Patents by Inventor Ronald Schreck

Ronald Schreck 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).

  • Process for preparing acyl trimethyl cyclohexene derivatives and use of intermediates therefor in augmenting or enhancing the aroma or taste of a consumable material
    Patent number: 4501762
    Abstract: Described is a process for preparing .beta.-damascone starting with 2,6,6-trimethyl cyclohex-2-enone according to the reaction sequence: ##STR1## wherein Z is hydrogen, MgX', Li, Na or K; Y is MgX', Li, Na or K; X' is Cl, Br or I; R is C.sub.1 -C.sub.3 lower alkyl such as methyl, ethyl, n-propyl or i-propyl; X is Cl, Br or I. Also described are the organoleptic uses of the compound having the structure: ##STR2## in augmenting or enhancing the taste or aroma of a consumable material, e.g., foodstuff, chewing gum, medicinal product, chewing tobacco, smoking tobacco, perfume, perfumed article (e.g., drier-added fabric softener articles and solid or liquid anionic, cationic or nonionic detergents) and cologne.
    Type: Grant
    Filed: February 19, 1981
    Date of Patent: February 26, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Robert W. Trenkle, Braja D. Mookherjee, John B. Hall, Robin Kasper, Manfred H. Vock, Ronald Schreck, Edward J. Granda, Joaquin F. Vinals
  • Use of acyl trimethyl cyclohexene derivatives in augmenting or enhancing the organoleptic properties of smoking tobacco or smoking tobacco article
    Patent number: 4289145
    Abstract: Described is a process for augmenting or enhancing the aroma or taste of a smoking tobacco comprising the step of adding to smoking tobacco an organoleptic property modifying amount of the compound having the structure: ##STR1##
    Type: Grant
    Filed: June 5, 1980
    Date of Patent: September 15, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Robert W. Trenkle, Braja D. Mookherjee, John B. Hall, Robin Kasper, Manfred H. Vock, Ronald Schreck, Edward J. Granda, Joaquin F. Vinals
  • Use of 1-hydroxy-1-ethynyl-2,2,6-trimethyl cyclohexane in augmenting or enhancing the aroma or taste of foodstuffs
    Patent number: 4284654
    Abstract: Described is the use of the compound having the structure: ##STR1## for augmenting or enhancing the aroma or taste of a foodstuff.
    Type: Grant
    Filed: June 5, 1980
    Date of Patent: August 18, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Robert W. Trenkle, Braja D. Mookherjee, John B. Hall, Robin Kasper, Manfred H. Vock, Ronald Schreck, Edward J. Granda, Joaquin F. Vinals
  • Use of 1-acetyl-22,6-trimethyl cyclohexene-1 in augmenting or enhancing the aroma of perfumes and cologne
    Patent number: 4260527
    Abstract: Described is a process for preparing .beta.-damascone starting with 2,6,6-trimethyl cyclohex-2-enone and its use in augmenting or enhancing the perfume and cologne.
    Type: Grant
    Filed: June 5, 1980
    Date of Patent: April 7, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Robert W. Trenkle, Braja D. Mookherjee, John B. Hall, Robin Kasper, Manfred H. Vock, Ronald Schreck, Edward J. Granda, Joaquin F. Vinals
  • Process for preparing acyl trimethyl cyclohexene derivatives and use of intermediates therefor in augmenting or enhancing the aroma or taste of a consumable material
    Patent number: 4250332
    Abstract: Described is a process for preparing .beta.-damascone starting with 2,6,6-trimethyl cyclohex-2-enone according to the reaction sequence: ##STR1## wherein Z is hydrogen, MgX', Li, Na or K; Y is MgX', Li, Na or K; X' is Cl, Br or I; R is C.sub.1 -C.sub.3 lower alkyl such as methyl, ethyl, n-propyl or i-propyl; X is Cl, Br or I. Also described are the organoleptic uses of the compound having the structure: ##STR2## in augmenting or enhancing the taste or aroma of a consumable material, e.g., foodstuff, chewing gum, medicinal product, chewing tobacco, smoking tobacco, perfume, perfumed article (e.g., drier-added fabric softener articles and solid or liquid anionic, cationic or nonionic detergents) and cologne.
    Type: Grant
    Filed: October 26, 1979
    Date of Patent: February 10, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Robert W. Trenkle, Braja D. Mookherjee, John B. Hall, Robin Kasper, Manfred H. Vock, Ronald Schreck, Edward J. Granda, Joaquin F. Vinals