Patents by Inventor Marc Speitkamp

Marc Speitkamp 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).

  • Use of hexenal derivatives as perfumes
    Patent number: 7259135
    Abstract: The invention relates to hexenal derivatives of general structure (I), in which one of the bonds represented by dashes is a C—C single bond and the other is a C?C double bond, with the proviso that the C?C double bond can have a Z or E configuration, provided that it is in the C¾ position. Said derivatives are characterised by an interesting and original perfume that pervades a wide area and are suitable for use as perfumes, for example in cosmetic preparations, technical products or the alcohol-based perfume industry.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: August 21, 2007
    Assignee: Kao Corporation
    Inventors: Thomas Markert, Marc Speitkamp, Frank Rittler
  • Use of hexenal derivates as perfumes
    Publication number: 20050130875
    Abstract: The invention relates to hexenal derivatives of general structure (I), in which one of the bonds represented by dashes is a C—C single bond and the other is a C?C double bond, with the proviso that the C?C double bond can have a Z or E configuration, provided that it is in the C¾ position. Said derivatives are characterised by an interesting and original perfume that pervades a wide area and are suitable for use as perfumes, for example in cosmetic preparations, technical products or the alcohol-based perfume industry.
    Type: Application
    Filed: February 10, 2003
    Publication date: June 16, 2005
    Inventors: Thomas Markert, Marc Speitkamp, Frank Rittler
  • 2-methyl-4-ethyl-2-octene-1-aldehyde
    Publication number: 20040162447
    Abstract: The invention relates to 2-methyl-4-ethyl-2-octene-1-aldehyde of formula (I), which is characterized by interesting and original odor characteristics which diffuse extremely well. The inventive substance is suitable for use as fragrance, for example in cosmetic preparations, technical products or in alcoholic perfumery.
    Type: Application
    Filed: March 30, 2004
    Publication date: August 19, 2004
    Inventors: Thomas Markert, Ralph Nemitz, Marc Speitkamp, Theo Ten Pierik, Markus Schneider, Ralph Bunn
  • Carbonyl compounds, methods of making the same, and their use as fragrances and fragrance-enhancing additives
    Patent number: 6632787
    Abstract: Carbonyl compounds derived from the reaction of alkyl cyclopentenols and vinyl ethers are described. The carbonyl compounds described have excellent fragrance properties, and their use as fragrances and/or fragrance-enhancing compounds is also described. Processes for the preparation of the carbonyl compounds are described as well.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: October 14, 2003
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Thomas Markert, Ute Lemke, Elke Veit, Theo Ten Pierik, Ralph Nemitz, Volker Porrmann, Marc Speitkamp