FR2794994A1 - Hygroscopic composition that releases perfume, useful as domestic dehumidifier and air freshener, comprises drying agent and microcapsules containing perfume - Google Patents

Hygroscopic composition that releases perfume, useful as domestic dehumidifier and air freshener, comprises drying agent and microcapsules containing perfume Download PDF

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Publication number
FR2794994A1
FR2794994A1 FR9907662A FR9907662A FR2794994A1 FR 2794994 A1 FR2794994 A1 FR 2794994A1 FR 9907662 A FR9907662 A FR 9907662A FR 9907662 A FR9907662 A FR 9907662A FR 2794994 A1 FR2794994 A1 FR 2794994A1
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sep
microcapsules
perfume
composition according
weight
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FR9907662A
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FR2794994B1 (en
Inventor
Jacques Berger
Aurelle Sophie D
Florence Koltchakian
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Henkel France SAS
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Henkel France SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/012—Deodorant compositions characterised by being in a special form, e.g. gels, emulsions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/28—Selection of materials for use as drying agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/046—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing halogens, e.g. halides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/46—Materials comprising a mixture of inorganic and organic materials

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Fats And Perfumes (AREA)

Abstract

Hygroscopic perfuming composition (A) is a mixture of a drying agent, especially calcium chloride and perfume-containing microcapsules.

Description

La présente invention concerne le domaine de l'assainissement de l'air. Plus précisemment, l'invention concerne une composition déshydratante contenant un parfum et éventuellement un colorant. The present invention relates to the field of air purification. More specifically, the invention relates to a desiccant composition containing a perfume and optionally a dye.

Le parfumage de produits domestiques revêt un caractère important dans la mesure où les consommateurs recherchent de plus en plus une sensation de bien-être avec les produits qu'ils utilisent dans la vie de tous les jours. En particulier, il est souhaitable de pouvoir disposer de produits permettant d'absorber l'humidité dans les pièces d'une habitation telle qu'une maison, une caravane, un bateau, ainsi que par exemple dans les placards et armoires de linge. The perfuming of household products is important because consumers are increasingly seeking a sense of well-being with the products they use in everyday life. In particular, it is desirable to be able to have products for absorbing moisture in the rooms of a home such as a house, a caravan, a boat, and for example in cupboards and cabinets of linen.

L'invention concerne une composition absorbant l'humidité et libérant du parfum, qui peut être disposée avantageusement dans les pièces d'une maison pour ses propriétés asséchantes. The invention relates to a moisture-absorbing and scent-releasing composition which can be advantageously disposed in rooms of a house for its drying properties.

Ainsi, selon un premier aspect, l'invention concerne une composition parfumante absorbant l'humidité, qui est à base d'un mélange comprenant un agent désséchant, de préférence le chlorure de calcium, et un parfum microencapsulé. Thus, according to a first aspect, the invention relates to a moisture absorbing perfuming composition, which is based on a mixture comprising a desiccant, preferably calcium chloride, and a microencapsulated perfume.

Outre le chlorure de calcium, qui est particulièrement avantageux dans le cadre de l'invention, on peut citer à titre d'agent désséchant, le silicagel, le sulfate de sodium ou bien encore le carbonate de sodium. In addition to calcium chloride, which is particularly advantageous in the context of the invention, mention may be made, as desiccant, of silica gel, sodium sulphate or even sodium carbonate.

La composition selon l'invention comprend également des microcapsules contenant du parfum. Ces microcapsules peuvent être préparées par des méthodes connues de l'homme du métier. A cet effet, on pourra se reporter notamment à la méthode décrite dans la demande de brevet européen EP-A-0 279 328, dont l'enseignement est incorporé ici par référence. The composition according to the invention also comprises microcapsules containing perfume. These microcapsules can be prepared by methods known to those skilled in the art. For this purpose, reference may be made in particular to the method described in European Patent Application EP-A-0 279 328, the teaching of which is incorporated herein by reference.

