EP1966359A1 - Parfümkompositionen mit 3-(4-methyl-cyclohex-3-enyl)-butyraldehyd und 1,8-p-menthadien - Google Patents
Parfümkompositionen mit 3-(4-methyl-cyclohex-3-enyl)-butyraldehyd und 1,8-p-menthadienInfo
- Publication number
- EP1966359A1 EP1966359A1 EP06807522A EP06807522A EP1966359A1 EP 1966359 A1 EP1966359 A1 EP 1966359A1 EP 06807522 A EP06807522 A EP 06807522A EP 06807522 A EP06807522 A EP 06807522A EP 1966359 A1 EP1966359 A1 EP 1966359A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- parts
- butyraldehyde
- limonene
- enyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- 239000002304 perfume Substances 0.000 title claims abstract description 64
- VJYFMQREUJXCQV-UHFFFAOYSA-N Limonene aldehyde Chemical compound O=CCC(C)C1CCC(C)=CC1 VJYFMQREUJXCQV-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229940087305 limonene Drugs 0.000 claims abstract description 63
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- YZFPDESEFZSBIN-UHFFFAOYSA-N 3-(4-methylcyclohexyl)butanal Chemical compound O=CCC(C)C1CCC(C)CC1 YZFPDESEFZSBIN-UHFFFAOYSA-N 0.000 claims description 2
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- 238000009472 formulation Methods 0.000 description 9
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
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- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 2
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- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
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- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 2
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- 229910052708 sodium Inorganic materials 0.000 description 2
- XMGQYMWWDOXHJM-SNVBAGLBSA-N (-)-α-limonene Chemical compound CC(=C)[C@H]1CCC(C)=CC1 XMGQYMWWDOXHJM-SNVBAGLBSA-N 0.000 description 1
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- MQBIZQLCHSZBOI-UHFFFAOYSA-N 4-(4-Methyl-3-pentenyl)-3-cyclohexene-1-carboxaldehyde Chemical compound CC(C)=CCCC1=CCC(C=O)CC1 MQBIZQLCHSZBOI-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0026—Essential oils; Perfumes compounds containing an alicyclic ring not condensed with another ring
- C11B9/0034—Essential oils; Perfumes compounds containing an alicyclic ring not condensed with another ring the ring containing six carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
Definitions
- the present invention relates to perfume compositions comprising or consisting of 3- (4-methylcyclohex-3-enyl) butyraldehyde (limonenal) and 1,8-p-menthadiene (limonene).
- Another aspect relates to products comprising a perfume composition according to the invention, which are preferably surfactant-containing products.
- Further aspects of the present invention relate to a method for enhancing the citrical head note and the naturalness of the odor of 1,8-pentamethylenes (limonene), the use of 3- (4-methylcyclohex-3-enyl) butyraldehyde (Limonenal ) as a means of enhancing the citrus top note and the naturalness of the odor of 1, 8-p-menthadiene (limonene) and the use of the perfume compositions (blends) of the invention as a fragrance blend to mimic the olfactory complex impression of a natural citrus essential oil.
- 3- (4-methyl-cyclohex-3-enyl) butyraldehyde (limonenal) is already known from the prior art:
- No. 2,710,825 describes the preparation of inter alia 3- (4-methylcyclohex-3-enyl) butyraldehyde from limonene.
- the odor of 3- (4-methylcyclohex-3-enyl) -butyraldehyde is described as being stronger and longer adherent than that of citral and stated that the butyraldehyde (limonenal) adds an additional green or fresh note.
- certain diluents for perfumes are specified in US Pat. No. 2,710,825, mention being made inter alia of lime.
- a mixture of 3- (4-methylcyclohex-3-enyl) butyraldehyde (limonenal) with limonene is not explicitly disclosed.
- EP 011 272 A3 describes the preparation of aldehydes by hydroformylation of olefins. Among others, the preparation of 3- (4-methylcyclohex-3-enyl) butyraldehyde by hydroformylation of limonene is described. The odor of 3- (4-methylcyclohex-3-enyl) -butyraldehyde is reported as citrus and rhubarb note. It should also be mentioned that, apart from fine perfumery, this compound can also be used, for example, for perfuming soaps, cleaning and laundry detergents or softeners.
- Limonene is found in the form of the (+) isomer (d-limonene) in a concentration of over 90% in citrus peel oil and is a liquid with a lemone, citrus and orange-like odor. However, limonene does not give the olfactory complex impression of a natural essential oil, as it is preferred in the perfume industry.
