Patents by Inventor Sven Hernestam

Sven Hernestam 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).

  • Process for preparing delmopinol via the intermediates isoxazolidines and isoxazolines
    Patent number: 5212305
    Abstract: The invention concerns a new process for preparing delmopinol using intermediates having the formula ##STR1## wherein R is 2-propylpentyl optionally with one, two or three internal unsaturated bonds, or 2-substituted-2-propylpentyl optionally with one or two internal unsaturated bonds wherein the 2-substituent is a leaving group.
    Type: Grant
    Filed: July 22, 1992
    Date of Patent: May 18, 1993
    Assignee: Kabi Pharmacia Aktibolag
    Inventors: Sven Hernestam, Bernt Thelin, Elisabeth Seifert, Arne Nilsson
  • Substituted isoxazolidines and isoxazolines as intermediates for delimopinal
    Patent number: 5155220
    Abstract: The invention concerns intermediates having the formula ##STR1## wherein R is 2-propylpentyl optionally with one, two or three internal unsaturated bonds, or 2-substituted-2-propylpentyl optionally with one or two internal unsaturated bonds wherein the 2-substituent is a leaving group.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: October 13, 1992
    Assignee: Kabi Pharmacia Aktiebolag
    Inventors: Sven Hernestam, Bernt Thelin, Elisabeth Seifert, Arne Nilsson