Patents by Inventor Bruno Willhalm

Bruno Willhalm 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).

  • Cyclic C.sub.6 esters and their use in perfumes
    Patent number: 4289659
    Abstract: New oxygenated alicyclic derivatives useful as perfuming and odor modifying agents in the manufacture of perfumes or perfumed products, and as flavoring and taste-modifying agents in the aromatization of foodstuffs in general and imitation flavors for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Novel processes for the preparation of said alicyclic derivatives and compositions of matter relating to mixtures containing same.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: September 15, 1981
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Bruno Willhalm, Fritz Gautschi
  • Cyclic C.sub.6 compounds and their use in perfumes
    Patent number: 4264467
    Abstract: New oxygenated alicyclic derivatives useful as perfuming and odor modifying agents in the manufacture of perfumes or perfumed products, and as flavoring and taste-modifying agents in the aromatization of foodstuffs in general and imitation flavors for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Novel processes for the preparation of said alicyclic derivatives and compositions of matter relating to mixtures containing same.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: April 28, 1981
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Bruno Willhalm, Fritz Gautschl
  • Cyclic C.sub.6 ketones in perfumes
    Patent number: 4147672
    Abstract: New oxygenated alicyclic derivatives useful as perfuming and odor modifying agents in the manufacture of perfumes or perfumed products, and as flavoring and taste-modifying agents in the aromatization of foodstuffs in general and imitation flavors for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Novel processes for the preparation of said alicyclic derivatives and compositions of matter relating to mixtures containing same.
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: April 3, 1979
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Bruno Willhalm, Fritz Gautschi