Patents by Inventor Ervin Kovats

Ervin Kovats 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).

  • Silicon dioxide based microspheres for rapid chromatographic separation of biomolecules
    Patent number: 5762803
    Abstract: Disclosed is a method for the rapid chromatographic separation and analysis of biomolecules using non-porous, monosized silicon dioxide microspheres covered with a dense layer of triorganylsilyl groups.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: June 9, 1998
    Assignee: CU Chemie Uetikon AG
    Inventors: Ervin Kovats, Laszlo Jelinek, Robert Ohmacht
  • Flavoring with cycloaliphatic unsaturated ketones
    Patent number: 4226892
    Abstract: New cycloaliphatic unsaturated ketones and their use as perfuming and odor-modifying agents in the manufacture of perfumes and perfumed products, and as flavoring and taste-modifying agents in the preparation of foodstuffs in general and imitation flavors for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Methods for the preparation of said cycloaliphatic unsaturated ketones.
    Type: Grant
    Filed: April 27, 1978
    Date of Patent: October 7, 1980
    Assignee: Firmenich SA
    Inventors: Ervin Kovats, Edouard Demole, Gunther Ohloff, Max Stoll, deceased
  • Cycloaliphatic unsaturated ketones as odor and taste modifying agents in tobacco products
    Patent number: 4187863
    Abstract: New cycloaliphatic unsaturated ketones used as flavoring and taste modifying agents in tobacco products.
    Type: Grant
    Filed: March 29, 1977
    Date of Patent: February 12, 1980
    Assignee: Firmenich SA
    Inventors: Ervin Kovats, Edouard Demole, Gunther Ohloff, Max Stoll, deceased
  • Cycloaliphatic unsaturated ketones as odor- and taste-modifying agents
    Patent number: 3975310
    Abstract: New cycloaliphatic unsaturated ketones and their use as perfuming and odor-modifying agents in the manufacture of perfumes and perfumed products, and as flavoring and taste-modifying agents in the preparation of foodstuffs in general and imitation flavors for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Methods for the preparation of said cycloaliphatic unsaturated ketones.
    Type: Grant
    Filed: September 6, 1974
    Date of Patent: August 17, 1976
    Assignee: Firmenich S.A.
    Inventors: Ervin Kovats, Edouard Demole, Gunther Ohloff, Max Stoll, deceased
  • Alkenoyl-cyclohexadienes
    Patent number: 3931326
    Abstract: New cycloaliphatic unsaturated ketones and their use as perfuming and odour-modifying agents in the manufacture of perfumes and perfumed products, and as flavouring and taste-modifying agents in the preparation of foodstuffs in general and imitation flavours for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Methods for the preparation of said cycloaliphatic unsaturated ketones.
    Type: Grant
    Filed: November 14, 1974
    Date of Patent: January 6, 1976
    Assignee: Firmenich SA
    Inventors: Ervin Kovats, Edouard Demole, Gunther Ohloff, Max Stoll, deceased