Patents by Inventor Robin K. Wolff
Robin K. Wolff 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).
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Patent number: 4605793Abstract: 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: GrantFiled: July 13, 1984Date of Patent: August 12, 1986Assignee: International Flavors & Fragrances, Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4591451Abstract: 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: GrantFiled: May 24, 1984Date of Patent: May 27, 1986Assignee: International Flavors & Fragrances, Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4549971Abstract: 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: GrantFiled: May 24, 1984Date of Patent: October 29, 1985Assignee: International Flavors & Fragrances, Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4533491Abstract: 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: GrantFiled: May 20, 1983Date of Patent: August 6, 1985Assignee: International Flavors & Fragrances, Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4510340Abstract: 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: GrantFiled: May 20, 1983Date of Patent: April 9, 1985Assignee: International Flavors & Fragrances, Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4506104Abstract: Described are hydroxy alkenyl bicyclic terpene derivatives useful in perfumery.Type: GrantFiled: February 23, 1984Date of Patent: March 19, 1985Assignee: International Flavors & Fragrances, Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4488973Abstract: 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: GrantFiled: April 6, 1984Date of Patent: December 18, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Ira D. Hill, Robert W. Trenkle, Braja D. Mookherjee, Robin K. Wolff
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Patent number: 4481221Abstract: 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: GrantFiled: September 14, 1983Date of Patent: November 6, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4476041Abstract: 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: GrantFiled: September 26, 1983Date of Patent: October 9, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Ira D. Hill, Robert W. Trenkle, Braja D. Mookherjee, Robin K. Wolff
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Patent number: 4462880Abstract: 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: GrantFiled: September 26, 1983Date of Patent: July 31, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Ira D. Hill, Robert W. Trenkle, Braja D. Mookherjee, Robin K. Wolff
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Patent number: 4446651Abstract: Described is a method of chemically increasing the amount of extractable cedarwood oil from Juniperus Mexicana (commonly known as "Texas cedarwood") by treating standing living Juniperus Mexicana with a solution comprising a bipyridylium salt and permitting said trees to continue to grow in their natural environment for a period of time of at least two months. Portions of the trees are then cut and the cedarwood oil is extracted therefrom using unit operations including, but not limited to, steam distillation, in relatively large yields.Type: GrantFiled: August 19, 1982Date of Patent: May 8, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Seymour J. Spitz, Jr., Braja D. Mookherjee, Ira D. Hill, Lloyd F. Keleher, Robert W. Trenkle, Robin K. Wolff
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Patent number: 4434086Abstract: 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: GrantFiled: June 4, 1982Date of Patent: February 28, 1984Assignee: International Flavors & Fragrances, Inc.Inventors: Ira D. Hill, Robert W. Trenkle, Braja D. Mookherjee, Robin K. Wolff
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Patent number: 4428387Abstract: Described is the use for augmenting or enhancing the aroma or taste of smoking tobaccos and smoking tobacco articles of methyl substituted pinyl oxopentenes and mixtures of same defined according to the structure: ##STR1## wherein Z represents methylidene 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.Type: GrantFiled: March 26, 1982Date of Patent: January 31, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4425365Abstract: Described is a method for augmenting or enhancing the aroma or taste of a raspberry 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; and4.Type: GrantFiled: May 20, 1983Date of Patent: January 10, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida
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Patent number: 4424378Abstract: 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 separated filters therefor.Type: GrantFiled: July 8, 1982Date of Patent: January 3, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Braja D. Mookherjee, Robert W. Trenkle, Robin K. Wolff, Richard M. Boden, Takao Yoshida