The Oxygen Is Part Of A Carbonyl Group Patents (Class 512/26)
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Patent number: 7304028Abstract: The use of 2-methyl-benzoic acid methyl ester as a fragrance chemical, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed.Type: GrantFiled: January 29, 2004Date of Patent: December 4, 2007Assignee: International Flavors & Fragrances Inc.Inventors: Anthony T. Levorse, Jr., Richard Anthony Weiss, Manfred Pawlak
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Patent number: 7196053Abstract: The present invention relates to the field of perfumery, and more precisely to a compound of formula (I) wherein R1 represents an C2 to C4 unsaturated hydrocarbon radical. The present invention concerns also the use of said compound in the perfumery industry as well as the compositions or articles associated with said compound.Type: GrantFiled: March 2, 2004Date of Patent: March 27, 2007Assignee: Firmenich SAInventor: Alvin Scott Williams
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Patent number: 7196050Abstract: The present invention relates to a compound of formula wherein R represents a methyl or an ethyl group, in the form of any one of its isomers or of a mixture thereof. The invention relates also to the use of such a compound as a perfuming ingredient capable of imparting a odorant note of the rose type. Moreover, the invention concern also the perfumed article or perfuming composition containing a compound according to the invention.Type: GrantFiled: November 1, 2002Date of Patent: March 27, 2007Assignee: Firmenich SAInventors: Charles Fehr, Pierre-Alain Blanc
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Patent number: 7189688Abstract: The present invention concerns a compound or mixtures of compounds of formula wherein R represents a linear, branched or cyclic C1-3 hydrocarbon group, and the wavy line indicates that the substituents on the epoxide moiety may have a cis or trans configuration. One or more of these compounds can be used as perfuming ingredients.Type: GrantFiled: February 17, 2004Date of Patent: March 13, 2007Assignee: Firmenich SAInventors: Alvin Scott Williams, Charles Fehr
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Patent number: 7169748Abstract: Novel compounds having the structure (I) where R=methyl, ethyl or propyl, R1=methyl or H, R2=methyl, ethyl or propyl, R3=methyl or H, R4=methyl or ethyl, R5?H or methyl, and where R3 and R5 are not both H, excluding N-ethyl-2-methyl-N-(3-methylphenyl) propanamide, can have desirable odour properties, typically of a tropical fruit, cassis character and find use in perfumes and perfumed productsType: GrantFiled: June 10, 2002Date of Patent: January 30, 2007Assignee: Quest International Services B.V.Inventors: Karl Andrew Dean Swift, Kim Joyce Yarwood
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Patent number: 7160852Abstract: The compound according to the formula set forth below and the use of the compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products is disclosed.Type: GrantFiled: August 7, 2003Date of Patent: January 9, 2007Assignee: International Flavors & Fragrances IncInventors: Anthony T. Levorse, Jr., Anubhav P. S. Narula, Edward Mark Arruda, Charles E. J. Beck
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Patent number: 7157417Abstract: The present invention relates to the perfumery industry. It concerns more particularly a ?-? unsaturated hindered ketone of formula wherein R represents, simultaneously or independently, a C1 to C4 linear or branched alkyl group, and in the form of any one of its isomers, i.e. optical isomers or diastereoisomers, or of a mixture thereof. The use of the compound as a perfuming ingredient, as well as the perfumed articles or perfuming compositions that contain as an active ingredient a compound of formula (I), are also embodiments of the invention.Type: GrantFiled: September 28, 2004Date of Patent: January 2, 2007Assignee: Firmenich SAInventor: Alexandre Huboux