Selon cette demande, les microcapsules sont obtenues par la technique de séchage par atomisation ("spray-drying") en utilisant un agent filmogène qui forme une coquille de protection dense autour de chaque goutelette de parfum. Les agents filmogènes appropriés à l'obtention de telles microcapsules comprennent par exemple l'acétate de vinyle, l'alcool polyvinylique, les dextrines naturelles ou modifiées, l'amidon naturel ou modifié, les gommes végétales, les alginates, les carrhagénanes, les pectines, les xanthanes, ou bien encore la cellulose et ses dérivés tels que notamment la carboxyméthylcellulose, la méthylcellulose ou l'hydroxyméthylcellulose, ou un mélange de ces composés. According to this application, the microcapsules are obtained by the spray-drying technique using a film-forming agent which forms a dense protective shell around each droplet of perfume. Suitable film-forming agents for obtaining such microcapsules include, for example, vinyl acetate, polyvinyl alcohol, natural or modified dextrins, natural or modified starch, vegetable gums, alginates, carrageenans, pectins , xanthans, or even cellulose and its derivatives such as in particular carboxymethylcellulose, methylcellulose or hydroxymethylcellulose, or a mixture of these compounds.

Les microcapsules parfumantes selon l'invention ont généralement une granulométrie comprise entre environ 10 et environ 300 gym, et ont avantageusement une concentration en parfum concentré comprise entre environ 25 et environ 33% en poids. De telles microcapsules sont en particulier commercialisées par la société suisse FIRMENICH sous le nom de marque FIRCAPS . The perfume microcapsules according to the invention generally have a particle size of between about 10 and about 300 grams, and advantageously have a concentrated perfume concentration of between about 25 and about 33% by weight. Such microcapsules are in particular marketed by the Swiss firm FIRMENICH under the brand name FIRCAPS.

Généralement, la composition selon l'invention comprend de environ 0,5 à environ 5 parties en poids, de préférence de environ 1 à environ 2,5 parties en poids, et de manière particulièrement préférée environ 1,5 parties en poids, de microcapsules pour 100 parties en poids d'agent désséchant. Generally, the composition according to the invention comprises from about 0.5 to about 5 parts by weight, preferably from about 1 to about 2.5 parts by weight, and particularly preferably about 1.5 parts by weight, of microcapsules. per 100 parts by weight of desiccant.

La composition selon l'invention est obtenue de manière conventionelle, et selon des techniques bien connues de l'homme du métier, par mélange de ses ingrédients. The composition according to the invention is obtained in a conventional manner, and according to techniques well known to those skilled in the art, by mixing its ingredients.

En utilisation, l'absorption de l'humidité par l'agent désséchant et l'hydratation conséquente de celui-ci libère le parfum microencapsulé. La composition selon l'invention permet donc d'assécher les pièces, placards ou armoires d'une maison tout en apportant une odeur parfumée agréable. In use, the absorption of moisture by the desiccant and the consequent hydration thereof releases the microencapsulated fragrance. The composition according to the invention therefore allows to dry rooms, cupboards or cabinets of a house while providing a pleasant fragrant smell.

Selon une variante de l'invention, il est possible d'ajouter un colorant à la composition décrite ci-dessus. Ce colorant est avantageusement un colorant organique. A titre d'exemples de colorants organiques utilisables dans le cadre de l'invention, on peut citer les colorants de type anthraquinone (comme l'alizarine), aniline, azo, azôique, stilbène ou bien encore sulfure. According to one variant of the invention, it is possible to add a dye to the composition described above. This dye is advantageously an organic dye. As examples of organic dyes that can be used in the context of the invention, mention may be made of dyes of the anthraquinone type (such as alizarin), aniline, azo, azo, stilbene or even sulphide type.

Le colorant organique peut être mélangé directement avec l'agent desséchant et les microcapsules, à raison de environ 0,00005 à environ 0,05 partie en poids, de préférence de environ 0,0001à environ 0,025 partie en poids, pour 100 parties en poids d'agent desséchant. The organic dye may be mixed directly with the desiccant and the microcapsules, at a rate of from about 0.00005 to about 0.05 parts by weight, preferably from about 0.0001 to about 0.025 parts by weight, per 100 parts by weight desiccant.

Alternativement, le colorant organique peut être incorporé dans les microcapsules, et il représente dans ce cas environ 0,01à environ 1 %, de préférence environ 0,02 à environ 0,5 % du poids des microcapsules. Lesdites microcapsules, parfumées et colorées, sont ensuite mélangées avec l'agent desséchant comme indiqué ci-dessus. Alternatively, the organic dye may be incorporated in the microcapsules, and in this case is about 0.01 to about 1%, preferably about 0.02 to about 0.5% by weight of the microcapsules. Said microcapsules, perfumed and colored, are then mixed with the desiccant as indicated above.

