Patents by Inventor Louis J. Strasburger

Louis J. Strasburger 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).

  • Foodstuff flavoring compositions comprising alkylidene alkenals and processes for preparing same as well as flavoring compositions for use in such foodstuff
    Patent number: 3988487
    Abstract: Methods for altering, modifying or enhancing the organoleptic properties of foodstuffs and perfumes comprising incorporating with such materials a small but effective amount (from 0.02 ppm up to about 150 ppm) of at least one 2-alkylidene-cis-3-alkenal or at least one 2-alkylidene-trans-3-alkenal or a mixture having at last one 2-alkylidene-trans-3-alkenal and one 2-alkylidene-cis-3-alkenal represented by the formula: ##SPC1##Or di-lower alkyl acetal thereof wherein one of R.sub.1 and R.sub.2 is hydrogen and the other is lower alkyl; and one of R.sub.3 and R.sub.4 is hydrogen and the other is lower alkyl; together with compositions containing the said 2-alkylidene-3-alkenals or acetals thereof for use in altering such organoleptic properties.
    Type: Grant
    Filed: August 12, 1975
    Date of Patent: October 26, 1976
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anne Sanderson, Gerard Mosciano, Alan O. Pittet, Louis J. Strasburger, William L. Schreiber, Michel Van Praag, Edward J. Shuster, Bernard J. Rutkowsky, William J. Evers
  • Processes for producing strawberry flavor compositions and products
    Patent number: RE30363
    Abstract: Processes for imparting a fresh fruit flavor, particularly strawberry flavor, to foods by adding a small amount of .Iadd.substantially pure .Iaddend.2-methyl-2-pentenoic acid, as well as flavoring concentrate compositions and food compositions prepared with such .Iadd.substantially pure .Iaddend.2-methyl-2-pentenoic acid.
    Type: Grant
    Filed: May 5, 1976
    Date of Patent: August 5, 1980
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Philip deC. Kratz, Louis J. Strasburger