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Patent number: 7129206Abstract: A compound of formula wherein the symbol R? represents a linear or branched, unsaturated or saturated hydrocarbon group having from 1 to 5 carbon atoms; R1, R2, R3, R4 and R5 represent, independently of each other, a hydrogen atom, a methyl, an ethyl or a methoxy group; R6 and R7 represent, independently of each other, a hydrogen atom, a methyl, ethyl, n-propyl or iso-propyl group; and wherein R5 and R6, when taken together with the carbon atoms to which they are bound, may form a six-membered ring, is useful as perfuming ingredient for the preparation of perfuming compositions and perfumed products, to which it imparts odor notes of the floral and indol type without coloring problems in the final product.Type: GrantFiled: January 14, 2003Date of Patent: October 31, 2006Assignee: Firmenich SAInventors: Maurus Marty, Christian Vial
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Patent number: 7026279Abstract: 3-(methoxymethyl)-2-pentylcyclopent derivative compounds having the structure set forth below are disclosed: where: the dotted line represents a potential double bond; R is selected from methyl and ethyl; and X is a C1–C7 hydrocarbon moiety. These compounds are useful fragrance chemicals, suitable for use in creating fragrances and scents in items such as perfumes, colognes and personal care products.Type: GrantFiled: June 24, 2004Date of Patent: April 11, 2006Assignee: International Flavors & Fragrances Inc.Inventors: Michael G. Monteleone, Matthew John Clements, Louis Croce, Jr., Robert P. Belko, Manfred Pawlak
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Patent number: 6960350Abstract: An antifungal fragrance composition containing as its active ingredients: (a) at least one type of fragrance component selected from the group consisting of an aliphatic or aromatic aldehyde having 5 to 16 carbon atoms and an aliphatic or aromatic alcohol having 5 to 16 carbon atoms, and (b) at least one type of compound different from component (a) and selected from the group consisting of an aliphatic or aromatic aldehyde, an aliphatic or aromatic alcohol, acetal and ester that produces synergistic antifungal effects in the presence of said fragrance component (a). The present antifungal fragrance composition demonstrates antifungal activity by adding a small amount of oils and fragrant chemical products that have a minimal effect on the scent of the fragrance composition.Type: GrantFiled: December 12, 2001Date of Patent: November 1, 2005Assignee: Takasago International CorporationInventors: Minoru Hanada, Hisao Iwai, Jun Fujigasaki
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Patent number: 6933270Abstract: Compounds of the formula (I): wherein the bond between the ?- and ?-positions to the aldehyde group represents a C—C single bond or a cis- or trans-configured C?C double bond are useful as perfumes and perfume ingredients.Type: GrantFiled: April 28, 2001Date of Patent: August 23, 2005Assignee: Kao CorporationInventors: Thomas Markert, Ralph Nemitz, Theo Ten Pierik
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Patent number: 6924262Abstract: The compound of formula in which the wavy line represents a bond having a configuration of the type (Z) or (E), or a mixture of the two configurations; R1 represents a hydrogen atom, a C1 to C4 linear or branched alkyl radical, a methoxy or ethoxycarbonyl radical, or an aryl radical, and R2 represents a methyl or ethyl group, possess interesting organoleptic properties and can be advantageously used for the preparation of perfuming compositions to which it gives, in particular, a very natural connotation of the pear type.Type: GrantFiled: August 31, 2001Date of Patent: August 2, 2005Assignee: Firmenich SAInventor: Christian Margot
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Patent number: 6919477Abstract: Novel ester compounds and the use of these esters as a fragrance chemicals, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products are disclosed.Type: GrantFiled: May 14, 2004Date of Patent: July 19, 2005Assignee: International Flavors & Fragrances Inc.Inventors: James O. Bledsoe, Michael Britten-Kelly, Mark A. Sprecker, Robert P. Belko, Manfred Pawlak, Michael G. Monteleone
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Patent number: 6914109Abstract: The invention relates to a process for the preparation of 15-pentadecanolide by hydrogenating 15-pentadecenolide and to its use.Type: GrantFiled: March 18, 2002Date of Patent: July 5, 2005Assignee: Symrise GmbH & Co. KGInventors: Walter Kuhn, Oskar Koch, Hans-Ulrich Funk, Gerhard Senft
