Patents by Inventor Anton Van Ouwerkerk

Anton Van 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: 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: 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: 4960754
    Abstract: Described are 3,7-dimethyl-6,7-dioxo-1,3-octadienes or mixtures of same defined according to the structure: ##STR1## wherein R is hydrogen or ethyl and X is one of the moieties: ##STR2## and wherein the wavy lines represent a "E" or "Z" configuration of the methyl and vinyl moiety about the 3,4-pi-bond of the molecule, as well as methods for methods for augmenting or enhancing the aroma of consumable materials including perfumes, colognes and perfumed articles by adding thereto an aroma augmenting or enhancing quantity of at least one of said 3,7-dimethyl-6,7-dioxo-1,3-octadienes.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: October 2, 1990
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Richard A. Wilson, Michael J. Zampino, Braja D. Mookherjee, Robert W. Trenkle, Anton Van Ouwerkerk, Myrna L. Hagedorn, Michael G. Monteleone
  • Patent number: 4914083
    Abstract: Described are oxy-substituted-2-phenyl pyran derivatives defined according to the generic structure: ##STR1## wherein: (i) the dashed lines in the pyran ring each represents a carbon-carbon single bond; or one of the dashed lines is a carbon-carbon double bond and each of the other of the dashed lines in the pyran ring is a carbon-carbon single bond;(ii) wherein R.sub.2 represents lower alkyl and R.sub.1 is hydrogen; or(iii) R.sub.1 and R.sub.2 represented by the moiety: ##STR2## taken together represents methylene and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including but not limited to perfumed polymers, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles, hair preparations and cosmetic powders.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: April 3, 1990
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Wilhelmus J. Wiegers, Anton Van Ouwerkerk
  • Patent number: 4549972
    Abstract: Described is 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol as a mixture of isomers and in its isomeric forms having the structures: ##STR1## and the uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles, and colognes. Also described is a novel process for preparing 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol by first reacting the compound having the structure: ##STR2## with the compound having the structure: ##STR3## in order to produce the ketone defined according to the structure: ##STR4## which is hydrogenated to form the compound having the structure: ##STR5## and further hydrogenated to form the ketone having the structure: ##STR6## This ketone is reacted with CH.sub.3 M wherein M represents Li or MgX and wherein X is chloro, bromo or iodo to form the organometallic intermediate defined according to the structures: ##STR7## These compounds are then hydrolyzed with dilute acid to form the organoleptically useful 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: October 29, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Braja D. Mookherjee, Anton Van Ouwerkerk, Augustinus G. Van Loveren
  • Patent number: 4532359
    Abstract: Described is a novel process for preparing 1,2,3,3,5,6-hexamethyl- bicyclo [2,2,2.] oct-5-en-2-ol by using 2,6,6-trimethylcyclohexa-2,4-diene-1-one as a starting material.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: July 30, 1985
    Assignee: International Flavors & Fragrancs Inc.
