Patents by Inventor John J. De Virgilio

John J. De Virgilio 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: 5321144
    Abstract: Described are p-methylenedioxyphenyl propionitrile and propiohydroxylamine derivatives defined according to the generic structure: ##STR1## wherein Z.sub.1 represents the moiety: ##STR2## and the moiety: ##STR3## and R.sub.1 is hydrogen or methyl and also having the generic structure: ##STR4## wherein X is HSO.sub.4.sup.-- ; SO.sub.4 ; .sup.= Cl.sup.-- ; Br.sup.-- ; PO.sub.4.sup..dbd. ; H.sub.2 PO.sub.4.sup.-- ; and HPO.sub.4.sup.= ; and the process of preparing these compounds.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: June 14, 1994
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Charles E. J. Beck, Marie R. Hanna, Jan T. Van Elst
  • Patent number: 5300488
    Abstract: Described are p-methylenedioxyphenyl propionitrile and propiohydroxylamine derivatives defined according to the generic structure: ##STR1## wherein Z.sub.1 represents the moiety: ##STR2## and the moiety: ##STR3## and R.sub.1 is hydrogen or methyl and also having the generic structure: ##STR4## wherein X is HSO.sub.3.sup.- ; SO.sub.4 ;=Cl.sup.- ; PO.sub.4.sup..tbd. ; H.sub.2 PO.sub.4.sup.- ; and HPO.sub.4.sup.=. The p-methylenedioxyphenyl propionitrile and propiohydroxylamine derivatives having the structures: ##STR5## have useful organoleptic properties in the perfumery area. Also described are processes for preparing such p-methylenedioxyphenyl propionitrile and propiohydroxylamine derivatives. The compounds defined according to the structure: ##STR6## are useful intermediates in such processes. The subgenus defined according to the structure: ##STR7## covers novel compounds.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: April 5, 1994
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Charles E. J. Beck, Marie R. Hanna, Jan T. Van Elst
  • Patent number: 5281576
    Abstract: Described are aryl oxabicyclooctane derivatives and phenyl norbornane derivatives defined according to the structures: ##STR1## wherein N is an integer selected from the group consisting of 1 and 2, processes for preparing same, perfumery uses thereof and intermediates used in said processes which intermediates are defined according to the structures: ##STR2## wherein M is 0, 1 or 2 and X is chloro or bromo. Also described are the by-products having the structure: ##STR3## wherein P is 1 or 2 and uses thereof in perfumery.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: January 25, 1994
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio
  • Patent number: 5276211
    Abstract: Described are aryl oxabicyclooctane derivatives and phenyl norbornane derivatives defined according to the structures: ##STR1## wherein N is an integer selected from the group consisting of 1 and 2, processes for preparing same, perfumery uses thereof and intermediates used in said processes which intermediates are defined according to the structures: ##STR2## wherein M is 0, 1 or 2 and X is chloro or bromo. Also described are the by-products having the structure: ##STR3## wherein P is 1 or 2 and uses thereof in perfumery.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: January 4, 1994
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio
  • Patent number: 5274133
    Abstract: Described are p-methylenedioxyphenyl propionitrile and prophiohydroxylamine derivatives defined according to the generic structure: ##STR1## wherein Z.sub.1 represents the moiety: ##STR2## and the moiety: ##STR3## and R.sub.1 is hydrogen or methyl and also having the generic structure; ##STR4## wherein X is HSO.sub.4.sup.- ; SO.sub.4 ; .sup.= Cl.sup.- ; BR.sup.- ; PO.sub.4 ; H.sub.2 PO.sub.4.sup.- ; and HPO.sub.4.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: December 28, 1993
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Charles E. J. Beck, Marie R. Hanna, Jan T. Van Elst
  • Patent number: 5240907
    Abstract: Described are substituted cyclopentyl oxabicyclooctanes, cyclopentyl vinyl pyrans, cyclopentylformylcyclohexenes and cyclopentylhydroxymethyl cyclohexenes having the generic structures: ##STR1## wherein R.sub.1, R.sub.2, R', R", R.sub.1 ', R.sub.2 ', R.sub.1 " and R.sub.2 " represent hydrogen or methyl with the provisos that:(i) R.sub.1 and R.sub.2 are not both methyl;(ii) R' and R" are not both methyl;(iii) when R.sub.1 ' is methyl, R.sub.2 ' is hydrogen; and(iv) when R.sub.2 " is methyl, then R.sub.1 " is hydrogen,processes for preparing same and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles, e.g., solid or liquid, anionic, cationic, nonionic or zwitterionic detergents, cosmetic preparations, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: August 31, 1993