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Patent number: 6903067Abstract: An excellent fragrance compound having high palatability. A 3-(3-hexenyl)-2-cyclopentenone represented by a general formula (1) (wherein wavy line represents a double bond cis-form and/or trans-form) is used as an active ingredient of scent and mixed in a small amount with fragrance compositions, cis-jasmone and/or various materials to be scented. Since the above compound has a characteristic fragrance quality and high palatability, it is markedly useful as a scenting component of various fragrances and cosmetics, sanitation materials and the like.Type: GrantFiled: December 4, 2002Date of Patent: June 7, 2005Assignee: Takasago International CorporationInventors: Hiroyuki Matsuda, Kenji Maruyama
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Patent number: 6894020Abstract: Described are mixtures consisting essentially of oxomacrocyclic compounds containing greater than about 40 weight % ?3-cyclotetradecen-1-one and greater than about 40 weight % cyclotetradecanone and less than about 5 weight %, of ?2-cyclotetradecen-1-one, perfumery uses thereof and chemo-selective catalytic hydrogen process for preparing same by hydrogenating mixtures containing significant concentrations, greater than 15 weight %, of ?2-cyclotetradecen-1-one. The oxocarbocyclic compound-containing mixtures have advantageous musk aroma imparting, augmenting and enhancing perfumery properties causing the mixtures to be useful in perfume compositions, perfumed articles and perfumed polymers, including particles and fibers produced therefrom.Type: GrantFiled: January 20, 2004Date of Patent: May 17, 2005Assignee: International Flavors & Fragrances Inc.Inventors: Braja Dulal Mookherjee, Anubhav P. S. Narula, Michael G. Monteleone, Robert W. Trenkle
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Patent number: 6774260Abstract: Novel ester compounds and the use of these esters as a fragrance chemicals, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products are disclosed.Type: GrantFiled: September 14, 2002Date of Patent: August 10, 2004Assignee: International Flavors & Fragrances Inc.Inventors: James O. Bledsoe, Michael Britten-Kelly, Mark A. Sprecker, Robert P. Belko, Manfred Pawlak, Michael G. Monteleone
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Patent number: 6770618Abstract: Trans-2,2,6-trimethylcyclohexyl methyl ketone, including (1S,6R)-2,2,6-trimethylcyclohexyl methyl ketone represented by the formula (1a): and (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone represented by the formula (1b): are useful components in a perfume composition. A process for producing the same is also described. A unique eucalyptus, mint-like and white floral perfume material is provided using the ketone compounds disclosed in the present invention. The process of the present invention produces the optically active ketone compounds having optical purity up to at least 98.0 % e.e.Type: GrantFiled: June 7, 2001Date of Patent: August 3, 2004Assignee: Takasago International Corp.Inventors: Hideo Ujihara, Shinya Watanabe, Takeshi Yamamoto, Toshimitsu Hagiwara
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Patent number: 6762163Abstract: Compounds of formula wherein the double bond in position 4 has a cis or trans configuration, or a mixture of these compounds, are useful as perfuming or flavoring ingredients, in particular as a booster for mandarin or tangerine type flavors.Type: GrantFiled: July 12, 2002Date of Patent: July 13, 2004Assignee: Firmenich SAInventors: Regula Naef, Anthony Meyer, Ferdinand Triolo
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Patent number: 6720302Abstract: (6R)-4,5,6,7-Tetrahydro 3,6-dimethyl-3H-benzo[b]furan-2-one is a compound of use in perfumery and the field of flavorings. The compound can be used to impart a minty, slightly vanilla-scented odor, and its flavor imparts sweetness and roundness to the compositions to which it is added.Type: GrantFiled: January 10, 2002Date of Patent: April 13, 2004Assignee: Firmenich SAInventors: Eric Frerot, Alain Bagnoud
