Patents by Inventor Steven van den Bosch

Steven van den Bosch 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).

  • Sulfur-containing flavoring agents
    Patent number: 4477678
    Abstract: Novel thioether compounds are disclosed which are useful as flavoring materials to enhance or impart meat-like flavors to foodstuffs. These compounds have the general formula ##STR1## where X can be, under specified conditions, --CH.sub.2 --, oxygen, or sulfur, Y can be oxygen or sulfur and R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrogen or 1 to 3 carbon alkyl groups.
    Type: Grant
    Filed: January 4, 1983
    Date of Patent: October 16, 1984
    Assignee: P.F.W. Beheer B.V.
    Inventors: Steven van den Bosch, Dirk K. Kettenes, Kris B. de Ross, Gerben Sipma, Jan Stoffelsma
  • Methylthiomethyl esters as flavor additives
    Patent number: 4414233
    Abstract: Methylthiomethyl esters of aliphatic acids have been found useful in imparting or enhancing flavors in foodstuffs. They are particularly useful with respect to dairy-type flavors.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: November 8, 1983
    Assignee: Polak's Frutal Works, B.V.
    Inventors: Steven van den Bosch, Evert van't Land, Jan Stoffelsma
  • Novel sulfur-containing flavoring agents
    Patent number: 4380655
    Abstract: Novel thioether compounds are disclosed which are useful as flavoring materials to enhance or impart meat-like flavors to foodstuffs. These compounds have the general formula ##STR1## where X can be, under specified conditions, --CH.sub.2 --, oxygen, or sulfur, Y can be oxygen or sulfur and R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrogen or 1 to 3 carbon alkyl groups.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: April 19, 1983
    Assignee: P.F.W. Beheer B.V.
    Inventors: Steven van den Bosch, Dirk K. Kettenes, Kris Bart de Roos, Gerben Sipma, Jan Stoffelsma
  • Methylthiomethyl esters as flavor additives
    Patent number: 4332829
    Abstract: Methylthiomethyl esters of aliphatic acids have been found useful in imparting or enhancing flavors in foodstuffs. They are particularly useful with respect to fruit and berry flavors.
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: June 1, 1982
    Assignee: Polak's Frutal Works, B.V.
    Inventors: Steven van den Bosch, Evert van't Land, Jan Stoffelsma
  • Sulfur-containing flavoring agents
    Patent number: 4120985
    Abstract: New chemical compounds are disclosed having the general formula ##STR1## where X and Y are oxygen or sulfur and R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrogen or lower alkyl groups. The compounds are useful in a variety of flavoring applications.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: October 17, 1978
    Assignee: P.F.W. Beheer B.V.
    Inventor: Steven van den Bosch
  • Sulfur-containing flavoring agents
    Patent number: 4119737
    Abstract: Novel thioether compounds are disclosed which are useful as flavoring materials to enhance or impart meat-like flavors to foodstuffs. These compounds have the general formula ##STR1## where X can be, under specified conditions, --CH.sub.2 --, oxygen, or sulfur, Y can be oxygen or sulfur and R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrogen or 1 to 3 carbon alkyl groups.
    Type: Grant
    Filed: January 26, 1977
    Date of Patent: October 10, 1978
    Assignee: P.F.W. Beheer B.V.
    Inventors: Steven van den Bosch, Dirk Karel Kettenes, Kris Bart DE Roos, Gerben Sipma, Jan Stoffelsma
  • Spiro-1,2,4-trithiolan containing flavoring agents and method of use
    Patent number: 4073957
    Abstract: New chemical compounds are disclosed having the general formula ##STR1## wherein X is oxygen, sulfur, or methylene and R.sub.1, R.sub.2, and R.sub.3, are hydrogen or lower alkyl groups. These compounds are useful in a variety of flavoring applications.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: February 14, 1978
    Assignee: P.F.W. Beheer B.V.
    Inventor: Steven van den Bosch