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Franc T. Schiet, Charles E. J. Beck, Charles J. Vinals, Marie R. Hanna
  • Patent number: 5240908
    Abstract: Described are cyclohexenylmethylooxabicyclooctanes defined according to the generic structures: ##STR1## as well as intermediates for producing same defined according to the generic structures: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 ', and R.sub.3 " are each hydrogen or methyl with the provisos:(i) one or both of R.sub.1 and R.sub.2 is methyl;(ii) when R.sub.1 and R.sub.2 are both methyl then R.sub.3 ' and R.sub.3 " each represents hydrogen;(iii) one of R.sub.3 ' and R.sub.3 " is methyl and the other is hydrogen or R.sub.3 ' and R.sub.3 " both represent hydrogen; and(iv) when R.sub.3 ' and R.sub.3 " are both methyl then R.sub.1 is methyl and R.sub.2 is hydrogen;and R.sub.4 ' is hydrogen or C.sub.1 -C.sub.5 alkyl. Also described are the organoleptic uses of said cyclohexenylmethyloxabicyclooctanes wherein implementing or enhancing the aroma of perfume compositions, colognes and perfumed articles.
    Type: Grant
    Filed: April 11, 1991
    Date of Patent: August 31, 1993
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio
  • Patent number: 5236897
    Abstract: Described are the 2,2-dimethyl-4(2' or 4'-pyridyl) butyronitriles defined according to the generic structure: ##STR1## wherein one of R.sub.1 ' or R.sub.2 ' is the moiety: ##STR2## and the other of R.sub.1 ' or R.sub.2 ' is hydrogen as well as perfumery uses thereof and processes for preparing same.
    Type: Grant
    Filed: January 8, 1993
    Date of Patent: August 17, 1993
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, William L. Schreiber
  • Patent number: 5179222
    Abstract: Described is the use in imparting, augmenting or enhancing aromas to or in perfume compositions, colognes and perfumed articles by admixing therewith an aroma imparting, augmenting or enhancing quantity of 2,2-dimethyl-4-phenyl valeronitrile defined according to the structure: ##STR1## Also described herein is a process for preparing phenyl butyronitriles by reacting isobutyronitrile having the structure: ##STR2## with a styrene derivative defined according to the structure: ##STR3## according to the reaction: ##STR4## in the presence of a catalyst selected from the group consisting of sodium hydride and lithium diisopropyl amide having the structure: ##STR5## at a temperature in the range of from about 90.degree. C. up to about 130.degree. C. yielding more than about 65% by weight of product wherein R.sub.1 and R.sub.2 are the same or different and each represents hydrogen or methyl.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: January 12, 1993
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, William L. Schreiber
  • Patent number: 5143899
    Abstract: Described is the use in imparting, augmenting or enhancing aromas to or in perfume compositions, colognes and perfumed articles by admixing therewith an aroma imparting, augmenting or enhancing quantity of 2,2-dimethyl-4-phenyl valeronitrile defined according to the structure: ##STR1## Also described herein is a process for preparing phenyl butyronitriles by reacting isobutyronitrile having the structure: ##STR2## with a styrene derivative defined according to the structure: ##STR3## according to the reaction: ##STR4## in the presence of a catalyst selected from the group consisting of sodium hydride and lithium diisopropyl amide having the structure: ##STR5## at a temperature in the range of from about 90.degree. C. up to about 130.degree. C. yielding more than about 65% by weight of product wherein R.sub.1 and R.sub.2 are the same or different and each represents hydrogen or methyl.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: September 1, 1992
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, William L. Schreiber
  • Patent number: 5128317
    Abstract: Described are camphonyl spirocyclooxaoctane-containing compositions having the generic structures: ##STR1## and mixtures of same with substituted cyclopentenyl-oxabicyclooctanes defined according to the generic structures: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 ' and R.sub.3 " each represents hydrogen or methyl and R.sub.4 ' represents hydrogen or C.sub.1 -C.sub.5 alkyl, processes for preparing same and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles, e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic preparations, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers.