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Patent number: 6720303Abstract: Described are mixtures consisting essentially of oxomacrocyclic compounds containing greater than about 40 weight % &Dgr;3-cyclotetradecen-1-one and greater than about 40 weight % cyclotetradecanone and less than about 5 weight %, of &Dgr;2-cyclo-tetradecen-1-one, perfumery uses thereof and chemo-selective catalytic hydrogen process for preparing same by hydrogenating mixtures containing significant concentrations, greater than 15 weight %, of &Dgr;2-cyclotetradecen-1-one. The oxocarbocyclic compound-containing mixtures have advantageous musk aroma imparting, augmenting and enhancing perfumery properties causing the mixtures to be useful in perfume compositions, perfumed articles and perfumed polymers, including particles and fibers produced therefrom.Type: GrantFiled: November 1, 2001Date of Patent: April 13, 2004Assignee: International Flavors & Fragrances Inc.Inventors: Braja Dulal Mookherjee, Anubhav P. S. Narula, Michael G. Monteleone, Robert W. Trenkle
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Publication number: 20040067870Abstract: The present invention relates to fragrance raw materials having a tertiary alpha carbon atom, to fragrance delivery systems which comprise said tertiary alpha carbon atom fragrance raw materials, and pro-fragrances which are capable of delivering said tertiary alpha carbon atom fragrance raw material and thereby providing an enhanced and sustained aesthetic fragrance benefit. The compounds and systems of the present invention are suitable for use in fine fragrances, perfumes, and other personal care compositions.Type: ApplicationFiled: October 3, 2003Publication date: April 8, 2004Applicant: THE PROCTER & GAMBLE COMPANYInventor: Gregory Scott Miracle
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Publication number: 20040023839Abstract: The present invention relates to new &agr;,&bgr;-unsaturated esters of formula (I). The new compounds exhibit an intense, very long lasting fruity-pineapple odor with green galbanum-type undertones.Type: ApplicationFiled: June 23, 2003Publication date: February 5, 2004Inventors: Andreas Goeke, Katja Berg-Schultz, Jerzy A. Bajgrowicz
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Publication number: 20040014633Abstract: An alkyl gycol ether having the following formula 1Type: ApplicationFiled: July 10, 2002Publication date: January 22, 2004Applicant: Takasago International CorporationInventors: Takashi Aida, Andrew T. Lupo, Hiroyuki Matsuda
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Patent number: 6632787Abstract: Carbonyl compounds derived from the reaction of alkyl cyclopentenols and vinyl ethers are described. The carbonyl compounds described have excellent fragrance properties, and their use as fragrances and/or fragrance-enhancing compounds is also described. Processes for the preparation of the carbonyl compounds are described as well.Type: GrantFiled: August 10, 2001Date of Patent: October 14, 2003Assignee: Cognis Deutschland GmbH & Co. KGInventors: Thomas Markert, Ute Lemke, Elke Veit, Theo Ten Pierik, Ralph Nemitz, Volker Porrmann, Marc Speitkamp
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Patent number: 6632788Abstract: The compound according to the formula set forth below where A is B is or A and B together form the ring structure and X, R′ and R are independently H and CH3 and m=0 or 1. and the use of the compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products is disclosed.Type: GrantFiled: May 17, 2001Date of Patent: October 14, 2003Assignee: International Flavors & Fragrances Inc.Inventors: Anthony T. Levorse, Jr., Anubhav P.S. Narula, Edward Mark Arruda, Charles E.J. Beck
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Patent number: 6617304Abstract: The invention discloses a method for the production of a macrocyclic lactone represented by a formula (2), which comprises subjecting a hydroxycarboxylic acid ester represented by a formula (1) to intramolecular esterification reaction. In the formulae (1) and (2), m is an integer of from 5 to 10, n is an integer wherein m+n becomes from 11 to 16, X represents —CH2—, —CH═CH—, —O—, —S— or —NH—, and R represents a hydrocarbon group having from (m+n+2) to 40 carbon atoms or a group represented by —(AO)pR1 wherein AO represents an alkyleneoxy group having from 2 to 4 carbon atoms, p is average addition mole number of alkylene oxide and R1 represents a hydrocarbon group having a specified number of carbon atoms so that the total number of carbon atoms of the —(AO)pR1 group becomes from (m+n+2) to 40.Type: GrantFiled: November 7, 2000Date of Patent: September 9, 2003Assignee: Kao CorporationInventors: Takashi Aoki, Shinji Kotachi, Junji Koshino
