Haarmann & Reimer Gmbh

Symrise Gmbh & Co Kg

Symrise Ag

Walter Kuhn

Hans-Ulrich Funk

Gerhard Senft

Oskar Koch

Erich Dilk

Ingo Wöhrle

Werner Marks

Norbert Richter

Ralf Pelzer

Gerhard Schmaus

Horst Surburg

Rudolf Hopp

Wolfgang Kiel

Michael Krohn

Stephan Klein

Roland Langner

Dietmar Schatkowski

Johannes Panten

Roland Emberger

Stefan Lambrecht

Holger Zinke

Manfred Kopsel

Peter Werkhoff

Hans-Dieter Scharf

Marcus Betzer

Detlef Hagena

Thomas Thielmann

Alfred Korber

Gerhard Arnold Braun

Pierre Kurzenne

Manfred Meier

Aurelia Reckziegel

Edison Diaz

Burghard Wilkening

Christian Ewering

Peter Esser

Klaus Zahlmann

Lutz Walther

Matthias Gunter

Jörg Mampel

Alfred Körber

Hans-Juergen Topp

Torsten Stephan

Ingo WÖHRLE

Willi Wiedmann

Christoph Dittert

The invention relates to mixtures having: 

Derivatives of 1-(4-methylcyclohexyl)-ethanols

The invention relates to the use of n-hexadecyl n-nonanoate (CAS number 72934-15-7, hereafter cetyl nonanoate) and n-octadecyl n-nonanoate (CAS number 107647-13-2, hereafter stearyl nonanoate) and to the mixtures thereof (CAS number 878027-13-5) as fixatives for fragrance substances. The invention also relates to specific compositions comprising (A) cetyl nonanoate and/or stearyl nonanoate as well as (B) one or more fragrance substances. The invention also relates to a process for the preparation of such compositions as well as to (cosmetic) products comprising a composition according to the invention. The invention further relates to a process for imparting, intensifying or modifying an odor on (human) skin. A particular aspect of the present invention relates to the improvement in the adhesive strength of a composition according to the invention on (human) skin and/or (human) hair.

Compositions comprising fragrance substances and comprising cetyl nonanoate and/or stearyl nonanoate

The present invention relates to antimicrobially active &#x3c9;-cyclohexylalkan-1-oles of the following formula (I), to a method for producing said compounds and to the use thereof as antimicrobial agents for treating body odor, whereinRto Rindependently of one another denote hydrogen or a linear or branched alkyl radical having 1 to 12 carbon atoms,Rand Rindependently of one another denote hydrogen, a linear or branched alkyl radical having 1 to 6 carbon atoms or a linear or branched alkoxy radical having 1 to 4 carbon atoms, andx is 0 or 1,wherein preferably the total number of carbon atoms in Rto Ris 18 or less.

Omega-cyclohexylalkan-1-oles and use thereof as antimicrobial actives to combat body odor

The present invention concerns mixtures with cis-3,3,5-trimethylcyclohexyl esters and trans-3,3,5-trimethylcyclohexyl esters, the use of cis-3,3,5-trimethylcyclohexyl esters as fragrance substances and individual cis-3,3,5-trimethylcyclohexyl esters and their uses.

Cis-3,3,5-trimethylcyclohexyl esters

The invention relates to a method for producing cyclohexadecanone by hydrogenating cyclohexadecenone, to mixtures of aromatic substances, and to products containing the inventive cyclohexadecanone.

Method for producing cyclohexadecanone

Process for esterification of farnesol in an initial mixture comprising alpha-bisabolol, farnesol and optionally other components, with the following steps:

Process for removing farnesol from mixtures with alpha-bisabolol

The invention relates to a process for the preparation of cyclohexyloxyacetic alkyl esters by hydrogenation of phenoxyacetic alkyl esters and to the use of cyclohexyloxyacetic alkyl esters as fragrances.

Process for the preparation of cyclohexyloxyacetic alkyl esters

The present invention relates to a method for the preparation of anisalcohol (methoxybenzyl alcohol) by hydrogenation of anisaldehyde (methoxybenzaldehyde) in the presence of Raney nickel and a basic additive, the use of the anisalcohol and hygiene or care products containing anisalcohol.

Method for producing anis alcohol

Process for the preparation of 1-hydroperoxy-16-oxabicyclo[10.4.0]hexadecane (DDP-OOH), wherein 13-oxabicyclo[10.4.0]hexadec-1(12)-ene (DDP) and hydrogen peroxide are reacted in a diluent in the presence of a strong acid, the diluent has a pKa value of greater than or equal to 4.5 and the strong acid has a pKa value of less than or equal to 1.5, wherein after the reaction has taken place, the strong acid is neutralized with at least 0.9 molar equivalent of a base.

Process for the preparation of 1-hydroperoxy-16-oxabicyclo[10.4.0]hexadecane

The invention relates to a process for the preparation of 15-pentadecanolide by hydrogenating 15-pentadecenolide and to its use.

Process for the preparation of 15-pentadecanolide

The invention relates to a method of producing alkoxycinnamic acid ester (alkoxy cinnamate) by condensing C -C acetic acid esters with C -C alkoxybenzaldehyde in the presence of an alkaline and/or alkaline earth C -C alcohalate and removing the C -C alcohol that is produced by this reaction from the reaction mixture.

Method of producing alkoxycinnamic acid ester

The present invention relates to a method for stabilizing phenylacetaldehyde by adding at least one additive, in which case the additive contains one or more polybasic carboxylic acids.

Method for stabilizing phenylacetaldehyde

The present invention relates to a process for the synthesis of cinnamic esters and/or cinnamic acids by condensation of aldehydes with carboxylic anhydrides, using iron(II) salts as catalyst.

Process for the preparation of cinnamic esters

In a novel process for the synthesis of cinnamic esters or substituted cinnamic esters, carboxylic esters are reacted, by condensation, with benzaldehyde or substituted benzaldehydes, respectively, in the presence of a solid with basic properties.

Cinnamic esters

Mint lactone can be prepared by hydrogenating hydroxymenthofurolactone to give the intermediate dihydrohydroxymenthofurolactone with the subsequent elimination of water.

Process for preparing mint lactone

Growing community of inventors

Holzminden, Germany

Walter Kuhn