Patents by Inventor Jans-Jürgen Köhle

Jans-Jürgen Köhle 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: 7015187
    Abstract: The present invention relates to a biodegradable softener compounds with an acid value of no more than 6.5. A process for making said compound is also provided.
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: March 21, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Hugo Jean-Marie Demeyere, Robert Otis Keys, Jans-Jürgen Köhle, Johan De Poortere, Errol Hoffman Wahl
  • Patent number: 6759383
    Abstract: The present invention relates to a biodegradable softener compounds with an acid value of no more than 6.5. A process for making said compound is also provided. The softener can be incorporated into softener compositions to form solid and liquid compositions, including liquid dispersions and clear compositions.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: July 6, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Hugo Jean-Marie Demeyere, Robert Otis Keys, Jans-Jürgen Köhle, Johan De Poortere, Errol Hoffman Wahl
  • Patent number: 6521589
    Abstract: The present invention relates to biodegradable softener compounds of the formula (1): [(R)4-m—N(+)—[(CH2)n—Y—R1]m]X(−) with an acid value of no more than 6.5. A process for making said compound is also provided. The softener can be incorporated into softener compositions to form solid and liquid compositions, including liquid dispersions and clear compositions.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: February 18, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Hugo Jean-Marie Demeyere, Robert Otis Keys, Jans-Jürgen Köhle, Johan De Poortere, Errol Hoffman Wahl