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Patent number: 6596686Abstract: The present invention is directed to the use of an olfactory acceptable amount comprising tetrahydro-4-methylene-2-(4-methoxyphenyl)-2H-pyran, 5,6-dihydro-4-methyl-2-(4-methoxyphenyl)-2H-pyran, 3,6-dihydro-4-methyl-2-(4-methoxyphenyl)-2H-pyran and mixtures of these materials which are useful in creating fragrances, and scents in items such as perfumes, colognes and personal care products.Type: GrantFiled: March 12, 2001Date of Patent: July 22, 2003Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Charles E. J. Beck
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Publication number: 20030119712Abstract: The present invention relates to a compound of formula 1Type: ApplicationFiled: November 1, 2002Publication date: June 26, 2003Inventors: Charles Fehr, Pierre-Alain Blanc
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Publication number: 20030096731Abstract: The invention relates to aromas and aroma compositions, which contain 4,8-dimethyl-3,7-nonadien-2-one and which can be used in foodstuffs and luxury foods or in preparations used for oral hygiene.Type: ApplicationFiled: September 3, 2002Publication date: May 22, 2003Inventors: Stefan Lambrecht, Gunter Kindel, Erich Dilk, Matthias Guntert
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Publication number: 20030087797Abstract: Described are mixtures consisting essentially of oxomacrocyclic compounds containing greater than about 40 weight % &Dgr;3-cyclotetradecen-1-one and greater than about 40 weight % cyclotetradecanone and less than about 5 weight %, of &Dgr;2-cyclo-tetradecen-1-one, perfumery uses thereof and chemo-selective catalytic hydrogen process for preparing same by hydrogenating mixtures containing significant concentrations, greater than 15 weight %, of &Dgr;2-cyclotetradecen-1-one. The oxocarbocyclic compound-containing mixtures have advantageous musk aroma imparting, augmenting and enhancing perfumery properties causing the mixtures to be useful in perfume compositions, perfumed articles and perfumed polymers, including particles and fibers produced therefrom.Type: ApplicationFiled: November 1, 2001Publication date: May 8, 2003Inventors: Braja Dulal Mookherjee, Anubhav P.S. Narula, Michael G. Monteleone, Robert W. Trenkle
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Patent number: 6555517Abstract: The use of aldehydes as odorous materials, which can be produced through partial or total hydroformylation of cyclooctadienes, except cyclooctane aldehydes, is described. The fragrance enhancing capacity of the compounds is described in methods for their use both as perfumes and perfume enhancers or boosters.Type: GrantFiled: December 6, 2000Date of Patent: April 29, 2003Assignee: Cognis Deutschland GmbHInventors: Thomas Markert, Volker Porrmann, Theo Ten Pierik
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Patent number: 6551988Abstract: 4,8-cyclododecadienyl ketones having formula (I), in which R has up to 5 carbon atoms, are novel compounds exhibiting woody/amber odor characteristics which find use in perfumes and in perfumed products.Type: GrantFiled: December 18, 2000Date of Patent: April 22, 2003Assignee: Quest International B.V.Inventor: David Munro
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Patent number: 6509312Abstract: The compounds of formula wherein R1 represents a methyl or ethyl group, R2 represents an ethyl group, a linear or branched propyl group, or an isobutyl group and the wavy bond indicates that the carbon number 2 is asymmetric and can adopt a configuration R or S, are useful as perfuming ingredients for the preparation of perfumes, perfuming compositions and perfumed articles. They can be used to impart a very natural fruity note.Type: GrantFiled: June 26, 2000Date of Patent: January 21, 2003Assignee: Firmenich SAInventor: Wolfgang Klaus Giersch
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Patent number: 6500797Abstract: The present invention relates to methods for preparing &bgr;-ketoester fragrance pro-accords from activated acyl units, 1,3-dioxan-4,6-diones and fragrance raw material alcohols. The first step involves contacting an activated acyl unit, preferably an acid chloride, with a 1,3-dioxan-4,6-dione, an example of which is Meldrum's acid, to form a 2-acyl 1,3-dioxan-4,6-dione which is then reacted with a fragrance raw material alcohol to form the final &bgr;-ketoester fragrance pro-accord. The resulting &bgr;-ketoester fragrance pro-accords are suitable for use in laundry detergent, personal care, and other formulations wherein aesthetic fragrance materials are employed.Type: GrantFiled: March 23, 2000Date of Patent: December 31, 2002Assignee: The Procter & Gamble CompanyInventors: Rafael Ortiz, Lee Arnold Schectman, Mark Robert Sivik, John August Wos
