Patents by Inventor Robert W. Trenkle

Robert W. Trenkle 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: 4839083
    Abstract: Described are schiff base reaction products of alkyl anthranilates having the structure: ##STR1## wherein R.sub.3 represents methyl or ethyl; helional having the structure: ##STR2## and aldehydes having the generic structure: ##STR3## wherein R represents a hydrocarbyl or hydroxy hydrocarbyl moiety including the aldehydes:(a) pinoacetaldehyde having the structure: ##STR4## (b) pinoisobutyraldehyde having the structure: ##STR5## and (c) lyral, a mixture of compounds having the structures: ##STR6## and derivatives there and organoleptic uses thereof in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes, perfumed articles, foodstuffs, chewing gums and beverages.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: June 13, 1989
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Nicholas Calderone, Lisa Schreck, Keith P. Sands
  • Patent number: 4824828
    Abstract: Described are schiff base reaction products of alkyl anthranilates having the structure: ##STR1## wherein R.sub.3 represents methyl or ethyl and aldehydes of the generic structure: ##STR2## wherein R represents unsaturated hydrocarbyl and alkoxy hydrocarbyl moieties or mixtures of aldehydes having the structures: ##STR3## wherein R.sub.1 and R.sub.2 are different alkoxy hydrocarbyl moieties and hydrocarbyl moieties including the aldehydes:(a) bergamal having the structure: ##STR4## (b) floralozone having the structure: ##STR5## (c) pino acetaldehyde having the structure: ##STR6## (d) pino isobutyraldehyde having the structure: ##STR7## (e) melonal having the structure: ##STR8## and (f) canthoxal having the structure: ##STR9## and organoleptic uses thereof in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes, perfumed articles, foodstuffs, chewing gums and beverages.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: April 25, 1989
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Nicholas Calderone, Keith P. Sands, Myrna L. Hagedorn
  • Patent number: 4806363
    Abstract: Described are the schiff base reaction products of alkyl anthranilates having the structure: ##STR1## wherein R" represents ethyl or methyl with ketones and aldehydes defined according to the structure: ##STR2## wherein R' represents methyl or hydrogen and R represents one of the moieties: ##STR3## including compounds defined according to the generic structure: ##STR4## wherein R, R' and R" are defined, supra. Also described are uses of such schiff base reaction products in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, perfumed articles (including perfumed polymers, detergents and fabric softeners), colognes, foodstuffs, chewing gums, toothpastes, medicinal products and chewing tobaccos. The schiff base reaction products of our invention also have unexpected, unobvious and advantageous utilities for their deodorancy properties in addition to having valuable properties as fragrance materials and as flavor materials.
    Type: Grant
    Filed: March 22, 1988
    Date of Patent: February 21, 1989
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Nicholas Calderone, Keith P. Sands
  • Patent number: 4775720
    Abstract: Described are schiff base reaction products of alkyl anthranilates having the structure: ##STR1## wherein R.sub.3 represents methyl or ethyl and aldehydes of the generic structure: ##STR2## wherein R represents unsaturated hydrocarbyl and alkoxy hydrocarbyl moieties or mixtures of aldehydes having the structures: ##STR3## wherein R.sub.1 and R.sub.2 are different alkoxy hydrocarbyl moieties and hydrocarbyl moieties including the aldehydes:(a) bergamal having the structure: ##STR4## (b) floralozone having the structure: ##STR5## (c) pino acetaldehyde having the structure: ##STR6## (d) pino isobutyraldehyde having the structure: ##STR7## (e) melonal having the structure: ##STR8## and (f) canthoxal having the structure: ##STR9## and organoleptic uses thereof in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes, perfumed articles, foodstuffs, chewing gums and beverages.
    Type: Grant
    Filed: October 29, 1987
    Date of Patent: October 4, 1988
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Nicholas Calderone, Keith P. Sands, Myrna L. Hagedorn
  • Patent number: 4671959
    Abstract: Described is a method for reducing physiological and/or subjective reactivity to stress in humans being subjected to stress conditions. The method consists of administering to such humans an effective amount of a physiological and/or subjective stress reactivity-reducing substance selected from the group consisting of:(i) Nutmeg Oil;(ii) Mace Extract;(iii) Neroli Oil;(iv) Valerian Oil;(v) Myristicin;(vi) Isoelemicin; and(vii) Elemicin.Administration is through inhalation or transdermally using one or more of the above ingredients alone or in a suitable composition such as ethanol and/or a perfume composition, cologne or perfumed article (e.g., air freshener or deodorant stick). Also described is a method for detecting the reduction of physiological and/or subjective reactivity to stress in a human.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: June 9, 1987
    Assignees: Yale University, International Flavors & Fragrances Inc.
