Patents by Inventor Bernd Hoelscher

Bernd Hoelscher 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).

  • Publication number: 20240117269
    Abstract: The present invention relates to new odorants or odorant mixtures comprising a sensory effective amount of the compounds of formula (I). In addition, the present invention relates to perfume oils, modified perfume oils, perfume compositions, perfume oil preparations and perfumed products comprising at least one of the compounds of formula (I) in a sensory effective amount. Furthermore, the invention relates to the use of at least one of the compounds of formula (I) as an odorant or in odorant mixtures as well as perfumed products.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 11, 2024
    Inventors: Frank Gerstmann, Bernd Hoelscher
  • Patent number: 11946019
    Abstract: 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: Grant
    Filed: November 12, 2019
    Date of Patent: April 2, 2024
    Assignee: SYMRISE AG
    Inventors: Vijayanand Chandrasekaran, Bernd Hölscher
  • Publication number: 20230365483
    Abstract: 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: Application
    Filed: September 20, 2021
    Publication date: November 16, 2023
    Inventors: Vijayanand Chandrasekaran, Bernd Hölscher
  • Publication number: 20230357664
    Abstract: 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: Application
    Filed: September 18, 2020
    Publication date: November 9, 2023
    Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER
  • Publication number: 20230348488
    Abstract: 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: Application
    Filed: September 18, 2020
    Publication date: November 2, 2023
    Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER, Janis BLUME
  • Publication number: 20230227752
    Abstract: 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: Application
    Filed: June 18, 2020
    Publication date: July 20, 2023
    Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER, Julia AMOS
  • Publication number: 20230202963
    Abstract: 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: Application
    Filed: April 8, 2020
    Publication date: June 29, 2023
    Inventors: Vijayanand CHANDRASEKARAN, Bernd HOELSCHER
  • Publication number: 20230126581
    Abstract: 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: Application
    Filed: April 20, 2020
    Publication date: April 27, 2023
    Inventors: Vijayanand CHANDRASEKARAN, Bernd HÖLSCHER
  • Patent number: 11634659
    Abstract: 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: Grant
    Filed: July 23, 2018
    Date of Patent: April 25, 2023
    Assignee: SYMRISE AG
    Inventors: Bernd Hoelscher, Vijayanand Chandrasekaran
  • Patent number: 11597895
    Abstract: The present invention relates primarily to fragrance substance mixtures, preferably perfume oils, comprising or consisting of (a) 8,8-dimethyl-6,10-dioxaspiro[4,5]decane, i.e. a compound of formula (I) as described herein, and additionally (b) one or more fragrance substance(s) selected from the group consisting of esters, lactones, oximes and sulphur compounds with a molar mass of 240 g/mol or less and/or (c) one or more fragrance substance(s) selected from the group consisting of acetals, ketones and ethers with a molar mass in the range of 126-240 g/mol.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: March 7, 2023
    Assignee: SYMRISE AG
    Inventors: Bernd Hölscher, Marc Mansfeld, Julia Amos
  • Patent number: 11572352
    Abstract: A method for producing slcareolide comprising the following steps: (a) providing sclareol as starter material; (b) contacting the starter material sclareol with ozone in air or oxygen as the sole oxidant in an acidic medium.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: February 7, 2023
    Assignee: SYMRISE AG
    Inventors: Bernd Hölscher, Patrick Foley, Yonghua Yang, Johannes Panten
  • Publication number: 20220273537
    Abstract: Summary Provided are non-aqueous perfume mixtures comprising 1,3-propanediol and one or more perfume(s), in particular from the group of odorant alcohols with green notes and/or the group of odorant alcohols with floral notes, a process for the preparation of the perfume mixtures, a process for modifying the sensory properties of a perfume, the use of 1,3-propanediol for modifying sensory properties of a perfume in a perfume mixture and for the preparation of a perfume mixture, the use of the perfume mixtures for the preparation of perfumed products, perfumed products containing the perfume mixtures in a sensory effective amount and a process for the preparation of the perfume mixtures.
    Type: Application
    Filed: July 16, 2020
    Publication date: September 1, 2022
    Inventors: Bernd Hoelscher, Julia Amos
  • Patent number: 11420921
    Abstract: The present invention relates to novel compounds of formula (I) as well as mixtures comprising or consisting of compounds of formula (I). Furthermore, the present invention relates to a process for the preparation of the compounds of formula (I) and to the use of the compounds of formula (I) as a perfuming ingredient, in particular as a lily of the valley perfuming ingredient. Ultimately, the present invention relates to perfume preparations and perfumed products or consumer goods comprising at least one of the compounds of formula (I).
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: August 23, 2022
    Assignee: SYMRISE AG
    Inventors: Bernd Hoelscher, Frank Gerstmann, Mark Mansfeld
  • Publication number: 20220242808
    Abstract: A process is proposed for the production of longer-chain 1,2-alkanediols and 1,3-alkanediols by a radical-chain addition reaction of alkylene glycols to obtain olefins.
    Type: Application
    Filed: October 2, 2018
    Publication date: August 4, 2022
    Inventors: Bernd HÖLSCHER, Marc MANSFELD
  • Publication number: 20220228085
    Abstract: 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: Application
    Filed: May 17, 2019
    Publication date: July 21, 2022
    Inventors: Bernd Hoelscher, Vijayanand Chandrasekaran, Johannes Panten, Tobias Voessing
  • Publication number: 20220220051
    Abstract: 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: Application
    Filed: June 12, 2020
    Publication date: July 14, 2022
    Inventors: Vijayanand Chandrasekaran, Bernd Hoelscher, Eva Kiermasch
  • Patent number: 11352587
    Abstract: Suggested is a fragrance mixture comprising specific esters of (?)-carveol and/or (?)-dihydro-carveol.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: June 7, 2022
    Assignee: Symrise AG
    Inventors: Bernd Hölscher, Marc Mansfeld, Annabel Chmelnyk, Sven Siegel
  • Publication number: 20220049183
    Abstract: 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: Application
    Filed: December 20, 2018
    Publication date: February 17, 2022
    Inventors: Bernd HÖLSCHER, Vijayanand CHANDRASEKARAN, Eva OHRMANN, Tobias WAGNER
  • Publication number: 20220033338
    Abstract: The present invention relates to novel compounds of formula (I) as well as mixtures comprising or consisting of compounds of formula (I). Furthermore, the present invention relates to a process for the preparation of the compounds of formula (I) and to the use of the compounds of formula (I) as a perfuming ingredient, in particular as a lily of the valley perfuming ingredient. Ultimately, the present invention relates to perfume preparations and perfumed products or consumer goods comprising at least one of the compounds of formula (I).
    Type: Application
    Filed: September 19, 2018
    Publication date: February 3, 2022
    Inventors: Bernd Hoelscher, Frank Gerstmann, Mark Mansfeld
  • Publication number: 20210395640
    Abstract: 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: Application
    Filed: November 12, 2018
    Publication date: December 23, 2021
    Inventors: Bernd HÖLSCHER, Vijayanand CHANDRASEKARAN