- this object is achieved according to a first aspect by a perfume composition
- a perfume composition comprising or consisting of 1 to 25 parts by weight of 3- (4-methylcyclohex-3-enyl) butyraldehyde (limonenal) and 99 to 75 parts by weight of 1, 8-p-menthadiene (Limonene), wherein the sum of the parts by weight of 3- (4-methyl-cyclohex-3-enyl) -butyraldehyde and 1, 8-p-pentadiene is 100.
- perfume composition is to be understood as meaning that reaction mixtures or product mixtures are not included, as they are or arise in the production of limonene from limonene, in particular a perfume composition according to the invention is therefore not a reaction mixture or product mixture as described in the above-mentioned documents
- a perfume composition according to the invention is thus preferably free of hydroformylation catalysts, in particular free of rhodium (compounds), cobalt, nickel and thorium oxide
- Limonenal and limonene can each be present as pure enantiomers or as mixtures of these enantiomers
- limonene can be used as (R) - (+) - limonene, as (S) - (-) limonene or ( ⁇ ) -Limones (dipentene), particularly preferred is the (+) - isomer (d-limonene, see Examples 4 and 5).
- the perfume composition according to the invention is preferably a composition comprising or consisting of 3 to 15 parts by weight of 3- (4-methylcyclohex-3-enyl) butyraldehyde (limonenal) and 97 to 85 parts by weight of 1, 8-p-menthadiene ( limonene).
- Preferred perfume compositions according to the invention comprise, in addition to limonene and limonenal (in the stated amounts), 100 or more parts by weight of one or more other fragrances and / or a fixative. Preferred perfume compositions thus preferably comprise, in addition to limonenal and lipids, an equal or higher proportion by weight of one or more other fragrances.
- a fixative increases the adhesive strength of fragrances, either by lowering their vapor pressure or by odor-enhancing the (other) fragrances (e.g., lowering the threshold).
- a perfume composition according to the invention does not comprise 3- (4-methyl-cyclohexyl) -butyraldehyde, as is usually formed in the production of limonenal from limonene as a by-product.
- Perfume compositions according to the invention can be incorporated into a number of products or applied to such products.
- the invention therefore also relates to products comprising a perfume composition according to the invention.
- the perfume composition according to the invention is suitable for use in surfactant-containing products.
- perfume formulations of surfactant-containing formulations such as, for example, detergents (in particular dishwashing detergents and all-purpose cleaners) are frequently searched for perfume mixtures with a citrus head note and pronounced naturalness.
- the surfactant-containing products are intended for the treatment of hair or textile fibers
- another important application requirement is substantivity to or retention on the substrate, in particular hair or textile fibers.
- the significance of the substantivity and the retention is explained in detail eg in EP 1 201 738 A1, cf. there the sections [0004] - [0005]. Therefore, fragrances with high substantivity and / or retention are generally sought.
- the perfume compositions according to the invention are particularly well suited for use in surfactant-containing products which meet the abovementioned requirements.
- the (preferably tenside) product is one of the following:
- an acidic, alkaline or neutral cleaning agent selected in particular from the group consisting of all-purpose cleaners, floor cleaners, window glass cleaners, dishwashing detergents, bath and sanitary cleaners, scouring cream, solid and liquid toilet cleaners, powder and foam carpet cleaners, liquid detergents, powdered detergents
- Laundry pretreatment agents such as bleaches, soak and stain removers, fabric softeners, laundry soaps, laundry tablets, disinfectants, surface disinfectants, an air freshener in liquid, gel or solid support form, or as an aerosol spray, wax or polish selected, in particular, from the group from furniture polishes, floor waxes and shoe creams, or a personal care product selected especially from the group consisting of shower gels and shampoos.
- the present invention also relates to a method for enhancing the citrical top note and the naturalness of the odor of 1,8-pentamethylenes (limonene), comprising the following steps:
- 1, 8-p-pentadiene (limonene), wherein the sum of parts by weight of 3- (4-methyl-cyclohex-3-enyl) - butyraldehyde and 1, 8-p-pentadiene 100 is.
- the present invention relates to the use of 3- (4-methylcyclohex-3-enyl) butyraldehyde (limonenal) as a means of enhancing the citrical top note and the naturalness of the odor of 1,8-pentamethylenes ( limonene).