La composition selon la présente invention - assainit l'air des pièces - stabilise le degré hydrométrique de l'air, c'est-à-dire le taux d'humidité de l'air - évite les taches et odeurs de moisi - évite le décollement du papier peint, le cloquage de la peinture, la rouille sur les objets métalliques - évite le développement des acariens et des bactéries - se transforme progressivement en saumure liquide colorée dans le cas d'une composition avec colorant - parfume agréablement et durablement l'intérieur des habitations. Le tableau ci-après rassemble des exemples de compositions selon l'invention, donnés à titre purement illustratif.

Figure img00040000
The composition according to the present invention - sanitizes the air of the rooms - stabilizes the hydrometric degree of the air, that is to say the moisture content of the air - avoids the musty stains and odors - avoids the peeling of wallpaper, blistering of paint, rust on metallic objects - avoids the development of dust mites and bacteria - gradually turns into colored liquid brine in the case of a composition with dye - pleasantly and durably perfume the interior of dwellings. The following table gathers examples of compositions according to the invention, given for purely illustrative purposes.
Figure img00040000

Exemple <SEP> CaCl2 <SEP> (g) <SEP> microcapsules' <SEP> (g) <SEP> colorante <SEP> (g)
<tb> parfumantes
<tb> 1 <SEP> 1000 <SEP> 15 <SEP> 2 <SEP> 500 <SEP> 8 <SEP> 3 <SEP> <B>1000</B> <SEP> 30 <SEP> 4 <SEP> 1000 <SEP> 15 <SEP> 0,2
<tb> 5 <SEP> 1000 <SEP> 15 <SEP> 0,4
<tb> 6 <SEP> 1000 <SEP> 20 <SEP> <B>0,3</B>
<tb> FIRCAPS <SEP> commercialisées <SEP> parla <SEP> Société <SEP> Firmenich
<tb> 2 <SEP> PURICOLOR <SEP> RED <SEP> FRE1, <SEP> PURICOLOR <SEP> BLUE <SEP> FB25, <SEP> PURICOLOR <SEP> RED
<tb> ARE27 <SEP> ou <SEP> PURICOLOR <SEP> YELLOW <SEP> AYE23 <SEP> commercialisés <SEP> par <SEP> la <SEP> Société
<tb> Ciba <SEP> Specialty <SEP> Chemical <SEP> Inc.Example <SEP> CaCl2 <SEP> (g) <SEP>microcapsules'<SEP> (g) <SEP> dye <SEP> (g)
<tb> fragrant
<tb> 1 <SEP> 1000 <SEP> 15 <SEP> 2 <SEP> 500 <SEP> 8 <SEP> 3 <SEP><B> 1000 </ B><SEP> 30 <SEP> 4 <SEP> 1000 <SEP> 15 <SEP> 0.2
<tb> 5 <SEP> 1000 <SEP> 15 <SEP> 0.4
<tb> 6 <SEP> 1000 <SEP> 20 <SEP><B> 0.3 </ B>
<tb> FIRCAPS <SEP> marketed <SEP> spoke <SEP> Company <SEP> Firmenich
<tb> 2 <SEP> PURICOLOR <SEP> RED <SEP> FRE1, <SEP> PURICOLOR <SEP> BLUE <SEP> FB25, <SEP> PURICOLOR <SEP> RED
<tb> ARE27 <SEP> or <SEP> PURICOLOR <SEP> YELLOW <SEP> AYE23 <SEP> marketed <SEP> by <SEP><SEP> Company
<tb> Ciba <SEP> Specialty <SEP> Chemical <SEP> Inc.

Claims (5)

