Patents by Inventor Vijayanand Chandrasekaran
Vijayanand Chandrasekaran 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: 11946019Abstract: The present invention relates to the compound 2-ethyl-5,5-dimethyl-cyclohexanol, which can impart, modify and/or enhance one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, mixtures comprising 2-ethyl-5,5-dimethyl-cyclohexanol, and a new method for producing the same, a fragrance composition comprising 2-ethyl-5,5-dimethyl-cyclohexanol, the use of 2-ethyl-5,5-dimethyl-cyclohexanol as a fragrance, particularly for imparting, modifying and/or enhancing one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, a perfumed product comprising 2-ethyl-5,5-dimethyl-cyclohexanol, a method for perfuming such a product and a method for modifying an olfactory impression.Type: GrantFiled: November 12, 2019Date of Patent: April 2, 2024Assignee: SYMRISE AGInventors: Vijayanand Chandrasekaran, Bernd Hölscher
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Publication number: 20230365483Abstract: The invention is in the field of fragrances and relates to novel fragrance compounds according to general formula (I) derived from campholenic aldehyde with a sandalwood-based note and improved acid stabilities. Furthermore, the present invention also relates to fragrance compositions comprising one or more of the inventive compounds. Moreover, the invention relates to the use of these compounds or fragrance compositions as an odorant or for improving the fixation of a fragrance compound or a fragrance composition as well as for the preparation of a perfumed product. In addition, the present invention thus also refers to the use of said compounds or compositions for the preparation of a perfumed products as well as perfumed products as such.Type: ApplicationFiled: September 20, 2021Publication date: November 16, 2023Inventors: Vijayanand Chandrasekaran, Bernd Hölscher
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Publication number: 20230357664Abstract: The present invention primarily relates to compounds of formula (I) as defined herein and to compositions comprising one, two, three or more compounds of formula (I) as defined herein, or consisting of two, three or more compounds of formula (I) as defined herein. The invention further relates to methods for producing compounds of formula (I) (or (Ia) or (Ib)), to the use of compounds of formula (I) as fragrance substances and the use of compositions comprising a compound of formula (I) or consisting of compounds of formula (I) as fragrance substance mixtures. It further relates to fragrance substance compositions comprising or consisting of compounds or compositions as defined herein and one or more additional fragrance substances, to perfumed products comprising compounds or compositions or fragrance substance compositions as defined herein, to methods for producing perfumed products as defined herein and to methods for perfuming hair, skin, textile fibres, surfaces and/or ambient air.Type: ApplicationFiled: September 18, 2020Publication date: November 9, 2023Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER
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Publication number: 20230348488Abstract: The present invention primarily relates to compounds of formula (I) and compositions comprising one, two, three or more compound(s) of formula (I) or consisting of two, three or more compound(s) of formula (I). The invention further relates to methods for producing a compound of formula (I) or a composition as defined herein, the use of a compound of formula (I) as defined herein as a fragrance substance, the use of a composition as defined herein as a fragrance substance mixture and the use of a compound of formula (I) or a composition as defined herein for imparting, modifying and/or enhancing one or more olfactory notes selected from the group consisting of the notes ambergris, woody and animalic. Moreover, the present invention relates to fragrance substance compositions and perfumed products as defined herein, methods for producing a perfumed product, methods for perfuming a product and methods for perfuming hair, skin, textile fibres, surfaces and/or ambient air.Type: ApplicationFiled: September 18, 2020Publication date: November 2, 2023Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER, Janis BLUME
