pressure in the range from 1 to 50 bar in the presence of a cocatalyst. They have a content of unsaturated chain ends of less than 10%. They can, for example, be modified by means of a free-radical grafting reaction with polar monomers and are, for example, suitable in unmodified form as dispersants for pigments, as additive in printing inks and surface coatings or toners or in modified form for producing aqueous dispersions or as bonding agents and compatibilizers in plastic compounds.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 5, 2009
    Inventors: Hans-Friedrich Herrmann, Gerald Mehltretter, Hans Rausch, Gerd Hohner
  • Patent number: 7449504
    Abstract: The invention relates to the use of waxes as modifiers for filled plastics.
    Type: Grant
    Filed: April 6, 2005
    Date of Patent: November 11, 2008
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Eric Richter, Gerd Hohner
  • Publication number: 20080262148
    Abstract: The invention relates to hot melt compositions comprising polyolefin waxes prepared using metallocene catalysts, have a dropping point or ring & ball softening point of between 80 and 165° C., have a melt viscosity, measured at a temperature of 170° C., of between 20 and 40 000 mPa·s, and have a glass transition temperature of not more than ?10° C. and also to their use as hot melt adhesives and as binders for producing roadmarkings.
    Type: Application
    Filed: June 11, 2008
    Publication date: October 23, 2008
    Inventors: Sebastijan Bach, Hans-Friedrich Herrmann, Gerd Hohner
  • Patent number: 7276321
    Abstract: Photo toners including a wax-like compound of the formula (I), detailed in the specification. In formula (I), R1 represents the group —CH2—O—CO—R3 or CH(OH)—CH2—O—CO—R3, R2 represents an alkyl radical comprising between 1 and 4 C atoms or halogen, R3 represents an unbranched alkyl radical comprising between 16 and 36 C atoms, m is 1, 2 or 3, and n is between 0 and (6?m).
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: October 2, 2007
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Gerd Hohner, Michael Bayer
  • Publication number: 20070117907
    Abstract: The invention relates to hot melt compositions based on isotactic, low molecular mass, low viscosity homopolymer or copolymer waxes and atactic polyalpha-olefins (APAOs). Hot melt compositions of this kind can be used with outstanding effect as hot melt adhesives.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 24, 2007
    Inventors: Sebastijan Bach, Hans-Friedrich Herrmann, Gerd Hohner
  • Publication number: 20070117906
    Abstract: Hot melt compositions are based on isotactic, low molecular mass, low viscosity homopolymer or copolymer waxes, atactic polyalpha-olefins (APAOs), and a resin fraction below 20% by weight. Hot melt compositions of this kind can be used with outstanding effect as hot melt adhesives.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 24, 2007
    Inventors: Sebastijan Bach, Hans-Friedrich Herrmann, Gerd Hohner
  • Publication number: 20070117894
    Abstract: Hot melt compositions of the type according to the invention comprise up to 40% by weight of one or more isotactic homopolymer and/or copolymer waxes comprising the monomers ethylene and/or propylene and/or higher linear or branched alpha-olefins having 4 to 20 carbon atoms, which have been prepared by polymerization of the corresponding monomers in the presence of metallocene as catalyst, and at least 60% by weight of one or more amorphous, atactic polyalpha-olefins. Hot melt compositions of this kind are suitable for use as hot melt adhesives.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 24, 2007
    Inventors: Sebastijan Bach, Hans-Friedrich Herrmann, Gerd Hohner
  • Publication number: 20070031361
    Abstract: Cosmetic, pharmaceutical or dermatological preparations are described which comprise one or more homopolymer and/or copolymer waxes of the monomers ethylene and/or propylene. The homopolymer and copolymer waxes have a weight-average molecular weight Mw of less than or equal to 25 000 g/mol, a number-average molecular weight Mn of less than or equal to 15 000 g/mol, a molar mass distribution Mw/Mn in the range from 1.5 to 10 and have been obtained by metallocene catalysis. The copolymer waxes comprise, based on the total weight of the copolymer waxes, 0.1 to 30.0% by weight of structural units originating from the one monomer and 70.0 to 99.9% by weight of structural units originating from the other monomer.
    Type: Application
    Filed: June 8, 2006
    Publication date: February 8, 2007
    Inventors: Hans-Friedrich Herrmann, Anton Lukasch, Gerd Hohner, Heike Michaelis, Angela Lachmann
  • Publication number: 20060235134
    Abstract: The invention relates to hot-melt adhesive materials containing polyolefin waxes, wherein said polyolefin waxes are produced with the aid of metallocen catalysts and have a ring/ball dripping or softening point between 80 and 165° C. and a maximum melt viscosity of 40000 mPa·s, measured at a temperature of 10° C. above the dripping or softening point.
    Type: Application
    Filed: May 18, 2004
    Publication date: October 19, 2006
    Inventors: Sebastijan Bach, Hans-Friedrich Herrmann, Gerd Hohner