Patents by Inventor Anton V. Ouwerkerk

Anton V. Ouwerkerk 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: 5100872
    Abstract: Described are alkyl cyclohexylmethyl and cyclohexenylmethyl carbonates defined according to the generic structure: ##STR1## wherein R.sub.1 is methyl or ethyl; R.sub.2, R.sub.3, R.sub.4 and R.sub.6 represents hydrogen or methyl; R.sub.5 represents hydrogen, methyl or methylene; and R.sub.7 represents hydrogen or C.sub.1 -C.sub.4 straight chain lower alkyl or isopropyl or R.sub.7 is no moiety; each of the dashed lines represents a carbon-carbon single bond or a carbon-carbon double bond; the wavy line represents a carbon-carbon single bond or no bond; with the provisos that:(a) at least three of the dashed lines each represents a carbon-carbon single bond;(b) when R.sub.7 is no moiety, the dashed line at the "1-6" position is a carbon-carbon double bond;(c) when the wavy line is a carbon-carbon single bond then R.sub.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: March 31, 1992
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, Leroy John, Anton V. Ouwerkerk, Vincent F. Kuczinski, Sophia Grojsman
  • Patent number: 5098886
    Abstract: Described are alkyl cyclohexylmethyl and cyclohexenylmethyl carbonates defined according to the structure: ##STR1## wherein R.sub.1 is methyl or ethyl and wherein R.sub.2, R.sub.3, R.sub.4 and R.sub.6 are the same or different hydrogen or methyl and wherein the dashed line is a carbon-carbon single bond or a carbon-carbon double bond and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners, fabric softener articles, hair sprays, shampoos, bath oils and perfumed polymers.
    Type: Grant
    Filed: March 17, 1991
    Date of Patent: March 24, 1992
    Inventors: Anubhav P. S. Narula, Leroy John, Anton V. Ouwerkerk, Vincent F. Kuczinski, Sophia Grojsman
  • 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: 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: 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: 4446125
    Abstract: Described are isomeric mixtures of farnesene prepared by dehydrating nerolidol using potassium bisulfate or paratoluene sulfonic acid and then distilling the resultant product at particular temperature ranges and particular pressure ranges in order to prepare a composition of matter useful for augmenting or enhancing the fresh green, herbaceous aroma and taste nuances of foodstuffs, chewing gums, medicinal products and toothpastes.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: May 1, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Bernard J. Chant, Anton V. Ouwerkerk, Venkatesh Kamath, Cynthia J. Mussinan
  • Patent number: 4391717
    Abstract: Described are isomeric mixtures of farnesene prepared by dehydrating nerolidol using potassium bisulfate or paratoluene sulfonic acid and then distilling the resultant product at particular temperature ranges and particular pressure ranges in order to prepare a composition of matter useful for augmenting or enhancing waxy, white-flowery (magnolia-like, tuberose, gardenia-like) aromas with citrusy (lemon/lime), pettitgrain-like undertones and green top notes in perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, dryer-added fabric softener articles, cosmetic powders and the like).
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: July 5, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Bernard J. Chant, Anton V. Ouwerkerk, Venkatesh Kamath, Cynthia J. Mussinan
  • Patent number: 4390444
    Abstract: Described are isomeric mixtures of farnesene prepared by dehydrating nerolidol using potassium bisulfate or paratoluene sulfonic acid and then distilling the resultant product at particular temperature ranges and particular pressure ranges in order to prepare a composition of matter useful for augmenting or enhancing waxy, white-flowery (magnolia-like, tuberose, gardenia-like) aromas with citrusy (lemon/lime), pettitgrain-like undertones and green top notes in perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, dryer-added fabric softener articles, cosmetic powders and the like).
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: June 28, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Bernard J. Chant, Anton V. Ouwerkerk, Venkatesh Kamath, Cynthia J. Mussinan