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: July 7, 1992
    Assignee: International Flavors and Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Carlos Benaim, Anton Van Ouwerkerk, Olivier Gillotin
  • Patent number: 5087707
    Abstract: Described are cyclopentenyl-oxabicyclooctanes, cyclopentenyl-formylcyclohexenes and cyclopentylhydroxymethyl cyclohexenes having the generic structures: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 ', and R.sub.3 " each represents hydrogen or methyl with the provisos:(i) one or two or R.sub.1, R.sub.2, R.sub.3 ' and R.sub.3 " represents methyl;(ii) R.sub.1 and/or R.sub.2 are methyl;(iii) at least one of R.sub.3 ' and R.sub.3 " is hydrogen; and(iv) when R.sub.1 and R.sub.2 is methyl then each of R.sub.3 ' and R.sub.3 " is hydrogenwherein R.sub.4 ' is hydrogen or C.sub.1 -C.sub.5 alkyl, processes for preparing same and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles, e.g., solid or liquid, anionic, cationic, nonionic or zwitterionic detergents, cosmetic preparations, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers.
    Type: Grant
    Filed: April 11, 1991
    Date of Patent: February 11, 1992
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Carlos Benaim, Anton V. Ouwerkerk, Olivier Gillotin
  • Patent number: 5081262
    Abstract: Described are cyclopentenyl-oxabicyclooctanes, cyclopentenyl-formylcyclohexenes and cyclopentyl-hydroxymethyl cyclohexenes having the generic structures: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 ', and R.sub.3 " each represents hydrogen or methyl with the provisos:(i) one or two of R.sub.1, R.sub.2, R.sub.3 ' and R.sub.3 " represents methyl;(ii) R.sub.1 and/or R.sub.2 are methyl;(iii) at least one of R.sub.3 ' and R.sub.3 " is hydrogen; and(iv) when R.sub.1 and R.sub.2 is methyl then each of R.sub.3 ' and R.sub.3 " is hydrogenwherein R.sub.4 ' is hydrogen or C.sub.1 -C.sub.5 alkyl, processes for preparing same and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles, e.g., solid or liquid, anionic, cationic, nonionic or zwitterionic detergents, cosmetic preparations, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: January 14, 1992
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Carlos Benaim, Anton Van Ouwerkerk, Olivier Gillotin
  • Patent number: 5070073
    Abstract: Described are cyclopentenyl-oxabicyclooctanes, cyclopentenyl-formylcyclohexenes and cyclopentyl-hydroxymethyl cyclohexenes having the generic structures: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 ', and R.sub.3 " each represents hydrogen or methyl with the provisos:(i) one or two of R.sub.1, R.sub.2, R.sub.3 ' and R.sub.3 " represents methyl;(ii) R.sub.1 and/or R.sub.2 are methyl;(iii) at least one of R.sub.3 ' and R.sub.3 " is hydrogen; and(iv) when R.sub.1 and R.sub.2 is methyl then each of R.sub.3 ' and R.sub.3 " is hydrogenwherein R.sub.4 ' is hydrogen or C.sub.1 -C.sub.5 alkyl, processes for preparing same and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles, e.g., solid or liquid, anionic, cationic, nonionic or zwitterionic detergents, cosmetic preparations, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers.