<B>REVENDICATIONS</B><B> CLAIMS </ B> 1. Composition parfumante hygroscopique constituée par un mélange comprenant un agent desséchant, de préférence le chlorure de calcium, et des microcapsules parfumantes.1. A hygroscopic perfuming composition consisting of a mixture comprising a desiccating agent, preferably calcium chloride, and perfume microcapsules. 2. Composition selon la revendication 1, dans laquelle les parois des microcapsules sont constituées par un agent filmogène.2. Composition according to claim 1, wherein the walls of the microcapsules are constituted by a film-forming agent. 3. Composition selon la revendication 2, dans laquelle l'agent filmogène est choisi parmi l'acétate de vinyle, l'alcool polyvinylique, les dextrines naturelles ou modifiées, l'amidon naturel ou modifié, les gommes végétales, les alginates, les carrhagénanes, les pectines, les xanthanes, la cellulose et ses dérivés ou un mélange de ces composés.3. Composition according to Claim 2, in which the film-forming agent is chosen from vinyl acetate, polyvinyl alcohol, natural or modified dextrins, natural or modified starch, vegetable gums, alginates, and carrageenans. , pectins, xanthans, cellulose and its derivatives or a mixture of these compounds. 4. Composition selon l'une des revendications 1 à 3, dans laquelle les microcapsules ont une granulométrie comprise entre environ 10 et 300 um.4. Composition according to one of claims 1 to 3, wherein the microcapsules have a particle size of between about 10 and 300 microns. 5. Composition selon l'une des revendications 1 à 4, qui comprend de environ 0,5 à 5 parties en poids de microcapsules pour 100 parties en poids d'agent desséchant.<B>_</B> <B>6.</B> Composition selon l'une des revendications 1 à 5, dans laquelle le mélange comprend en outre un colorant organique. 7. Composition selon la revendication 6, dans laquelle le colorant organique est choisi parmi les colorants de type anthraquinone, aniline, azo, azôique, stilbène ou sulfure. 8. Composition selon la revendication 6 ou 7, qui comprend de environ 0,00005 à environ 0,05 partie en poids de colorant pour 100 parties en poids d'agent desséchant. 9. Composition selon la revendication 6 ou 7, dans laquelle le colorant est incorporé dans les microcapsules. 5. Composition according to one of claims 1 to 4, which comprises from about 0.5 to 5 parts by weight of microcapsules per 100 parts by weight of desiccant. <B> <B> <B> <6>. Composition according to one of claims 1 to 5, wherein the mixture further comprises an organic dye. 7. Composition according to claim 6, wherein the organic dye is chosen from dyes of anthraquinone, aniline, azo, azo, stilbene or sulphide type. The composition of claim 6 or 7, which comprises from about 0.00005 to about 0.05 parts by weight of dye per 100 parts by weight of desiccant. 9. Composition according to claim 6 or 7, wherein the dye is incorporated in the microcapsules.
FR9907662A 1999-06-17 1999-06-17 PERFUMING ABSORBENT COMPOSITION FOR AIR CLEANING Expired - Lifetime FR2794994B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006105680A1 (en) * 2005-04-04 2006-10-12 Givaudan Sa Fragrance composition
WO2016203150A1 (en) 2015-06-15 2016-12-22 Eurotab Moisture-absorbing tablet releasing a volatile active substance

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921581A (en) * 1974-08-01 1975-11-25 Star Kist Foods Fragrant animal litter and additives therefor
EP0076122A1 (en) * 1981-09-28 1983-04-06 The Clorox Company Animal litter
JPS63192446A (en) * 1987-02-05 1988-08-09 三洋化成工業株式会社 Water absorbable aromatic material
EP0279328A2 (en) * 1987-02-20 1988-08-24 Firmenich Sa Perfuming composition with a deodorizing or antiperspirant activity
JPH03123620A (en) * 1989-10-04 1991-05-27 Hiroshi Kato Dehumidifying agent
EP0813905A2 (en) * 1996-06-19 1997-12-29 Haarmann & Reimer Gmbh Perfume containing desiccant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921581A (en) * 1974-08-01 1975-11-25 Star Kist Foods Fragrant animal litter and additives therefor
EP0076122A1 (en) * 1981-09-28 1983-04-06 The Clorox Company Animal litter
JPS63192446A (en) * 1987-02-05 1988-08-09 三洋化成工業株式会社 Water absorbable aromatic material
EP0279328A2 (en) * 1987-02-20 1988-08-24 Firmenich Sa Perfuming composition with a deodorizing or antiperspirant activity
JPH03123620A (en) * 1989-10-04 1991-05-27 Hiroshi Kato Dehumidifying agent
EP0813905A2 (en) * 1996-06-19 1997-12-29 Haarmann & Reimer Gmbh Perfume containing desiccant

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 198837, Derwent World Patents Index; Class A97, AN 1988-262081, XP002128524 *
DATABASE WPI Section Ch Week 199127, Derwent World Patents Index; Class G04, AN 1991-197979, XP002128525 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006105680A1 (en) * 2005-04-04 2006-10-12 Givaudan Sa Fragrance composition
US10004205B2 (en) 2005-04-04 2018-06-26 Givaudan Sa Fragrance composition
US10426131B2 (en) 2005-04-04 2019-10-01 Givaudan S.A. Fragrance composition
WO2016203150A1 (en) 2015-06-15 2016-12-22 Eurotab Moisture-absorbing tablet releasing a volatile active substance

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