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Publication number: 20230227752Abstract: The present invention relates to fragrance mixtures comprising or consisting of a compound of formula (I) and one or more fragrances having a green and/or flowery scent. The invention further provides methods for producing a fragrance mixture according to the invention and methods for enhancing and/or modifying a green and/or flowery scent by mixing a compound of formula (I) with one or more fragrances having a green and/or flowery scent. Moreover, the present invention provides perfumed products comprising a fragrance mixture of the present invention and methods for producing a perfumed product as well as a use of the compound of formula (I) to enhance and/or modify a green and/or flowery scent.Type: ApplicationFiled: June 18, 2020Publication date: July 20, 2023Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER, Julia AMOS
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Publication number: 20230202963Abstract: The present invention relates to novel esters of formula (I) as defined below and their use as fragrance or malodour reducing agents. Moreover, the present invention relates to fragrance compositions comprising a compound or a mixture of compounds of formula (I) and one or more further fragrance substance(s). The invention also provides a method for perfuming a product with a compound or a mixture of compounds of formula (I) as defined below and the perfumed product as well as a method for perfuming hair, skin, textile fibers, surfaces and/or ambient air with a compound or a mixture of compounds of formula (I) as defined below.Type: ApplicationFiled: April 8, 2020Publication date: June 29, 2023Inventors: Vijayanand CHANDRASEKARAN, Bernd HOELSCHER
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Publication number: 20230159854Abstract: Suggested is fragrance composition comprising or consisting of a selection of specific nitriles showing improved stability against decomposition and discoloration.Type: ApplicationFiled: May 11, 2021Publication date: May 25, 2023Inventor: Vijayanand CHANDRASEKARAN
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Publication number: 20230126581Abstract: The present invention relates to novel fragrance compounds of general formula (I) which exhibit a Sandalwood-like fragrance and which are derivable from campholenic aldehyde derivates according to general formula (II). Furthermore, the present invention discloses compositions comprising one or more of the inventive fragrance compounds. The invention also relates to the use of such compounds or fragrance compositions comprising one or more of the compounds according to the invention as an odorant or or improving the fixation of a fragrance compound or a fragrance composition. Furthermore, the present invention refers to the use of such compounds or compositions for the preparation of a perfumed products as well as perfumed products as such.Type: ApplicationFiled: April 20, 2020Publication date: April 27, 2023Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER
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Patent number: 11634659Abstract: The present invention primarily concerns the use of compounds of the following formula (I) wherein X represents an oxygen atom, a —CHO, an —OH, or a —CH2OH group, a single bond or a double bond is present at the respective location of one of the dotted lines, at least one double bond is present when X is an OH group, and the 3-isopentyl or 3-isopent-2-enyl residue is connected to the ring in the ortho, meta, or para position to the X group, as perfuming and/or flavouring agents. The invention further relates to fragrance and flavour compositions containing one or more of these compounds, perfumed or flavoured articles comprising one or more of these compounds and corresponding processes for imparting, modifying and/or enhancing certain odour notes.Type: GrantFiled: July 23, 2018Date of Patent: April 25, 2023Assignee: SYMRISE AGInventors: Bernd Hoelscher, Vijayanand Chandrasekaran
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Publication number: 20220228085Abstract: Fragrance or flavour mixtures containing (i) (E)-2-methyl-but-2-endicarboxylic acid diesters, (ii) (Z)-2-methyl-but-2-endicarboxylic acid diesters and (iii) 2-methylenebutanedicarboxylic acid diesters with a fruity, pear-like note are provided. Further provided are a process for the preparation of these fragrances or flavourings or fragrance or flavouring mixtures, and the use of the fragrance or flavouring mixtures to produce a fruity, pear-like fragrance or flavour or for the preparation of a fragrance mixture or a perfume oil, cosmetic agent, application agent, detergent and cleaning agent, foodstuff, animal feed or pharmaceutical product, as well as the products made therefrom which contain the fragrance or flavouring mixtures in a sensory effective amount.Type: ApplicationFiled: May 17, 2019Publication date: July 21, 2022Inventors: Bernd Hoelscher, Vijayanand Chandrasekaran, Johannes Panten, Tobias Voessing
