Naarden International N.v.

N.v. Chemische Fabriek 'Naarden'

Harmannus Boelens

Petrus C Traas

Hendrik J Wobben

Antonius J Van Der Weerdt

Harrie Renes

Hans J Wille

Roeland Plomp

Hendrik J Takken

Roelof Ter Heide

Jan Theodor Maessen

Leendert Maarten Van Der Linde

Theodorus G Hesp

Use of one or more alkyl substituted benzyl cyanides having the formula ##STR1## in which R.sub.1 and R.sub.2 each may represent a hydrogen atom or a methyl group and R.sub.3 represents a branched alkyl group having at most 6 carbon atoms as a perfume component in perfume compositions and in imparting perfume notes to articles for example soaps, cleaning preparations and cosmetic compositions.

Perfume compositions as well as perfumed articles and materials

Use of one or more esters of methyl substituted bicyclo [2.2.1]heptane- and heptene-carboxylic esters with formula 1a and 1b, in which the dotted line is a single or double bond, R.sub.1 represents a hydrogen atom or methyl group and R.sub.2 represents an alkyl or alkenyl group having 1-4 carbon atoms as a perfume component in perfume compositions and in imparting perfume notes to articles, for example, soaps, cleaning preparations, cosmetic preparations.

Perfume compositions and perfumed articles containing esters of

Novel acyl-polyalkyl indan compounds and the use thereof as a base for perfume, as well as perfume compositions, perfumed materials and perfumed articles.

Novel acyl-polyalkylindan compounds and the use thereof as a base for

An acidic and somewhat resinous odor note tending to cistus and olibanium is imparted to a perfume composition or product containing the same by adding the 3,3-dimethylbicyclo-(2,2,1)-heptane-2-carboxylic acid compound thereto.

Perfume compositions containing

The invention relates to a method for the preparation of both known and novel fragrances and flavors, and in particular to the preparation and use of the novel fragrance compound, 2,6-nonadiene nitrile, and to a novel method for the preparation of 4-heptynal as the starting product for the preparation of the 2,6-nonadiene nitrile fragrance compound.

Method for the preparation of fragrances, and method for the preparation

Perfume compositions, perfumed materials and articles and a process for preparing perfume compositions, perfumed materials and articles which includes the steps of adding perfume components usual for this purpose and additionally at least one compound reminiscent of castoreum which is selected from o-hydroxybenzyl ethyl ether, 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane and mixtures thereof. Reminiscent of castoreum is 8-allyl-8-hydroxytricyclo (5,2,1,0.sup.2,6) decane.

Perfume compositions containing 8 allyl-8-hydroxytricyclo [5,21,0.sup.2.6 ]

8-Allyl-8-hydroxytricyclo[5,2,1,0.sup.2,6 ] decane.

8-Allyl-8-hydroxytricyclo-[5,2,1,0.sup.2,6 ] decane

Perfume compositions are provided which are based upon certain cycloalkylidenebutanals. The perfume compositions comprising the subject cycloalkylidenebutanals.

Perfume compositions

Perfume compositions, perfumed materials and articles and a process for preparing perfume compositions, perfumed materials and articles which includes the steps of adding perfume components usual for this purpose and additionally at least one compound reminiscent of castoreum which is selected from 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane and mixtures of o-hydroxybenzyl ethyl ether and 8-allyl-8-hydroxytricyclo (5,2,1,0.sup.2,6). Reminiscent of castoreum is 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane.

Preparing perfumed compositions containing

A process for the production of perfume compositions, perfumed materials or perfumed articles which includes admixing perfume components usual for this purpose and 4-methoxy benzonitrile and the compositions per se.

Preparation of 4-methoxybenzonitrile perfume compositions

A perfumed material containing methyl-N-(2-methylpentylidene) anthranilate prepared by incorporating methyl-N-(2-methylpentylidene) anthranilate into mixtures usual for such purpose to impart a citrus like note thereto.

Growing community of inventors

Huizen, Netherlands

Harmannus Boelens