- a mixture according to the invention comprising or consisting of 1 to 25 parts by weight of 3- (4-methylcyclohex-3-enyl) butyraldehyde (limonenal) and 99 to 75 parts by weight of 1, 8-p-menthadiene (limonene), preferably 3 to 15 parts by weight 3- (4-methyl-cyclohex-3-enyl) -butyraldehyde (limonenal) and
- 1, 8-p-pentadiene (limonene)
- limonene 1, 8-p-pentadiene
- the invention also relates to the use of a mixture comprising or consisting of
- a corresponding method according to the invention for providing (a) hair or (b) textile fibers with the complex olfactory impression of a natural essential citrus oil comprises the following steps:
- a particularly suitable mixture for the uses according to the invention or the corresponding processes is a solution which comprises: (a) water,
- 1, 8-p-pentadiene preferably 3 to 15 parts by weight of 3- (4-methyl-cyclohex-3-enyl) -butyraldehyde (limonenal) and 97 to 85 parts by weight of 1, 8-p-pentadiene (Limes), as well
- the perfume composition of the present invention can be used in a variety of products.
- the pH of an aqueous formulation containing the perfume composition of the present invention is not critical since both limonene and limonenal are stable in weakly acidic as well as basic media. It has been found, however, that in particular limonenal has a particularly pronounced blooming in applications / formulations with a basic pH, and preferably the pH in aqueous, preferably surfactant-containing products according to the invention is then in the range from pH 8 to 11.
- fragrances with which the 3- (4-methylcyclohex-3-enyl) butyraldehyde can be advantageously combined can be found, for example, in S. Arctan, Perfume and Flavor Materials, Vol. I and II, Montclair, NJ, 1969, self-published or K. Bauer, D. Garbe and H. Surburg, Common Fragrance and Flavor Materials, 4 rd . Ed., Wiley-VCH, Weinheim 2001.
- the amount of 3- (4-methylcyclohex-3-enyl) -butyraldehyde used is preferably from 0.1 to 10% by weight, preferably from 0.5 to 5% by weight, based on the total perfume composition ,
- the perfume compositions according to the invention based on limonene and limonene-containing perfume oils can be used in concentrated form, in solutions or in the modified forms described below, for example for the perfuming of acidic, alkaline and neutral detergents, such as powder and foam carpet cleaners, liquid detergents, powder detergents, laundry pre-treatment agents such as bleaches, soaking and stain removers, laundry conditioners, laundry soaps, washing tablets, and personal care products such as solid and liquid soaps, shower gels, shampoos, oil-in-water, water-in-oil and water-in-oil-in-water type hair care products such as hairsprays, hair gels, hair lotions, hair conditioners, permanent ones and semipermanent hair dyes, hair styling agents such as cold whiskers and hair straighteners, hair lotions, hair creams and lotions.
- acidic, alkaline and neutral detergents such as powder and foam carpet cleaners, liquid detergents, powder detergents, laundry pre-treatment agents such as bleaches,
- the perfume compositions containing perfume compositions according to the invention can be used in liquid form, undiluted or diluted with a solvent for perfuming.
- Suitable solvents for this are e.g. Ethanol, isopropanol, diethylene glycol monoethyl ether, glycerol, propylene glycol, 1,2-butylene glycol, dipropylene glycol, diethyl phthalate, triethyl citrate, isopropyl myristate, etc.
- the perfume compositions containing perfume compositions of the invention may be adsorbed to a carrier which provides both a fine distribution of the perfumes in the product and a controlled release in use.
- a carrier which provides both a fine distribution of the perfumes in the product and a controlled release in use.
- Such carriers may be porous inorganic materials such as light sulfate, silica gels, zeolites, gypsum, clays, clay granules, aerated concrete, etc., or organic materials such as woods and cellulosic based materials.
- perfume compositions containing perfume compositions according to the invention may also be microencapsulated, spray-dried, present as inclusion complexes or as extrusion products and added in this form to the product to be perfumed.
- the properties of the perfume oils modified in this way can be further optimized by so-called "coating" with suitable materials with a view to a more targeted release of fragrance, to which end preferably wax-like plastics such as polyvinyl alcohol are used.
- the microencapsulation of the perfume oils can be carried out, for example, by the so-called coacervation method with the aid of capsule materials, for example of polyurethane-like substances or soft gelatin.
- the spray-dried perfume oils can be prepared, for example, by spray-drying an emulsion or dispersion containing the perfume oil, it being possible to use as excipients modified starches, proteins, dextrins and vegetable gums.