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Publication number: 20220220051Abstract: The present invention relates to novel fragrance compounds derived from campholenic aldehyde according to general Formula (II) or from the cyclopropanated campholenic aldehyde according to general Formula (III), or to compositions comprising one or more such fragrance compounds. The invention also relates to methods for preparing these compounds and to particular intermediates which are used in the preparation processes according to the present invention. It also pertains to a method for producing, enhancing or modifying a sandalwood odor in a formulation. The invention also relates to the use of such compounds or fragrance compositions comprising one or more compounds according to the invention as an odorant or for improving the fixation of a fragrance compound or a composition comprising a fragrance compound or for preparing perfumed products. Finally, the invention relates to corresponding perfumed products.Type: ApplicationFiled: June 12, 2020Publication date: July 14, 2022Inventors: Vijayanand Chandrasekaran, Bernd Hoelscher, Eva Kiermasch
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Publication number: 20220049183Abstract: The present invention primarily relates to the use of a compound according to the general formula (I) wherein i) m is 1, n is 1, o is 0 or 1, Y is Hydrogen, or ii) m is 2, n is 0, o is 1, Y is methyl, and wherein X is O or methylene, R and R1 are each methyl or form together with the carbon atom attached to a carbonyl group, and R2 is methyl, ethyl, propyl, butyl, butan-2-one-4-yl, tetrahydrofuran-2-yl, or tetrahydrofuran-3-yl, as perfuming ingredients. Moreover, the present invention relates to perfume compositions and perfumed products comprising the before mentioned perfuming ingredients. Still more particularly, the invention relates to a method for producing said perfumed products and a method of imparting and/or increasing musk odor characteristics to perfumed products. This invention also relates to a process for the preparation of said compounds according to the general formula (I).Type: ApplicationFiled: December 20, 2018Publication date: February 17, 2022Inventors: Bernd HÖLSCHER, Vijayanand CHANDRASEKARAN, Eva OHRMANN, Tobias WAGNER
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Publication number: 20210395640Abstract: The present invention relates to the use of 1-(4,4-dimethylcyclohexyl)ethanone, 1-(4,4-dimethylcyclohex-1-en-1-yl)ethanone, 1-(4,4-dimethylcyclohexyl)ethanol, 1-(4,4-dimethylcyclohexyl)ethyl acetate and 1-(2-hydroxy-4,4-dimethylcyclohexyl)ethanone as a fragrance substance, in particular with a flowery and/or fruity olfactory characteristic. The present invention further relates to fragrance compositions and perfumed products comprising the compounds listed above. The present invention also relates to a method producing perfumed products and a method producing 1-(4,4-dimethylcyclohexyl)ethanol or 1-(4,4-dimethylcyclohexyl)ethyl acetate. Further, the invention relates to the compounds 1-(4,4-dimethylcyclohexyl)ethyl acetate, 1-(4,4-dimethylcyclohexyl)ethanol and 1-(2-hydroxy-4,4-dimethylcyclohexyl)ethanone.Type: ApplicationFiled: November 12, 2018Publication date: December 23, 2021Inventors: Bernd HÖLSCHER, Vijayanand CHANDRASEKARAN
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Publication number: 20210395641Abstract: The present invention primarily relates to the use of 3-(4-isobutyl-2-methyl-cyclohexyl)pro-panal, 3-(4-Isobutyl-6-methyl-cyclohexa-1,5-dien-1-yl)propanal, 3-(4-isobutyl-6-meth-ylene-cyclohexen-1-yl)propanal, or 3-(4-isobutyl-6-methyl-cyclohexen-1-yl)propanal as perfuming ingredients. Moreover, the present invention relates to perfume compositions and perfumed products comprising the before mentioned perfuming ingredients. Still more particularly, the invention relates to a method for producing said perfumed products and a method of imparting and/or increasing i) floral and/or ii) green and/or iii) lily of the valley odor characteristics to perfumed products. This invention also relates to 3-(4-isobutyl-2-methyl-cyclohexyl)propanal, 3-(4-Isobutyl-6-methyl-cyclohexa-1,5-dien-1-yl)propanal, 3-(4-isobutyl-6-methylene-cyclohexen-1-yl)propanal, or 3-(4-isobutyl-6-methyl-cyclohexen-yl)propanal and a process for the preparation of said compounds.Type: ApplicationFiled: November 13, 2018Publication date: December 23, 2021Inventors: Bernd HÖLSCHER, Vijayanand CHANDRASEKARAN, Eva KIERMASCH
