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).

  • Patent number: 4610812
    Abstract: Described are 2-methyl-4-phenyl-1-pentanol derivatives defined according to the structure: ##STR1## wherein R represents hydrogen or acetyl and uses thereof in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes, perfumed articles, foodstuffs, chewing gums, medicinal products and chewing tobaccos.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: September 9, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventor: John B. Hall
  • Patent number: 4609754
    Abstract: Described is a novel genus of compounds defined according to the structure: ##STR1## wherein Z represents hydrogen, MgX and the moiety having the structure: ##STR2## and X represents chlor, bromo, or iodo; as well as 5-isopropyl-8-methyl-5,8-nonadien-2-one; uses of same as intermediates in a process for producing isosolanone and solanone; and organoleptic uses of 5-isopropyl-8-methyl-5,8-nonadien-2-one and 2,6-dimethyl-5-methylene-1-hepten-4-ol.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: September 2, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, James M. Sanders, James N. Siano
  • Patent number: 4576186
    Abstract: Described are tertiary pentamethylindanol derivatives defined according to the structure: ##STR1## wherein the dashed line represents a carbon-carbon single or a carbon-carbon double bond and uses thereof in augmenting or enhancing the aroma or taste of smoking tobaccos or smoking tobacco compositions.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: March 18, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Takao Yoshida
  • Patent number: 4576740
    Abstract: Described are tertiary pentamethylindanol derivatives defined according to the structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond and uses thereof in augmenting or enhancing the aroma or taste of consumable materials selected from the group consisting of perfume compositions, colognes, perfumed articles, foodstuffs, smoking tobaccos and smoking tobacco compositions.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: March 18, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Takao Yoshida
  • Patent number: 4560499
    Abstract: Described is a novel genus of compounds defined according to the structure: ##STR1## wherein Z represents hydrogen, MgX and the moiety having the structure: ##STR2## and X represents chloro, bromo or iodo; as well as the novel compounds defined according to the structures: ##STR3## and mixtures of same shown according to the structure: ##STR4## wherein the wavy lines indicate both cis and trans juxtaposition of the hydrogen and methallyl moieties about the carbon-carbon double bond; uses of same as intermediates in a process for producing isosolanone which is a mixture of compounds having the structures: ##STR5## or shown by the single structure: ##STR6## and solanone which is a mixture of compounds having the structures: ##STR7## or shown by the structure: ##STR8## wherein the wavy lines are indicative of a cis or trans juxtaposition of the hydrogen or 2-propenyl moieties about the double bond; and organoleptic uses of the compounds having the structures: ##STR9##
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: December 24, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, James M. Sanders, James N. Siano
  • Patent number: 4549982
    Abstract: Described are 1-oxoalkyl-2-isopropylnorbornane derivatives defined according to the generic structure: ##STR1## wherein X represents a moiety selected from the group consisting of: ##STR2## wherein the dashed line represents a carbon-carbon double bond or a carbon-carbon single bond and wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that R.sub.1 and R.sub.2 are not both methyl, and uses thereof in augmenting or enhancing the aroma of consumable materials selected from the group consisting of perfume compositions, colognes and perfumed articles. Also described are processes for preparing said 1-oxoalkyl-2-isopropylnorbornane derivatives by means of a low temperature catalytic Diels Alder reaction or high temperature thermal Diels Alder reaction between a bicyclopentadiene derivative and 2-methyl-3- buten-5-one according to the reaction: ##STR3## wherein R represents methyl or hydrogen.
    Type: Grant
    Filed: August 24, 1984
    Date of Patent: October 29, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker, Robert P. Belko, Augustinus G. Van Loveren, Marie R. Hanna
  • Patent number: 4548821
    Abstract: Described are tertiary pentamethylindanol derivatives defined according to the structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond and uses thereof in augmenting or enhancing the aroma or taste of consumable materials selected from the group consisting of perfume compositions, colognes, perfumed articles, foodstuffs, smoking tobaccos and smoking tobacco compositions.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: October 22, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Takao Yoshida
  • Patent number: 4541951
    Abstract: Described is a process for preparing the compound having the structure: ##STR1## comprising the steps of reacting 1-acetyl-3,3-dimethylcyclohexane having the structure: ##STR2## with an alkyl acetate defined according to the structure: ##STR3## wherein R.sub.2 is C.sub.1 -C.sub.5 alkyl such as methylethyl, n-propyl, i-propyl, n-butyl, 2-butyl and tertiary butyl, thereby forming a diketone having the structure: ##STR4## reacting the said diketone with an allyl halide having the structure: ##STR5## (wherein X represents bromo or iodo) to form a substituted diketone having the structure: ##STR6## and then transforming the compound having the structure: ##STR7## into the compound having the structure: ##STR8## by means of a retro-Claisen reaction.