- Inclusion complexes may be prepared, for example, by incorporating dispersions of the perfume oil and cyclodextrins or urea derivatives into a suitable solvent, eg, water.
- a suitable solvent eg, water.
- Extrusion products can be made by fusing the perfume oils with a suitable waxy substance and by extrusion with subsequent solidification, if appropriate in a suitable solvent, for example isopropanol.
- Preferred products which can be used in the context of the present invention are (a) perfume oil mixtures for surfactant-containing formulations, such as e.g. Detergents, detergents, fabric softeners and personal care products and (b) the corresponding surfactant-containing formulations themselves.
- the surfactant-containing formulations that can be used in the present invention generally include anionic surfactant class substances such as carboxylates, sulfates, sulfonates and phosphates, cationic surfactants such as quaternary ammonium salts, amphoteric surfactants such as for example, betaines and nonionic surfactants such as ethoxylates and propoxylates.
- anionic surfactant class substances such as carboxylates, sulfates, sulfonates and phosphates
- cationic surfactants such as quaternary ammonium salts
- amphoteric surfactants such as for example, betaines
- nonionic surfactants such as ethoxylates and propoxylates.
- the sulfates and sulfonates are preferred.
- those having 12 to 18 carbon atoms and a degree of ethoxylation of 1 to a maximum of 5 are preferred.
- the sulfonates are, in particular, the linear sodium alkylbenzenesulfonates having an average of about 12 carbon atoms in the alkyl chain, wherein these consist of homologous radicals having 10 to 14 carbon atoms ("Dodecylbenzolsulfonat”), preferably.
- the ethoxylated fatty alcohols obtained by ethoxylation of alcohols having 12 to 18 carbon atoms are preferred.
- the degree of ethoxylation can vary within wide limits, but particularly preferred are products having an average degree of ethoxylation of 5 to 10, in particular 7 moles of added ethylene oxide per mole of fatty alcohol.
- betaines those of the acid amide type having the listed structure are particularly preferred.
- a corresponding surfactant-containing product according to the invention preferably comprises, in addition to limonenal and limonene (in the weight ratios according to the invention) one or more surfactants which are selected from the group consisting of:
- Linear alkylbenzenesulfonates (especially the ones mentioned above, such as the linear sodium alkylbenzenesulfonates), Fatty alcohol ethoxylates having 12-18 C atoms (in particular those mentioned above, that is, for example, those having the degree of ethoxylation identified above as preferred),
- Lauryl ether sulfates especially those mentioned above, e.g., the above sodium lauryl ether sulfate.
- Betaines (in particular those mentioned above, that is, for example, amide-amide-type betaines having the structure listed above).
- Linear alkylbenzenesulfonates and fatty alcohol ethoxylates having 12 to 18 carbon atoms are preferably used side by side, in particular in all-purpose laundry powders.
- lauryl ether sulfates in particular the abovementioned sodium lauryl ether sulfate
- betaines in particular betaines of the acid amide type having the structure listed above
- concentration of surface-active substances in the surfactant-containing products according to the invention is generally not critical. Preferred concentrations depend on the type of surfactant and the particular application. For example, they may be less than 1% by weight in particular bleaching products, but may be greater than 99% by weight in soaps or washing powders.
- surfactant-containing products For certain fields of application certain combinations and concentrations are preferred in surfactant-containing products according to the invention.
- mixtures according to the invention in which the proportion of linear alkylbenzenesulfonates in the range from 7 to 10% by weight and / or the proportion of fatty alcohol ethoxylates with 12 to 18 C atoms in the range from 3 to 6% by weight are preferred. is, in each case based on the total mass of the mixture.
- mixtures according to the invention are preferred in which the proportion of Sodium lauryl ether sulfate in the range of 7 to 13 wt .-% and / or the proportion of betaine (in particular betaine acid amide type having the structure listed above) in the range of 1 to 3 wt .-%, each based on the total mass of the mixture.
- the surfactant-containing products containing 3- (4-methylcyclohex-3-enyl) butyraldehyde exhibit a surprisingly increased substantivity or retention compared to hair, wool, cotton and other textile fibers.
- a perfume composition according to the invention consisting of limonenal and limonene in a weight ratio of 10:90 or with the substance 4- (4-methyl-5-pentene-1-yl) used as a comparison -S-cyclohexencarboxaldehyde in the usual concentration scented.
- a 7-point scale was used, in which from 0 (without smell) to 6 (very strong smell) is evaluated.