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Publication number: 20210395639Abstract: The present invention relates to the compound 2-ethyl-5,5-dimethyl-cyclohexanol, which can impart, modify and/or enhance one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, mixtures comprising 2-ethyl-5,5-dimethyl-cyclohexanol, and a new method for producing the same, a fragrance composition comprising 2-ethyl-5,5-dimethyl-cyclohexanol, the use of 2-ethyl-5,5-dimethyl-cyclohexanol as a fragrance, particularly for imparting, modifying and/or enhancing one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, a perfumed product comprising 2-ethyl-5,5-dimethyl-cyclohexanol, a method for perfuming such a product and a method for modifying an olfactory impression.Type: ApplicationFiled: November 12, 2019Publication date: December 23, 2021Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER
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Publication number: 20210324300Abstract: The present invention primarily concerns the use of compounds of the following formula (I) wherein X represents an oxygen atom, a —CHO, an —OH, or a —CH2OH group, a single bond or a double bond is present at the respective location of one of the dotted lines, at least one double bond is present when X is an OH group, and the 3-isopentyl or 3-isopent-2-enyl residue is connected to the ring in the ortho, meta, or para position to the X group, as perfuming and/or flavouring agents. The invention further relates to fragrance and flavour compositions containing one or more of these compounds, perfumed or flavoured articles comprising one or more of these compounds and corresponding processes for imparting, modifying and/or enhancing certain odour notes.Type: ApplicationFiled: July 23, 2018Publication date: October 21, 2021Inventors: Bernd Hoelscher, Vijayanand Chandrasekaran
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Publication number: 20210122995Abstract: The present invention relates to a new high-throughput process for reducing impurities in essential oils and extracts (in particular for fragrances, fragrance ingredients, flavours and cosmetic ingredients) under mild conditions. Undesirable natural components such as waxes, but also synthetic materials such as agrochemicals and other environmental pollutants are reduced by using at least one selective nanofiltration membrane. In addition, the present invention relates to a method for reducing coloured components in essential oils to obtain a less coloured or even colourless essential oil, while achieving high re-colouration stability over time. Further, the odour quality is maintained or increased through reduction of undesirable olfactory substances to achieve a purified and higher quality oil.Type: ApplicationFiled: August 1, 2017Publication date: April 29, 2021Inventors: Vijayanand Chandrasekaran, Stefan Brennecke, Uwe Schaar, Edison Diaz Gomez, Claudia Utermöhle, Pierre Kurzenne
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Patent number: 10988434Abstract: A fragrance mixture and its applications, in particular perfume oils, cosmetic agents, application agents or washing and cleaning agents, containing a sensory effective amount of (i) (E)-2-methyl-but-2-endicarboxylic acid diethyl ester, (ii) (Z)-2-methyl-but-2-endicarboxylic acid diethyl ester or (iii) 2-methylenebutanedicarboxylic acid diethyl ester and mixtures thereof and analogous esters derived from these compounds and mixtures.Type: GrantFiled: September 27, 2017Date of Patent: April 27, 2021Assignee: SYMRISE AGInventors: Vijayanand Chandrasekaran, Johannes Panten, Oskar Koch, Edison Diaz Gomez
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Publication number: 20200010402Abstract: A fragrance mixture and its applications, in particular perfume oils, cosmetic agents, application agents or washing and cleaning agents, containing a sensory effective amount of (i) (E)-2-methyl-but-2-endicarboxylic acid diethyl ester, (ii) (Z)-2-methyl-but-2-endicarboxylic acid diethyl ester or (iii) 2-methylenebutanedicarboxylic acid diethyl ester and mixtures thereof and analogous esters derived from these compounds and mixtures.Type: ApplicationFiled: September 27, 2017Publication date: January 9, 2020Inventors: Vijayanand Chandrasekaran, Johannes Panten, Oskar Koch, Edison Diaz Gomez