Patents by Inventor Manfred Kopsel

Manfred Kopsel 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).

  • Dimethylfuryl-dihydro-1,3,5-dithiazines
    Patent number: 5166342
    Abstract: Dimethylfuryl-dihydro-1,3,5-dithiazines are useful flavorings having low taste threshold values. They impart a coffee or mocha taste, in particular to drinks, confectionery and bakery products.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: November 24, 1992
    Assignee: Haarmann & Reimer
    Inventors: Jurgen Bruning, Roland Emberger, Matthias Guntert, Rudolf Hopp, Manfred Kopsel, Peter Werkhoff
  • Thio-alkanones, process for their preparation and their use
    Patent number: 5145703
    Abstract: The invention relates to new thio-alkanones of the formula ##STR1## in which X represents an oxygen or sulphur atom,R.sub.1 represents hydrogen or a C.sub.1 -C.sub.2 -alkyl group and the broken lines represent a single bond or no bond,to a process for their preparation and their use as flavorings.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: September 8, 1992
    Assignee: Haarmann & Reimer
    Inventors: Roland Emberger, Matthias Gunter, Rudolf Hopp, Manfred Kopsel, Walter Kuhn, Peter Werkhoff
  • Hemimercaptals, processes for their preparation, and edible compositions containing same
    Patent number: 4988526
    Abstract: New hemimercaptals of the formula ##STR1## in which X represents an oxygen or sulphur atom, a process for their preparation and their use as flavorings have been found.
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: January 29, 1991
    Assignee: Haarmann & Reimer GmbH
    Inventors: Jurgen Bruning, Roland Emberger, Matthias Guntert, Rudolf Hopp, Manfred Kopsel, Theodor Sand, Peter Werkhoff
  • Use of 5-methyl-hept-2-en-4-one as a fragrance and/or flavor
    Patent number: 4654168
    Abstract: A perfumed or edible composition comprising an appropriate carrier and an amount of 5-methyl-hept-2-en-4-one effective to impart its fragrance or flavor to the composition. It imparts a fragrance and flavor reminiscent of hazelnut.
    Type: Grant
    Filed: October 7, 1985
    Date of Patent: March 31, 1987
    Assignee: Haarmann & Reimer GmbH
    Inventors: Roland Emberger, Manfred Kopsel, Jurgen Bruning, Rudolf Hopp, Theodor Sand
  • Unsymmetrical dihydrodithiazines, and their use as fragrances and flavorings
    Patent number: 4647662
    Abstract: Unsymmetrical dihydrodithiazines of the formula ##STR1## in which one of the substituents R.sub.1 and R.sub.2 represent a C.sub.3 -C.sub.5 -alkyl group while the other is a methyl group and R.sub.3 represents a hydrogen atom, or R.sub.1 represents a methyl group and R.sub.2 and R.sub.3 together form a C.sub.3 -C.sub.4 -alkylene radical, a process for their preparation and their use as fragrances and flavorings.
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: March 3, 1987
    Assignee: Haarmann & Reimer GmbH
    Inventors: Jurgen Bruning, Roland Emberger, Rudolf Hopp, Manfred Kopsel, Theodor Sand, Peter Werkhoff
  • Flavoring with 5-methyl-hept-2-en-4-one
    Patent number: 4563365
    Abstract: A perfumed or edible composition comprising an appropriate carrier and an amount of 5-methyl-hept-2-en-4-one effective to impart its fragrance or flavor to the composition. It imparts a fragrance and flavor reminiscent of hazelnut.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: January 7, 1986
    Assignee: Haarmann & Reimer GmbH
    Inventors: Roland Emberger, Manfred Kopsel, Jurgen Bruning, Rudolf Hopp, Theodor Sand
  • Di- and Tetra-hydrobenzofuranones as scents and aroma substances
    Patent number: 4407740
    Abstract: Di- and tetrahydrobenzofuranone of the formula ##STR1## are useful in scenting and/or flavoring agents for imparting thereto a coumarin and coconut note.
    Type: Grant
    Filed: April 23, 1981
    Date of Patent: October 4, 1983
    Assignee: Haarmann & Reimer GmbH
    Inventors: Manfred Kopsel, Roland Emberger