- the determination of the property "stability" was based on the remaining amount (in%) of the fragrances to be examined after a storage time of 1 (1 M) or 2 months (2M) at a constant temperature of 40 ° C in the respective ready-to-use formulations ( ie after incorporation of the respective perfume in the relevant basic mass) of the following examples.
- the substance to be evaluated was used as a 50% strength by weight solution in diethyl phthalate; the solution was incorporated in a dosage of 0.6% by weight in a shampoo base of the following composition:
- Cocamidopropyl betaine 2% (eg Dehyton K, Cognis Germany GmbH)
- Citric acid 1 3%
- the pH of the shampoo base was about 6. From this, 100 ml of a 20% by weight aqueous shampoo solution (as an example of a solution according to the invention) were prepared. In this shampoo solution, 2 hair slides are washed together for 2 minutes and then rinsed for 20 seconds under flowing lukewarm water. A strand of hair is wet wrapped in aluminum foil and dried the second strand of hair with a hair dryer. Both strands of hair are judged by a panel odor.
- the substance to be evaluated is used as a 50% strength by weight solution in diethyl phthalate; the solution is incorporated in a dosage of 0.5% by weight into a fabric softener base of the following composition:
- the pH of the fabric softener base was in the range 2 - 3.
- Two pieces of fabric are mixed with 370 g of a 1% strength aqueous softener solution prepared from the base (as an example of a solution according to the invention) in a rinse test machine Rinsed for 30 minutes at 20 ° C.
- the cloths are wrung out and then thrown for 20 seconds.
- a cloth is wet-sealed and one is hung up to dry. Subsequently, both flaps are assessed by a panel odor.
- the substance to be evaluated is used as a 50% strength by weight solution in diethyl phthalate; the solution is incorporated in a dosage of 0.4 wt .-% in a detergent base powder of the following recipe:
- DPG dipropylene glycol
- IPM isopropyl myristate
- Perfume oil especially suitable for incorporation in a hand dishwashing detergent
- Perfume oil especially suitable for incorporation in an all-purpose cleaner:
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005061073.0A DE102005061073B4 (de) | 2005-12-21 | 2005-12-21 | Parfümkomposition mit 3-(4-Methyl-cyclohex-3-enyl)-butyraldehyd und 1,8-p-Menthadien |
| PCT/EP2006/067739 WO2007073953A1 (de) | 2005-12-21 | 2006-10-25 | Parfümkompositionen mit 3-(4-methyl-cyclohex-3-enyl)-butyraldehyd und 1,8-p-menthadien |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1966359A1 true EP1966359A1 (de) | 2008-09-10 |
Family
ID=37649364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06807522A Withdrawn EP1966359A1 (de) | 2005-12-21 | 2006-10-25 | Parfümkompositionen mit 3-(4-methyl-cyclohex-3-enyl)-butyraldehyd und 1,8-p-menthadien |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1966359A1 (de) |
| DE (1) | DE102005061073B4 (de) |
| WO (1) | WO2007073953A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2017001220A (es) | 2014-07-30 | 2017-10-02 | Georgia Pacific Consumer Products Lp | Dispensadores de ambientador, cartuchos para los mismos, sistemas y metodos. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2584539A (en) * | 1946-07-20 | 1952-02-05 | Fmc Corp | Reaction of limonene with carbon monoxide and hydrogen |
| DE2849742B2 (de) * | 1978-11-16 | 1980-10-16 | Henkel Kgaa, 4000 Duesseldorf | Verfahren zur Herstellung von Aldehyden und Verwendung der Verfahrensprodukte als Riechstoffe |
| DE19820657A1 (de) * | 1998-05-08 | 1999-11-11 | Henkel Kgaa | Riechstoff-Zusammensetzungen |
| DE10205835B4 (de) * | 2002-02-13 | 2004-11-11 | Celanese Chemicals Europe Gmbh | Verfahren zur Herstellung von Terpinolenaldehyd |
-
2005
- 2005-12-21 DE DE102005061073.0A patent/DE102005061073B4/de not_active Expired - Lifetime
-
2006
- 2006-10-25 EP EP06807522A patent/EP1966359A1/de not_active Withdrawn
- 2006-10-25 WO PCT/EP2006/067739 patent/WO2007073953A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007073953A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005061073B4 (de) | 2020-10-22 |
| WO2007073953A1 (de) | 2007-07-05 |
| DE102005061073A1 (de) | 2007-06-28 |
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