    Inventors: William J. Evers, Braja D. Mookherjee, Anton Van Ouwerkerk, Augustinus G. Van Loveren
  • Patent number: 4514324
    Abstract: Described is 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol as a mixture of isomers and in its isomeric forms having the structures: ##STR1## and the uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles, and colognes. Also described is a novel process for preparing 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol by first reacting the compound having the structure: ##STR2## with the compound having the structure: ##STR3## in order to produce the ketone defined according to the structure: ##STR4## which is hydrogenated to form the compound having the structure: ##STR5## and further hydrogenated to form the ketone having the structure: ##STR6## This ketone is reacted with CH.sub.3 M wherein M represents Li or MgX and wherein X is chloro, bromo or iodo to form the organometallic intermediate defined according to the structures: ##STR7## These compounds are then hydrolyzed with dilute acid to form the organoleptically useful 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: April 30, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Braja D. Mookherjee, Anton Van Ouwerkerk, Augustinus G. Van Loveren
  • Patent number: 4512902
    Abstract: Described is 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol as a mixture of isomers and in its isomeric forms having the structures: ##STR1## and the uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles, and colognes.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: April 23, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Braja D. Mookherjee, Anton Van Ouwerkerk, Augustinus G. Van Loveren
  • Patent number: 4496775
    Abstract: Described is 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol as a mixture of isomers and in its isomeric forms and the uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles, and colognes.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: January 29, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Braja D. Mookherjee, Anton Van Ouwerkerk, Augustinus G. Van Loveren
  • Patent number: 4471135
    Abstract: Described is 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol as a mixture of isomers and in its isomeric forms having the structures: ##STR1## and the uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles, and colognes. Also described is a novel process for preparing 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: September 11, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Braja D. Mookherjee, Anton Van Ouwerkerk, Augustinus G. Van Loveren
  • Patent number: 4434085
    Abstract: Described is 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol as a mixture of isomers and in its isomeric forms having the structures: ##STR1## and the uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles, and colognes. Also described is a novel process for preparing 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol by first reacting the compound having the structure: ##STR2## with the compound having the structure: ##STR3## in order to produce the ketone defined according to the structure: ##STR4## which is hydrogenated to form the compound having the structure: ##STR5## and further hydrogenated to form the ketone having the structure: ##STR6## This ketone is reacted with CH.sub.3 M wherein M represents Li or MgX and wherein X is chloro, bromo or iodo to form the organometallic intermediate defined according to the structures: ##STR7## These compounds are then hydrolyzed with dilute acid to form the organoleptically useful 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: February 28, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Braja D. Mookherjee, Anton Van Ouwerkerk, Augustinus G. Van Loveren
  • Patent number: 4376068
    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: August 13, 1981
    Date of Patent: March 8, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Robert W. Trenkle, Bernard J. Chant, Anton van Ouwerkerk, Venkatesh Kamath, Cynthia J. Mussinan
  • Patent number: 4036774
    Abstract: Processes and compositions are described for the use in perfume aroma augmenting, modifying, altering and enhancing compositions and as perfume and perfumed article aroma imparting materials of mixtures of (i) 2,2,6-trimethyl-1-cyclohexen-1-ylacetaldehyde (hereinafter referred to as "beta-cyclohomocitral") produced by a process which either (A) comprises the steps of:I. Oxidizing beta-ionone having the formula: ##STR1## with a peralkanoic acid having the formula: ##STR2## (wherein R is H, methyl or ethyl) in the presence of buffer and in the absence of dimethyl formamide, to form 2,2,6-trimethyl-1-cyclohexen-1-ylvinylacetate (hereinafter referred to as "beta-ionone enol ester") having the formula: ##STR3## ii. Hydrolyzing said beta-ionone enol ester using a basic hydrolysis agent to form beta-cyclohomocitral having the structure: ##STR4## or (B) oxidizing beta-ionone with hydrogen peroxide in the presence of inorganic base to form beta-cyclohomocitral directly, and (ii) one or two phenyl C.sub.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: July 19, 1977
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anton van Ouwerkerk, Bernard J. Chant, Arthur L. Liberman
  • Patent number: 4028279
    Abstract: Processes and compositions are described for the use in perfume aroma augmenting, modifying, altering and enhancing compositions and as perfume and perfumed article aroma imparting materials of mixtures of (i) 2,2,6-trimethyl-1-cyclohexen-1-ylacetaldehyde.BACKGROUND OF THE INVENTIONThe present invention relates to mixtures of (i) either or both of the phenyl C.sub.6 ketones, 2,5,-dimethyl-5-phenyl hexanone-4 (hereinafter referred to as "4-damascol") and 2,5,-dimethyl-5-phenyl hexen-1-one-3 (hereinafter termed "damascol") and(ii) 2,2,6-trimethyl-1-cyclohexen-1-ylacetaldehyde (hereinafter termed "beta-cyclohomocitral) produced by interalia, a novel process described and claimed in copending application for U.S. Pat. No. 507,414 on Sept. 19, 1974 now U.S. Pat. No. 3,956,393, issued on May 4, 1976, and copending application for U.S. Pat. No. 594,100 filed on July 8, 1975 and novel compositions using such mixtures of phenyl C.sub.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: June 7, 1977
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anton Van Ouwerkerk, Bernard J. Chant, Arthur L. Liberman