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Publication number: 20020193282Abstract: Compounds of formula 1Type: ApplicationFiled: July 12, 2002Publication date: December 19, 2002Inventors: Regula Naef, Anthony Meyer, Ferdinand Triolo
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Patent number: 6495512Abstract: Described are synergistic antimicrobial-fragrance compositions including broad spectrum antimicrobial compositions containing salicylaldehyde and at least one organoleptically-compatible antimicrobial synergism cofactor substance. The weight ratio range of salicylaldehyde:synergism cofactors substance is from 1:10 up to 10:1. The cofactor substance is such that the degree of synergism of the resultant mixture is defined according to the IFF Antimicrobial Synergism Test wherein the difference between the actual and expected antimicrobial values of the mixture is greater than or equal to a multiple of (i) 0.05 and (ii) the expected antimicrobial value of the mixture. Cofactor substances include phenolics such as cresol, caravacrol and thymol; ethyl vanillin; benzyl alcohol; indol; &bgr;-orcinol; and terpinenol-4.Type: GrantFiled: June 23, 2000Date of Patent: December 17, 2002Assignees: International Flavors & Fragrances Inc., South Bank University Enterprises Ltd., Cosar Ltd.Inventors: Michael John Robert White, Maria Therese Lis-Balchin, Elisabeth J. M. Simpson, Stanley G. Deans, Remco Johannes Hendrik De Meijere
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Patent number: 6492323Abstract: The present invention describes a fragrance delivery system which releases fragrant aldehydes or ketones and/or fragrant compounds containing an olefin function upon exposure to light. This system comprises &agr;-keto esters of formula in which R′* and R″* have the meaning as defined in the application and which are generally, in case of R′*, an alkyl group carrying an abstractable hydrogen in &ggr;-position relative to the &agr;-keto function and carrying a moiety from which is derived a fragrant compound containing an olefin function, and, in case of R″*, the organic part of a primary or secondary alcohol from R″*OH which is derived a fragrant aldehyde or ketone.Type: GrantFiled: February 27, 2001Date of Patent: December 10, 2002Assignee: Firmenich SAInventor: Andreas Herrmann
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Patent number: 6475473Abstract: A perfume composition contains at least 15% by weight one or more defined aldehydes, and at least 30% by weight of at least one of five defined categories of hydroxylic materials, ketones, ethers, esters and nitriles. The perfume composition exhibits a deodorant effect, is particularly good at reducing sulphurous malodors, and is suitable for use in deodorant products, personal products and laundry treatment products.Type: GrantFiled: January 5, 2001Date of Patent: November 5, 2002Assignee: Quest International B.V.Inventors: Keith D. Perring, Philip W. Goulding, John M. Behan
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Patent number: 6458987Abstract: The invention concerns novel chemical compounds, namely citronellyl lactate and dihydrocitronellyl lactate and their optically active forms. The invention also concerns the method for obtaining them. The invention further concerns their use in the field of perfumes.Type: GrantFiled: July 6, 2000Date of Patent: October 1, 2002Assignee: Rhodia ChimieInventor: Isabelle Storet
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Publication number: 20020137660Abstract: The present invention relates to a process for the preparation of alkylcarboxylic allyl esters by reacting allyl alcohol and alkylcarboxylic acids.Type: ApplicationFiled: March 18, 2002Publication date: September 26, 2002Inventors: Walter Kuhn, Gerhard Senft
