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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Naf; Ferdinand
Address:
Geneva, CH
No. of patents:
14
Patents:












Patent Number Title Of Patent Date Issued
4392993 Alicyclic unsaturated compounds, their preparation and use of same as perfume ingredients July 12, 1983
New alicyclic unsaturated compounds useful as perfume ingredients and perfume compositions containing same. The new compounds have formula ##STR1## possessing a methyl group attached to the carbon atom at position 3 or 4 of the ring and one double bond in one of the positions of the
4304793 Polyunsaturated aliphatic esters as flavoring ingredients December 8, 1981
Polyunsaturated aliphatic esters of new chemical structure find utility as flavor modifying agents. Flavoring compositions containing same and process for their preparation.
4266075 Bicyclic aldehyde derivatives, their use as perfuming and flavoring ingredients and process for May 5, 1981
Bicyclic aldehyde derivatives of formula ##STR1## containing a single or a double bond in the position indicated by the dotted lines and wherein symbol R.sup.1 represents a hydrogen atom or a methyl radical and R.sup.2 defines a linear or branched alkyl radical containing 1 to 6
4226744 5,9-Dimethyl-deca-4,9-dien-1-al perfume compositions October 7, 1980
A novel poly-unsaturated aliphatic aldehyde, viz. 5,9-dimethyl-deca-4,9-dien-1-al, is found to be useful as odor-modifying ingredient. The new aldehyde is particularly useful in the preparation of perfumes and perfumed products.
4218347 Bicyclic aldehyde perfuming and flavoring ingredients August 19, 1980
Bicyclic aldehyde derivatives of formula ##STR1## containing a single or a double bond in the position indicated by the dotted lines and wherein symbol R.sup.1 represents a hydrogen atom or a methyl radical and R.sup.2 defines a linear or branched alkyl radical containing 1 to 6
4192781 Perfumed articles containing cis-oct-6-en-1-al March 11, 1980
cis-Oct-6-en-1-al is a novel unsaturated aldehyde which possesses useful perfuming and flavoring properties. Use of said aldehyde as perfume and flavor ingredient.
4176139 Process for preparing unsaturated spiranic derivatives November 27, 1979
Process for preparing unsaturated spiranic derivatives of formula ##STR1## wherein index n represents integer 1 or 2 and wherein symbol R defines a lower alkyl radical, starting from the corresponding cycloalkanone via an addition thereto of a dihalo-alkene of formula ##STR2##
4132675 CIS-Oct-6-en-1-al perfumes January 2, 1979
CIS-Oct-6-en-1-al is a novel unsaturated aldehyde which possesses useful perfuming and flavoring properties. Use of said aldehyde as perfume and flavor ingredient.
4054606 Process for the preparation of ketone derivatives October 18, 1977
Process for the preparation of .alpha.-substituted cyclic ketones which comprises reacting a magnesium enolate with an aldehyde. The products obtained in accordance with the process of the invention are useful intermediates for the preparation of perfume and flavor ingredients, as we
4014951 Process for the preparation of poly-unsaturated hydrocarbons March 29, 1977
Process for the preparation of poly-unsaturated hydrocarbons, in particular undeca-1,3,5-triene, which comprises reacting a quaternary phosphonium salt with hexanal.The product obtained in accordance with the process of the invention is a useful perfuming ingredient.
4011269 Process for the preparation of sesquiterpenic derivatives March 8, 1977
Process for the preparation of tricyclic sesquiterpenes which comprises reacting a cyclohexadienic carbinol with a strongly basic agent. The products obtained in accordance with the process of the invention are useful ingredients in the perfumery. Some of the said products are new.
3960977 Process for the preparation of poly-unsaturated hydrocarbons June 1, 1976
Process for the preparation of poly-unsaturated hydrocarbons, in particular undeca-1,3,5-triene, which comprises reacting a quaternary phosphonium salt with hexanal.The product obtained in accordance with the process of the invention is a useful perfuming ingredient.
3953377 Ethyl-2-trans-4-cis undecadienoate, ethyl-2-trans-4-cis dodecadienoate and ethyl-2-decadienoate April 27, 1976
Process for the preparation of .gamma.,.delta.-unsaturated carbonyl derivatives. Among the compounds prepared by the process of the present invention some are new and many possess interesting organoleptic properties.
3946078 Cycloaliphatic unsaturated ketones as odour- and taste-modifying agents March 23, 1976
Process for the preparation of unsaturated cycloaliphatic ketones useful as perfuming and odour-modifying agents in the manufacture of perfumes and perfumed products, and as flavouring and taste-modifying agents in the aromatization of foodstuffs in general and imitation flavours for










 
 
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