Patents by Inventor John B. Hall

John B. Hall 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).

  • Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
    Patent number: 4418010
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: November 29, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Intermediates used in the process for preparing 1(4-pentenoyl)-3,3-dimethylcyclohexane
    Patent number: 4413139
    Abstract: Described is a process for preparing the compound having the structure: ##STR1## comprising the steps of reacting 1-acetyl-3,3-dimethylcyclohexane with a dialkyl carbonate; thereby forming a ketoester having the structure: ##STR2## wherein R represents C.sub.1 -C.sub.3 lower alkyl; reacting the said ketoester with an allyl halide to form a substituted ketoester having the structure: ##STR3## saponifying the substituted ketoester with base forming a substituted keto carboxylic ester salt; and hydrolyzing the said keto carboxylic acid salt with acid to form the corresponding acid; and then heating and decarboxylating the resulting keto carboxylic acid to form the desired compound.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: November 1, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker
  • Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
    Patent number: 4410740
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: October 18, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
    Patent number: 4386023
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: December 29, 1981
    Date of Patent: May 31, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Use of esters of 1-acetyl cyclohexanol in augmenting or enhancing the aroma or taste of foodstuffs
    Patent number: 4385072
    Abstract: Described is a process for augmenting or enhancing the aroma or taste of foodstuffs and chewing gums comprising the step of adding to a foodstuff composition or chewing gum composition, an aroma or taste augmenting or enhancing quantity of at least one of the two compounds having the structures: ##STR1##
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: May 24, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ronald P. Schreck, Kenneth K. Light, John B. Hall, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber, Joaquin F. Vinals, Jacob Kiwala
  • Alkyl esters of 1-alkanoyl cycloalkanols and organoleptic uses thereof
    Patent number: 4374055
    Abstract: Described is a process for preparing several substituted or unsubstituted cycloalkyl acyl alkanoates defined according to the generic structure: ##STR1## wherein R.sub.1 and R.sub.2 taken together complete a cycloalkyl moiety or methyl, dimethyl or trimethyl substituted cycloalkyl moiety containing five or six carbon atoms in the ring and wherein R.sub.3 is C.sub.1 -C.sub.3 lower alkyl and R.sub.4 is methyl or hydrogen by reacting a compound having the generic structure: ##STR2## in an aqueous silver-ion containing solution having a weakly acidic pH at elevated temperatures.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: February 15, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ronald P. Schreck, Kenneth K. Light, John B. Hall, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber, Joaquin F. Vinals, Jacob Kiwala
  • Process for enhancing the organoleptic properties of perfumed articles using alkyl esters of 1-alkanolyl cycloalkanols
    Patent number: 4359395
    Abstract: Described is a process for preparing several substituted or unsubstituted cycloalkyl acyl alkanolates defined according to the generic structure: ##STR1## wherein R.sub.1 and R.sub.2 taken together complete a cycloalkyl moiety or methyl, dimethyl or trimethyl substituted cycloalkyl moiety containing five or six carbon atoms in the ring and wherein R.sub.3 is C.sub.1 -C.sub.3 lower alkyl and R.sub.4 is methyl or hydrogen by reacting a compound having the generic structure: ##STR2## in an aqueous silver-ion containing solution having a weakly acidic pH at elevated temperatures.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: November 16, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ronald P. Schreck, Kenneth K. Light, John B. Hall, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber, Joaquin F. Vinals, Jacob Kiwala
  • Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
    Patent number: 4358617
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: November 9, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Substituted tricyclodecane derivatives
    Patent number: 4346245
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: August 24, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
    Patent number: 4337212
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: June 29, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Alkyl esters of 1-alkanoyl cycloalkanols, process for preparing same and organoleptic uses thereof
    Patent number: 4327749
    Abstract: Described is a process for preparing several substituted or unsubstituted cycloalkyl acyl alkanoates defined according to the generic structure: ##STR1## wherein R.sub.1 and R.sub.2 taken together complete a cycloalkyl moiety or methyl, dimethyl or trimethyl substituted cycloalkyl moiety containing five or six carbon atoms in the ring and wherein R.sub.3 is C.sub.1 -C.sub.3 lower alkyl and R.sub.4 is methyl or hydrogen by reacting a compound having the generic structure: ##STR2## in an aqueous silver-ion containing solution having a weakly acidic pH at elevated temperatures.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: May 4, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ronald P. Schreck, Kenneth K. Light, John B. Hall, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber, Joaquin F. Vinals, Jacob Kiwala
  • Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
    Patent number: 4318863
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: March 9, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Process for the preparation of homologues of methyl dihydrojasmonate
    Patent number: 4310701
    Abstract: A process is described for the preparation of alkyl and alkylene homologues of methyl dihydrojasmonatewhich incorporate the novel process step: ##STR1## In the above reaction sequence, X is chloro or bromo and R is C.sub.1 -C.sub.4 alkyl.