    Type: Grant
    Filed: April 11, 1991
    Date of Patent: December 3, 1991
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Carlos Benaim, Anton V. Ouwerkerk, Olivier Gillotin
  • Patent number: 5068363
    Abstract: Described are cyclohexenylmethyloxabicyclooctanes defined according to the generic structures: ##STR1## as well as intermediates for producing same defined according to the generic structures: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 ', and R.sub.3 " are each hydrogen or methyl with the provisos:(i) one or both of R.sub.1 and R.sub.2 is methyl;(ii) when R.sub.1 and R.sub.2 are both methyl then R.sub.3 ' and R.sub.3 " each represents hydrogen;(iii) one of R.sub.3 ' and R.sub.3 " is methyl and the other is hydrogen or R.sub.3 ' and R.sub.3 " both represent hydrogen; and(iv) when R.sub.3 ' and R.sub.3 " are both methyl then R.sub.1 is methyl and R.sub.2 is hydrogen;and R.sub.4 ' is hydrogen or C.sub.1 -C.sub.5 alkyl. Also described are the organoleptic uses of said cyclohexenylmethyl-oxabicyclooctanes wherein implementing or enhancing the aroma of perfume compositions, colognes and perfumed articles.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: November 26, 1991
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio
  • Patent number: 5066641
    Abstract: Described is 3,5,5-trimethylhexanal oxime defined according to the structure: ##STR1## and organoleptic uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including but not limited to solid or liquid anionic, cathionic, nonionic and zwitterionic detergents, perfume polymers, fabric softener compositions, fabic softener articles, cosmetic powders and hair preparations.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: November 19, 1991
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Jan T. Van Elst
  • Patent number: 5039659
    Abstract: Described are 2,2,3-trimethylcyclopentenyl acetone derivatives defined according to one or a mixture of compounds having the structures: ##STR1## organoleptic uses thereof, processes for preparing same using as a starting material the compound having the structure: ##STR2## which is reacted to form the compound having the structure: ##STR3## which is further reacted to form the novel intermediate: ##STR4## which is then converted to the 2,2,3-trimethylcyclopentenyl acetone derivatives or our invention using the allylic alcohol having the structure: ##STR5## wherein R.sub.3, R.sub.4, and R.sub.5 are the same or different hydrogen or methyl; R.sub.6 represents hydrogen, methyl, ethyl, or propyl or isopropyl; x is 0, 1 or 2; R.sub.7 is methyl or ethyl; R.sub.7 ' and R.sub.7 " represent methyl or ethyl or R.sub.7 ', (CH.sub.2).sub.x and R.sub.7 " taken together represents C.sub.2 -C.sub.6 alkylene; M represents Li, Mg, X or MgX; and X represents chloro or bromo.
    Type: Grant
    Filed: August 7, 1990
    Date of Patent: August 13, 1991
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Vincent F. Kuczinski, Anton V. Ouwerkerk, Charles E. J. Beck, Kathleen E. Boardwick, Marie R. Hanna
  • Patent number: 4990494
    Abstract: Described are 1,1-dimethyl-1-nitrilo or hydroxylamino-3-(alkyl phenyl)-substituted propanes defined according to the generic structure: ##STR1## wherein R.sub.1 is selected from the group consisting of: (i) cyanide having the structure: ##STR2## (ii) hydroxylamino methyl having the structure: ##STR3## and wherein R.sub.2 is C.sub.1 -C.sub.5 lower alkyl, uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including but not limited to bleach compositions, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, perfumed polymers, fabric softener compositions, fabric softener articles, cosmetic powders and hair preparations. Also described are processes for preparing such 1,1-dimethyl-1-nitrilo or hydroxylamino-3-(alkyl phenyl)-substituted propanes by means of reacting an alkyl benzyl halide with isopropyl cyanide in the presence of a basic catalyst such as sodamide.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: February 5, 1991
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, Eleanor Fox