Patents by Inventor Ralf Heinen

Ralf Heinen 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).

  • Nonfelting wool and antifelt finishing process
    Patent number: 7097909
    Abstract: The present invention relates to a specific process in which wool is initially subjected to a plasma treatment and then to a wet chemical treatment with a finishing agent, which provides nonfelting wool in a technically simple and easily handleable manner.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: August 29, 2006
    Assignee: LANXESS Corporation
    Inventors: Bernhard Jansen, Ferdi Kümmeler, Ralf Heinen
  • Nonfelting wool and antifelt finishing process
    Publication number: 20050244591
    Abstract: The present invention relates to a specific process in which wool is initially subjected to a plasma treatment and then to a wet chemical treatment with a finishing agent, which provides nonfelting wool in a technically simple and easily handleable manner.
    Type: Application
    Filed: October 16, 2003
    Publication date: November 3, 2005
    Inventors: Bernhard Jansen, Ferdi Kummeler, Ralf Heinen
  • Acid-resistant solutions containing aromatic formaldehyde condensation products
    Patent number: 6846336
    Abstract: The present invention relates to acid-resistant solutions containing aromatic formaldehyde condensation products having sulfonate and/or carboxylate groups, aliphatic carboxylic acids, aromatic sulfonic acids, and glycol ether solvents, to the preparation thereof, and to their use as leveling agents, dispersants or fastness improvers in textile finishing, as tanning agents for leather, and in the stain resist finishing of textile materials.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: January 25, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Gerle, Klaus Walz, Hans Albert Ehlert, Ralf Heinen
  • Nonfelting wool and antifelt finishing process
    Patent number: 6649029
    Abstract: The present invention relates to a specific process in which wool is initially subjected to a plasma treatment and then to a wet chemical treatment with a finishing agent, which provides nonfelting wool in a technically simple and easily handleable manner.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: November 18, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernhard Jansen, Ferdi Kümmeler, Ralf Heinen
  • Nonfelting wool and antifelt finishing process
    Publication number: 20020104167
    Abstract: The present invention relates to a specific process in which wool is initially subjected to a plasma treatment and then to a wet chemical treatment with a finishing agent, which provides nonfelting wool in a technically simple and easily handleable manner.
    Type: Application
    Filed: November 28, 2001
    Publication date: August 8, 2002
    Inventors: Bernhard Jansen, Ferdi Kummeler, Ralf Heinen
  • N-menthylol derivatives of polycondensation products, their preparation and use
    Patent number: 5569724
    Abstract: N-Methylol derivatives of polycondensation products containing quaternary N atoms obtained fromA) basic ureas of the formulaHN(R.sup.1)--C--N(R.sup.2)--X.sup.1 --N(R.sup.3, R.sup.4) (I),B) polyamines of the formula(R.sup.6, R.sup.7)N--X.sup.2 --N(R.sup.8, R.sup.9) (II)andC) bifunctional alkylating agents,in whichX.sup.1, X.sup.2 and R.sup.1 -R.sup.9 have the meanings given in the description, are new. They are used as agents for improving the wet fastness properties of dyeings on cellulose and cellulose blend fabrics.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: October 29, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Udo-Winfried Hendricks, Ralf Heinen