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: January 12, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Richard A. Wilson, Braja D. Mookherjee, John B. Hall, Gilbert Stork
  • Flavoring with 5-methyl-3,5-octadien-2-one
    Patent number: 4301184
    Abstract: Described is a process for augmenting or enhancing the aroma or taste of foodstuffs comprising adding to a foodstuff an aroma or taste augmenting or enhancing quantity of 5-methyl-3,5-octadien-2-one produced according to the process of reacting 2-methyl-2-pentenal with acetone in the presence of a zinc acetate dihydrate catalyst.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: November 17, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Takao Yoshida, John B. Hall
  • Benzodioxanones and organoleptic uses thereof
    Patent number: 4294266
    Abstract: Described are the bicyclic compounds having the generic structure: ##STR1## wherein Z is benzo or cyclohexano and processes for preparing same and compositions containing same for use in augmenting or enhancing the aroma and/or taste of foodstuffs, chewing gums, toothpastes and medicinal products; tobacco; perfumes, colognes and perfumed articles, produced by a process described by the reaction: ##STR2## wherein X is chloro or bromo; Y is chloro, bromo or OR; R is C.sub.1 -C.sub.3 lower alkyl, that is: methyl, ethyl, n-propyl or i-propyl; B is MOH, MH, MOR', trialkylamine, or M.sub.2 --CO.sub.3 (wherein M is alkali metal such as sodium or potassium); and R' is C.sub.1 -C.sub.5 lower alkyl, such as methyl, ethyl, n-propyl, i-propyl and t-butyl with the proviso that B is trialkylamine or an alkali metal carbonate when Y is chloro or bromo and B is MOH, MH or MOR' when Y is OR.The above mentioned compounds produce:A.
    Type: Grant
    Filed: May 2, 1980
    Date of Patent: October 13, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall, Frederick L. Schmitt
  • 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
  • 2,2,3-Trimethyl-3-cyclopenten-1-ylalkyl, alkenyl and alkylidene, cyclohexanols, organo-leptic uses thereof in perfume compositions, colognes and perfumed articles
    Patent number: 4278569
    Abstract: Described are perfume and fragrance compositions and perfumed articles including soaps, detergents, powders as well as colognes containing 2,2,3-trimethyl-3-cyclopenten-1-ylalkyl, alkenyl and alkylidene, cyclohexanois, having the generic structure: ##STR1## wherein at least one of the lines ++++ is a carbon-carbon single bond and the other of the lines ++++ is either a carbon-carbon single bond or a carbon-carbon double bond, which imparts thereto woody, sandalwood aromas.
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: July 14, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Takao Yoshida, Braja D. Mookherjee, Venkatesh Kamath, John B. Hall, William I. Taylor, Frederick L. Schmitt
  • Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
    Patent number: 4275251
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: April 29, 1980
    Date of Patent: June 23, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Process for producing cis-pent-2-enyl-1-chloride
    Patent number: 4265836
    Abstract: A process is described for the preparation of cis-pent-2-enyl-1-chloride according to the reaction: ##STR1##
    Type: Grant
    Filed: July 31, 1980
    Date of Patent: May 5, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Wilhelmus J. Wiegers, John B. Hall