    Inventors: Craig B. Warren, Marina A. Munteanu, Gary E. Schwartz, Carlos Benaim, Henry G. Walter, Jr., Ronald S. Leight, Donald A. Withycombe, Braja D. Mookherjee, Robert W. Trenkle
  • Patent number: 4670264
    Abstract: Described is a method for reducing physiological and/or subjective reactivity to stress in humans being subjected to stress conditions. The method consists of administering to such humans an effective amount of a physiological and/or subjective stress reactivity-reducing substance selected from the group consisting of:(i) Nutmeg Oil;(ii) Mace Extract;(iii) Neroli Oil;(iv) Valerian Oil;(v) Myristicin;(vi) Isoelemicin; and(vii) Elemicin.Administration is through inhalation or transdermally using one or more of the above ingredients alone or in a suitable composition such as ethanol and/or a perfume composition, cologne or perfumed article (e.g., air freshener or deodorant stick). Also described is a method for detecting the reduction of physiological and/or subjective reactivity to stress in a human.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: June 2, 1987
    Assignees: International Flavors & Fragrances Inc., Yale University
    Inventors: Craig B. Warren, Marina A. Munteanu, Gary E. Schwartz, Carlos Benaim, Henry G. Walter, Jr., Ronald S. Leight, Donald A. Withycombe, Braja D. Mookherjee, Robert W. Trenkle
  • Patent number: 4670463
    Abstract: Described is a method for reducing physiological and/or subjective reactivity to stress in humans being subjected to stress conditions. The method consists of administering to such humans an effective amount of a physiological and/or subjective stress reactivity-reducing substance selected from the group consisting of:(i) Nutmeg Oil;(ii) Mace Extract;(iii) Neroli Oil;(iv) Valerian Oil;(v) Myristicin;(vi) Isoelemicin; and(vii) Elemicin.Administration is through inhalation or transdermally using one or more of the above ingredients alone or in a suitable composition such as ethanol and/or a perfume composition, cologne or perfume article (e.g., air freshener or deodorant stick). Also described is a method for detecting the reduction of physiological and/or subjective reactivity to stress in a human.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: June 2, 1987
    Assignees: Yale University, International Flavors & Fragrances Inc.
    Inventors: Craig B. Warren, Marina A. Munteanu, Gary E. Schwartz, Carlos Benaim, Henry G. Walter, Jr., Ronald S. Leight, Donald A. Withycombe, Braja D. Mookherjee, Robert W. Trenkle
  • Patent number: 4627449
    Abstract: Described is a method for augmenting or enhancing the aroma or taste of smoking tobacco or smoking tobacco articles by adding to smoking tobacco or to at least one section of the smoking tobacco article, e.g., the paper, the filter or the body of tobacco, a mixture consisting essentially of:(a) from about 0.5 up to about 7% by weight of said composition of n-hexanal;(b) from about 5 up to about 21% by weight of said composition of n-octanal;(c) from about 30 up to about 80% by weight of said composition of n-nonanal;(d) from 0 up to about 40% by weight of said composition of n-decanal;(e) from 0 up to about 7% by weight of said composition of n-tetradecanal;(f) from about 7 up to about 12% by weight of said composition of n-heptanal;(g) from 0 up to about 12% by weight of said composition of n-undecanal; and(h) from 0 up to about 12% by weight of said composition of n-dodecanal.Particularly, on smoking the side stream is modified and masked.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: December 9, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Jacob Kiwala, Braja D. Mookherjee, Robert W. Trenkle
  • Patent number: 4605793
    Abstract: Described is a process for preparing at least one secondary alcohol of the class of methyl substituted pinyl hydroxy pentenes comprising the step of:(i) reacting alpha pinene or beta pinene with a mixture of carbon monoxide and hydrogen in the presence of a hydroformalation catalyst in order to produce at least one methyl substituted pinyl carboxyaldehyde;(ii) reacting the resulting methyl substituted pinyl carboxyaldehyde with methyl ethyl ketone in the presence of a basic catalyst; and(iii) reacting the resulting product with a reducing agent selected from the group consisting of alkali metal borohydrides and lithium aluminum hydride.
