Patents by Inventor Rainer Hoefer

Rainer Hoefer 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: 8524808
    Abstract: The invention is a radiation curable coating composition containing epoxyacrylate formed by ring opening reaction between (meth)acrylic acid and a self-dispersing epoxy resin in an aqueous system.
    Type: Grant
    Filed: November 12, 2005
    Date of Patent: September 3, 2013
    Assignee: IGM Group B.V.
    Inventors: Rainer Hoefer, Laurence Druene, Jean-Marc Ballin, Morgan Garinet
  • Patent number: 8461081
    Abstract: The invention relates to biocide compositions, comprising (a) at least one dialkylamide based on oleic and/or linoleic acid, and (b) at least one biocide. The compositions exhibit an improved stability even if stored at temperatures between 5° and 40° C. for an extended period.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: June 11, 2013
    Assignee: Cognis IP Management GmbH
    Inventors: Joaquin Bigorra Llosas, Javier Raya, Bernd Fabry, Rainer Höfer, Benoit Abribat
  • Patent number: 8153750
    Abstract: Ring opening products of epoxides with fatty acid methyl esters with alkanols or water are eminently suitable as viscosity adjusters (reducers) for high-viscosity polyols.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: April 10, 2012
    Assignee: Cognis IP Management GmbH
    Inventors: Thorsten Roloff, Rainer Hoefer
  • Patent number: 7959723
    Abstract: The invention is directed to the use of compositions (a) biocides, and (b) dialkylamides, for wood protection.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: June 14, 2011
    Assignee: Cognis IP Management GmbH
    Inventors: Joaquin Bigorra Llosas, Rainer Höfer, Bernd Fabry, Jean-Pierre Molitor, Stéphanie Merlet, Ramon Valls
  • Publication number: 20100331185
    Abstract: Disclosed are herbicidal compositions comprising a lithium salt of glyphosate and one or more surfactants, the surfactant(s) enhancing the herbicidal efficacy of the lithium salt of glyphosate over that of the lithium salt of glyphosate alone.
    Type: Application
    Filed: November 21, 2008
    Publication date: December 30, 2010
    Applicant: COGNIS IP MANAGEMENT GMBH
    Inventors: Benoit Abribat, Jianhua Mao, Rainer Hoefer
  • Publication number: 20100323898
    Abstract: The invention relates to biocide compositions, comprising (a) at least one dialkylamide based on oleic and/or linoleic acid, and (b) at least one biocide. The compositions exhibit an improved stability even if stored at temperatures between 5° and 40° C. for an extended period.
    Type: Application
    Filed: February 14, 2008
    Publication date: December 23, 2010
    Applicant: Cognis IP Management GmbH
    Inventors: Joaquin Bigorra Llosas, Javier Raya, Bernd Fabry, Rainer Höfer, Benoit Abribat
  • Publication number: 20100251927
    Abstract: The invention is directed to the use of compositions comprising (a) biocides, and (b) dialkylamides, for wood protection.
    Type: Application
    Filed: August 29, 2008
    Publication date: October 7, 2010
    Inventors: Joaquin Bigorra Llosas, Rainer Höfer, Bernd Fabry, Jean-Pierre Molitor, Stéphanie Merlet, Ramon Valls
  • Publication number: 20080188688
    Abstract: A process for the production of organic substances, including the steps of providing at least a two-phase system, in which selected reactants are reacted in the presence of a phase transfer catalyst, where one of the phases is an organic solvent with a log P value, at 20° C., of more than 2.6, is provided.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 7, 2008
    Inventors: Hendrik Huesken, Paul Birnbrich, Rainer Hoefer
  • Publication number: 20080171833
    Abstract: Ring opening products of epoxides with fatty acid methyl esters with alkanols or water are eminently suitable as viscosity adjusters for high-viscosity polyols.
    Type: Application
    Filed: June 22, 2005
    Publication date: July 17, 2008
    Inventors: Thorsten Roloff, Rainer Hoefer
  • Publication number: 20080095946
    Abstract: The invention is a radiation curable coating composition containing epoxyacrylate formed by ring opening reaction between (meth)acrylic acid and a self-dispersing epoxy resin in an aqueous system.
    Type: Application
    Filed: November 12, 2005
    Publication date: April 24, 2008
    Inventor: Rainer HÖFER
  • Patent number: 7214261
    Abstract: Fatty acid esters of which the fatty acid constituents are fatty acids containing a total of 12 to 22 carbon atoms and of which the alcohol constituents are saturated and/or mono- or polyolefinically unsaturated monoalcohols containing a total of 1 to 22 carbon atoms, with the additional proviso that the fatty acid constituents of the esters contain saturated and/or mono- or polyolefinically unsaturated fatty acids and have a branched structure, isostearic acid being excluded as the fatty acid constituent of the esters, are suitable as solvents for printing inks.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: May 8, 2007
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Rainer Hoefer, Matthias Fies, Alfred Westfechtel, Shailesh Shah
  • Patent number: 7192478
    Abstract: Fatty (meth)acrylates having a %-EpO content of below 0.6, which are reaction products of epoxidized compounds selected from the group consisting of epoxidized fatty acid esters, epoxidized triglycerides and mixtures thereof, and acids selected from the group consisting of acrylic acid, methacrylic acid and mixtures thereof, wherein the %-EpO content of the epoxidized compound is above 6.4, wherein the epoxidized compound is an epoxidation product of fatty acid moieties having one or more carbon-carbon double bonds, wherein less than 20 mole % of the fatty acid moieties contain three or more carbon-carbon double bonds, and wherein greater than 60 mole % of the fatty acid moieties contain two carbon-carbon double bonds are useful as pigment dispersants. Pigment dispersant concentrates, aqueous pigment dispersions and methods of dispersing pigments with the fatty (meth)acrylates are described.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: March 20, 2007
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Horst Sulzbach, Alfred Westfechtel, Lars Zander, Rainer Hoefer, Matthias Fies
  • Patent number: 7132483
    Abstract: Water-based coating composition comprising: (a) from 0.5 to 90% by weight of at least one epoxy resin other than self-dispersing epoxy resins; (b) from 0.5 to 90% by weight of at least one (meth)acrylate of a polyol; (c) from 5.0 to 98.0% by weight of water; and (d) from 0.5 to 10% by weight of one or more dispersants; wherein the at least one (meth)acrylate comprises at least two (meth)acrylate groups per molecule, and wherein the Brookfield viscosity of the composition is less than 15000 mPas.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: November 7, 2006
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Ulrich Nagorny, Rainer Hoefer
  • Patent number: 7094816
    Abstract: Water-based coating composition comprising: (a) from 0.5 to 90% by weight of at least one epoxy resin, wherein the epoxy resin is solid at 20° C., and wherein the epoxy resin is self-dispersing in water; (b) from 0.5 to 90% by weight of at least one (meth)acrylate of a polyol; and (c) from 5.0 to 99.0% by weight of water; wherein the at least one (meth)acrylate comprises at least two (meth)acrylate groups per molecule, and wherein the Brookfield viscosity of the composition is less than 15000 mPas.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: August 22, 2006
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Rainer Hoefer, Ulrich Nagorny
  • Publication number: 20050120909
    Abstract: Fatty acid esters of which the fatty acid constituents are saturated and/or mono- or polyolefinically unsaturated fatty acids containing a total of 12 to 22 carbon atoms and of which the alcohol constituents are saturated and/or mono- or polyolefinically unsaturated monoalcohols containing a total of 1 to 22 carbon atoms, with the additional proviso that the fatty acid constituents of the esters contain an alicyclic group which may optionally be substituted by an aliphatic group, are suitable as solvents for printing inks.
    Type: Application
    Filed: September 28, 2004
    Publication date: June 9, 2005
    Inventors: Rainer Hoefer, Matthias Fies, Alfred Westfechtel, Shailesh Shah
  • Publication number: 20050115457
    Abstract: Compositions containing esters based on linear fatty acids, esters based on branched fatty acids, esters based on fatty acids containing alicyclic structural elements and esters based on fatty acids containing aromatic structural elements are suitable as solvents for printing inks.
    Type: Application
    Filed: September 21, 2004
    Publication date: June 2, 2005
    Inventors: Rainer Hoefer, Matthias Fies, Alfred Westfechtel, Shailesh Shah
  • Publication number: 20050103227
    Abstract: Fatty acid esters of which the fatty acid constituents are fatty acids containing a total of 12 to 22 carbon atoms and of which the alcohol constituents are saturated and/or mono- or polyolefinically unsaturated monoalcohols containing a total of 1 to 22 carbon atoms, with the additional proviso that the fatty acid constituents of the esters contain saturated and/or mono- or polyolefinically unsaturated fatty acids and have a branched structure, isostearic acid being excluded as the fatty acid constituent of the esters, are suitable as solvents for printing inks.
    Type: Application
    Filed: September 30, 2004
    Publication date: May 19, 2005
    Inventors: Rainer Hoefer, Matthias Fies, Alfred Westfechtel, Shailesh Shah
  • Patent number: 6890967
    Abstract: Radically post-crosslinked polymers are made by a process comprising the steps of: (1) forming a polyurethane (a*) by reacting a compound (a) with an aliphatic and/or an aromatic isocyanate and a compound (c) wherein compound (a) is the product of the reaction of an epoxidized fatty acid ester and/or an epoxidized triglyceride with acrylic acid and/or methacrylic acid and wherein compound (c) is a polyol ester having two or more C?C double bonds per molecule; (2) forming a crosslinked polyurethane by reacting the polyurethane (a*) with a radical initiator (b). The polymers are useful as components in composites comprised of natural and/or synthetic fibers.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: May 10, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Horst Sulzbach, Ralf Bemmann, Rainer Hoefer, Michael Skwiercz
  • Publication number: 20050092207
    Abstract: Fatty acid esters of which the fatty acid constituents are saturated and/or mono- or polyolefinically unsaturated fatty acids containing a total of 12 to 22 carbon atoms and of which the alcohol constituents are saturated and/or mono- or polyolefinically unsaturated monoalcohols containing a total of 1 to 22 carbon atoms, with the additional proviso that the fatty acid constituents of the esters contain an aryl group which may optionally be substituted by an aliphatic group, are suitable as solvents for printing inks.
    Type: Application
    Filed: September 21, 2004
    Publication date: May 5, 2005
    Inventors: Rainer Hoefer, Matthias Fies, Alfred Westfechtel, Shailesh Shah
  • Patent number: 6881813
    Abstract: The invention relates to epoxy resin hardener compositions containing at least one mercaptan hardener and at least one metal salt of C8-24 carboxylic acids. These hardeners are distinguished in particular by the fact that catalyzed resins containing epoxy resins and the hardener compositions according to the invention give high-gloss molding compounds, more particularly coatings, after hardening by crosslinking.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: April 19, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Rainer Hoefer, Ulrich Nagorny