Patents by Inventor Kurt Kulka

Kurt Kulka 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).

  • 1,2,3,6-Tetrahydrobenzyl alcohol esters and compositions containing the same
    Patent number: 4287100
    Abstract: Esters of 1,2,3,6-tetrahydrobenzyl alcohol have been found to exhibit powerful odorous notes such as floral, woody and fruity notes, rendering such compounds valuable as fragrance materials either alone or in compositions. These 1,2,3,6-tetrahydrobenzyl alcohol esters are prepared by reacting 1,2,3,6-tetrahydrobenzyl alcohol with an appropriate organic acid.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: September 1, 1981
    Assignee: Fritzsche Dodge & Olcott Inc.
    Inventors: Kurt Kulka, Teodosij Zazula, John M. Yurecko, Jr.
  • Perfume compositions
    Patent number: 4168248
    Abstract: The perfume compositions of this invention include one or more of 3-methylnonan-3-ol, 3-methyl-1-nonen-3-ol, 3-methylnonan-1-ol, 3-methyl-2-nonen-1-ol and the monocarboxylic acid esters of these alcohols. The perfume compositions also contain a perfume component, the odoriferous properties of which are enhanced and modified by said alcohols or esters of the alcohols without chemical reaction.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: September 18, 1979
    Assignee: Fritzsche Dodge & Olcott Inc.
    Inventor: Kurt Kulka
  • Tobacco compositions containing 3-ethoxy-4-hydroxybenzaldehyde 2,2-dimethyl propanediol acetal
    Patent number: 4128101
    Abstract: 3-Ethoxy-4-hydroxybenzaldehyde 2,2-dimethyl-propanediol acetal has a unique flavor and aroma which markedly enhance the flavor and aroma of tobacco products and comestibles. Unlike ethyl vanillin from which it is derived, the acetal has a less pronounced vanilla or ethyl vanillin odor and taste and a more intense chocolate by-note.
    Type: Grant
    Filed: May 10, 1977
    Date of Patent: December 5, 1978
    Assignee: Fritzsche Dodge & Olcott Inc.
    Inventors: Kurt Kulka, Frank Mild, Frank Fischetti, Jr.
  • Hexyloxyacetonitrile perfume compositions
    Patent number: 4077916
    Abstract: The perfume compositions of this invention contain hexyloxyacetonitrile which contributes unique olfactory properties reminiscent of irone with a flowery, herbaceous by-note. Hexyloxyacetonitrile can be incorporated readily in a wide variety of perfume compositions to enhance, diffuse and prolong the odor characteristics of such compositions.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: March 7, 1978
    Assignee: Fritzsche Dodge & Olcott Inc.
    Inventors: Kurt Kulka, Teodosij Zazula, John M. Yurecko
  • 2,4-Dihydroxy-3-methyl-benzaldehyde perfume compositions
    Patent number: 3975309
    Abstract: The effect of the characteristic odor note of Oak Moss in the combination of components in perfume compositions can be achieved by substituting 2,4-dihydroxy-3-methyl-benzaldehyde, produced in a one step synthesis from readily available material, for Oak Moss which is available only in limited quantities at high cost.
    Type: Grant
    Filed: June 26, 1975
    Date of Patent: August 17, 1976
    Assignee: Fritzsche Dodge & Olcott Inc.
    Inventors: Kurt Kulka, Teodosij Zazula