    Type: Grant
    Filed: July 13, 1984
    Date of Patent: August 12, 1986
    Assignee: International Flavors & Fragrances, Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
  • Patent number: 4596671
    Abstract: Described is the use for augmenting or enhancing the leather aroma of perfume compositions, colognes, perfumed polymers and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles and hair preparations of 4(2'-butyl) phenyl acetate having the structure: ##STR1##
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: June 24, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle
  • Patent number: 4595525
    Abstract: Described is the process for augmenting, enhancing or imparting leather aromas to consumable materials including perfume compositions, colognes, perfumed polymers and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles, hair preparations, cosmetic powders and the like, by adding thereto a composition of matter consisting of the following ingredients:"A": At least one substance having the structure: ##STR1## in an amount of from about 1% up to about 5% wherein R.sub.9 represents C.sub.9 -C.sub.11 straight-chain alkyl and wherein R.sub.10 represents methyl and X is a moiety selected from the group consisting of: ##STR2## "B": At least one compound having the structure: ##STR3## in an amount of from about 3 up to about 7% wherein each of R.sub.12 -R.sub.15 represents hydrogen or C.sub.1 -C.sub.4 alkyl with the proviso that at least two of R.sub.12 -R.sub.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: June 17, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle
  • Patent number: 4591451
    Abstract: Described are methyl substituted pinyl oxopentenes and mixtures of same defined according to the structure: ##STR1## wherein Z represents methylidene pinyl oxopentenes and mixtures of same defined according to the structure: ##STR2## ethylidene defined according to the structure: ##STR3## or ethylenyl defined according to the structure: ##STR4## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents no bond; wherein n is 0 or 1 and m is 0 or 1 with the sum of n+m being equal to 1; wherein X represents carbinol having the structure: ##STR5## or ketone having the structure: ##STR6## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: May 27, 1986
    Assignee: International Flavors & Fragrances, Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
  • Patent number: 4549971
    Abstract: Described are methyl substituted pinyl oxopentenes and mixtures of same and uses thereof in augmenting or enhancing the aroma or taste of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, perfume compositions, perfumed articles (including perfumed polymers, solid or liquid cationic, anionic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles, optical brightener compositions, and cosmetic powders), colognes, smoking tobacco compositions and smoking tobacco articles including cigars, cigarettes and integrated and separate filters therefor.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: October 29, 1985
    Assignee: International Flavors & Fragrances, Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
  • Patent number: 4533491
    Abstract: Described are methyl substituted pinyl oxopentenes and mixtures of same defined according to the structure: ##STR1## having utility in augmenting or enhancing the aroma or taste of consumable material.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: August 6, 1985
    Assignee: International Flavors & Fragrances, Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
  • Patent number: 4510340
    Abstract: Described is a mixture of vinyl alkanols produced by carrying out an oxo reaction on pinene and then carrying out an oldol condensation with the reaction product. The resulting products are useful as favoring and perfumery.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: April 9, 1985
    Assignee: International Flavors & Fragrances, Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
  • Patent number: 4506104
    Abstract: Described are hydroxy alkenyl bicyclic terpene derivatives useful in perfumery.
    Type: Grant
    Filed: February 23, 1984
    Date of Patent: March 19, 1985
    Assignee: International Flavors & Fragrances, Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
  • 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: 4488973
    Abstract: Described is a process for imparting an "air dried cloth" aroma to cloth, synthetic or natural, previously dried using a clothes drier, comprising the step of contacting the cloth prior to drying with an aroma augmenting or enhancing quantity of either (i) a mixture consisting essentially of:(a) from about 0.5 up to about 5% by weight of said composition of n-hexanal;(b) from about 2 up to about 12% by weight of said composition of n-heptanal;(c) from about 5 up to about 15% by weight of said composition of n-octanal;(d) from about 40 up to about 70% by weight of said composition of n-nonanal;(e) from about 10 up to about 30% by weight of said composition of n-decanal;(f) from about 0.5 up to about 5% by weight of said composition of n-undecanal;(g) from about 0.5 up to about 5% by weight of said composition of n-dodecanal;(h) from about 0.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: December 18, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ira D. Hill, Robert W. Trenkle, Braja D. Mookherjee, Robin K. Wolff
  • Patent number: 4481221
    Abstract: Described is a method for augmenting or enhancing the aroma or taste of a mango, guava or papaya flavored foodstuff or chewing gum comprising the step of intimately admixing with said foodstuff or chewing gum from 0.02 parts per million up to about 300 parts per million based on total composition of a mixture of compounds prepared according to the process consisting essentially of the steps of:1. reacting alpha pinene with an equimolar mixture of carbon monoxide and hydrogen at a pressure of 4,000 psig and a temperature in the range of 200.degree.-220.degree. C. whereby a mixture of aldehydes is formed;2. distilling the mixture of aldehydes at a vapor temperature in the range of from 85.degree. C. up to 93.degree. C. and a pressure of from 3 mm/Hg. up to 4 mm/Hg., thereby recovering a mixture of aldehydes;3. reacting the resulting mixture of aldehydes with methyl ethyl ketone at a temperature of about 45.degree. C. thereby forming a mixture of ketones;4.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: November 6, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
  • Patent number: 4476041
    Abstract: Described is a process for imparting an "air dried cloth" aroma to cloth, synthetic or natural, previously dried using a clothes drier, comprising the step of contacting the cloth prior to drying with an aroma augmenting or enhancing quantity of either (i) a mixture consisting essentially of:(a) from about 0.5 up to about 5% by weight of said composition of n-hexanal;(b) from about 2 up to about 12% by weight of said composition of n-heptanal;(c) from about 5 up to about 15% by weight of said composition of n-octanal;(d) from about 40 up to about 70% by weight of said composition of n-nonanal;(e) from about 10 up to about 30% by weight of said composition of n-decanal;(f) from about 0.5 up to about 5% by weight of said composition of n-undecanal;(g) from about 0.5 up to about 5% by weight of said composition of n-dodecanal;(h) from about 0.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: October 9, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ira D. Hill, Robert W. Trenkle, Braja D. Mookherjee, Robin K. Wolff