    Type: Grant
    Filed: September 14, 1984
    Date of Patent: September 17, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker
  • Patent number: 4535192
    Abstract: Described are tertiary pentamethylindanol derivatives defined according to the structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond and uses thereof in augmenting or enhancing the aroma or taste of consumable materials selected from the group consisting of perfume compositions, colognes, perfumed articles, foodstuffs, smoking tobaccos and smoking tobacco compositions.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: August 13, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Takao Yoshida
  • Patent number: 4520032
    Abstract: Described are tertiary pentamethylindanol derivatives defined according to the structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond and uses thereof in augmenting or enhancing the aroma or taste of consumable materials selected from the group consisting of perfume compositions, colognes, perfumed articles, foodstuffs, smoking tobaccos and smoking tobacco compositions.
    Type: Grant
    Filed: March 14, 1984
    Date of Patent: May 28, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Takao Yoshida
  • Patent number: 4503258
    Abstract: Compounds of the following structure ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and 2-propenyl are disclosed useful as intermediates in organic synthesis.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: March 5, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker
  • 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
  • Patent number: 4476147
    Abstract: A process for augmenting or enhancing the aroma or taste of alliaceous flavors, particularly garlic flavors, by augmenting or enhancing the garlic and green aroma and taste nuances of alliaceous-flavored foodstuffs comprising the step of adding to a alliaceous-flavored foodstuff an aroma or taste augmenting quantity of a mixture of cis and trans isomers of a compound having the structure: ##STR1## wherein the wavy lines indicate both cis and trans juxtaposition of the hydrogen and methallyl moieties about the carbon-carbon double bond.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: October 9, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, James M. Sanders, James N. Siano
  • Patent number: 4458699
    Abstract: Described is the use of compounds defined according to the structure: ##STR1## wherein R represents hydrogen or acetyl in augmenting or enhancing the aroma or taste of smoking tobacco compositions or smoking tobacco articles.
    Type: Grant
    Filed: February 11, 1982
    Date of Patent: July 10, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ronald P. Schreck, John B. Hall
  • Patent number: 4458093
    Abstract: Described is the hexadienoyl cyclohexene derivative defined according to the structure: ##STR1## which may either be in the form of a mixture of Z, Z; E, E; Z, E or E, Z isomers or the individual isomers themselves having the structures: ##STR2## a process for preparing same, intermediates useful in said process defined according to the structure: ##STR3## wherein R represents ethyl or methyl and organoleptic uses of the hexadienoyl cyclohexene derivatives in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes and perfumed articles (e.g. solid or liquid anionic, cationic, nonionic or zwitterionic detergents, hair preparations, fabric softeners, fabric softener articles, cosmetic powders and perfumed polymers); foodstuffs, chewing gums, medicinal products, toothpastes and chewing tobaccos; smoking tobaccos and smoking tobacco articles.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: July 3, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Joseph A. McGhie, Manfred H. Vock
  • Patent number: 4450101
    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: August 20, 1981
    Date of Patent: May 22, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4449007
    Abstract: A process comprising the steps of reacting 1-acetyl-3,3-dimethylcyclohexane with an alkyl acetate, thereby forming a diketone having the structure: ##STR1## reacting the said diketone with an allyl halide to form a substituted diketone having the structure: ##STR2## which is transformed into the compound having the structure: ##STR3## by means of a retro-Claisen reaction.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: May 15, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker
  • Patent number: 4433695
    Abstract: A process for augmenting or enhancing the aroma or taste of a smoking tobacco or smoking tobacco article comprising the step of adding to a smoking tobacco or smoking tobacco article component, an aroma or taste augmenting or enhancing quantity of a mixture of cis and trans isomers of a compound having the structure: ##STR1## wherein the wavy lines represent cis or trans juxtaposition of the hydrogen and 2-methyl-1-propenyl moieties around the carbon-carbon double bond.
    Type: Grant
    Filed: May 20, 1982
    Date of Patent: February 28, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, James M. Sanders, James N. Siano
  • Patent number: 4430508
    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: February 7, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4428966
    Abstract: Described is a process for augmenting or enhancing the aroma or taste of raspberry flavored foodstuffs or chewing gums by adding to a foodstuff or chewing gum an aroma or taste augmenting or enhancing quantity of at least one compound having the structure: ##STR1## wherein R represents C.sub.1 -C.sub.3 alkyl.
    Type: Grant
    Filed: March 10, 1983
    Date of Patent: January 31, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker