Patents by Inventor Ariane Wetzel

Ariane Wetzel 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: 6911473
    Abstract: The present invention relates to a composition comprising an organic preservative acid and a UV-active indicator substance for preserving wood and for detection of the sufficient preservation of wood.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: June 28, 2005
    Assignee: Nutrinova Nutrition Specialties & Food Ingredients GmbH
    Inventors: Nico N. Raczek, Ariane Wetzel
  • Publication number: 20030232885
    Abstract: The present invention relates to a composition comprising an organic preservative acid and a UV-active indicator substance for preserving wood and for detection of the sufficient preservation of wood.
    Type: Application
    Filed: November 27, 2002
    Publication date: December 18, 2003
    Inventors: Nico N. Raczek, Ariane Wetzel
  • Publication number: 20030139308
    Abstract: Aqueous solutions of alkali metal or alkaline earth metal salts of sorbic acid, in particular of potassium sorbate, are highly suitable for the environmentally friendly removal or prevention of deposits on mineral surfaces such as stone, ceramics, concrete or mortar surfaces, which occur on these surfaces due to or as the consequence of algal growth.
    Type: Application
    Filed: January 8, 2003
    Publication date: July 24, 2003
    Inventors: Ariane Wetzel, Britta Iven
  • Patent number: 6573298
    Abstract: The invention relates to wood which is impregnated with sorbic acid and/or one or more salts of sorbic acid. Furthermore, the invention relates to a method for protecting wood by treatment with sorbic acid and/or one or more salts of sorbic acid.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: June 3, 2003
    Assignee: Nutrinova Nutrition Specialties & Food Ingredients GmbH
    Inventor: Ariane Wetzel
  • Publication number: 20010018454
    Abstract: The invention relates to wood which is impregnated with sorbic acid and/or one or more salts of sorbic acid. Furthermore, the invention relates to a method for protecting wood by treatment with sorbic acid and/or one or more salts of sorbic acid.
    Type: Application
    Filed: December 7, 2000
    Publication date: August 30, 2001
    Inventor: Ariane Wetzel