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Patent number: 6451758Abstract: Odoriferous compounds containing from 70 to 90% by weight of 2-methylene-3-(4-methlycyclohex-3-enyl)-butanal and from 10 to 30% by weight of limonene aldehyde, are described. The fragrance providing capabilities of the compounds are described in methods for their use, and perfumed compositions containing such compounds are also described.Type: GrantFiled: January 12, 2000Date of Patent: September 17, 2002Assignee: Cognis Deutschland GmbHInventors: Thomas Markert, Theo Ten Pierik
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Patent number: 6440400Abstract: The present invention is a trimethylcyclohexane derivative represented by Formula (1): wherein A represents C═O or CH—OH, n represents 2, R1 represents hydrogen or a methyl group, R2 represents a straight or branched, saturated or unsaturated hydrocarbon group having 3 to 10 carbon atoms, and a dotted line represents a saturated or unsaturated carbon-carbon bond, a melanin production inhibitor and a fragrance fixative comprising one or more of the trimethylcyclohexane derivatives, and a dermal formulation comprising one or more of the melanin production inhibitors and/or fragrance fixatives.Type: GrantFiled: August 2, 2000Date of Patent: August 27, 2002Assignee: Takasago International CorporationInventors: Takashi Aida, Hiroyuki Matsuda, Kenya Ishida, Tetsuro Yamasaki, Eiko Tamai, Kazuhiko Tokoro
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Patent number: 6420334Abstract: 2-Alkoxydecahydro-2,3a,4,4,7-pentamethyl-3,7a-methano-7aH-indeno[5,6-b]furans are valuable novel woody fragrances for the preparation of perfume oils.Type: GrantFiled: June 30, 2000Date of Patent: July 16, 2002Assignee: Haarmann & Reimer GmbHInventors: Horst Surburg, Peter Wörner
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Publication number: 20020055453Abstract: Lower alkyl- and lower alkylidene-substituted, saturated or unsaturated cyclohexadecanones are grand fragrances with muscone note with which perfumes with new odor notes can be prepared.Type: ApplicationFiled: August 2, 2001Publication date: May 9, 2002Inventors: Marcus Eh, Ingo Wohrle
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Publication number: 20020055455Abstract: The compound of formula 1Type: ApplicationFiled: August 31, 2001Publication date: May 9, 2002Inventor: Christian Margot
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Patent number: 6376457Abstract: Phenone ketals corresponding to formula (I): where X and Y independently of one another represent methoxy, ethoxy, propoxy or butoxy groups and R1 is a methyl, ethyl or propyl group, R2 is hydrogen or a methyl, ethyl, isopropyl, tert.butyl or methoxy group, R3 is hydrogen or a methoxy group and R4 is hydrogen or a methyl group; their use as a component of perfumes; and perfume compositions containing them.Type: GrantFiled: October 1, 1999Date of Patent: April 23, 2002Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Thomas Markert, Ralph Nemitz
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Patent number: 6376458Abstract: A compound of formula wherein either the dotted line indicates the location of a double bond, n is equal to 1 and R represents a hydrogen atom or a methyl radical, or the dotted line indicates the location of a single bond, n is equal to 0 and R represents a hydrogen atom, is useful as a perfuming ingredient for the preparation of perfuming compositions and perfumed products, to which it imparts odor notes of the lily of the valley type.Type: GrantFiled: May 10, 2000Date of Patent: April 23, 2002Assignee: Firmewich SAInventor: Beat Winter
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Publication number: 20020035055Abstract: The present invention provides a fragrance precursor of formula I: 1Type: ApplicationFiled: June 18, 2001Publication date: March 21, 2002Inventors: Markus Gautschi, Caroline Plessis, Samuel Derrer
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Patent number: 6326349Abstract: Disclosed are compounds of formula I having a strong musk-like odor: In formula I, R1 and R2 are hydrogen or methyl, with the proviso that when R1 is methyl, R2 is hydrogen, and when R1is hydrogen, R2 is methyl. The compounds of formula I may be in the Z- and/or in the E-form. Methods of making the compounds of formula I and compositions containing such compounds are also disclosed.Type: GrantFiled: September 1, 1999Date of Patent: December 4, 2001Assignee: Givaudan Roure (International) SAInventors: Daniel Helmlinger, Georg Fráter, Urs Müller