CA2232371A1 - Granulates redispersable in water comprising an active agent in liquid form - Google Patents
Granulates redispersable in water comprising an active agent in liquid formInfo
- Publication number
- CA2232371A1 CA2232371A1 CA002232371A CA2232371A CA2232371A1 CA 2232371 A1 CA2232371 A1 CA 2232371A1 CA 002232371 A CA002232371 A CA 002232371A CA 2232371 A CA2232371 A CA 2232371A CA 2232371 A1 CA2232371 A1 CA 2232371A1
- Authority
- CA
- Canada
- Prior art keywords
- water
- surfactant
- active
- redispersable
- granulates
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 3
- 239000008187 granular material Substances 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 title abstract 2
- 239000013543 active substance Substances 0.000 title 1
- 239000004094 surface-active agent Substances 0.000 abstract 3
- 239000011149 active material Substances 0.000 abstract 2
- 230000002209 hydrophobic effect Effects 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000010981 drying operation Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 239000007764 o/w emulsion Substances 0.000 abstract 1
- 238000010587 phase diagram Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Landscapes
- Cosmetics (AREA)
- Colloid Chemistry (AREA)
Abstract
La présente invention a pour objet des granulés redispersables dans l'eau, obten us par séchage d'une émulsion huile dans eau comprenant: au moins une matière active sous forme de liquide hydrophobe; au moi ns un composé hydrosoluble susceptible de former au cours de l'opération de séchage un film continu solide emprisonnant les gouttele ttes de matière active hydrophobe; de l'eau; et au moins un agent tensio-actif principal dont le diagramme de phases binaire eau-agent tensi o-actif, comporte une phase isotrope fluide à 25.degree.C jusqu'à une concentration d'au moins 50 % en poids de tensio-actif, suivie, à des concen trations supérieures, d'une phase cristal liquide de type hexagonal, cubique ou lamellaire stable au moins jusqu'à 65 .degree.C.The subject of the present invention is granules redispersible in water, obtained by drying an oil-in-water emulsion comprising: at least one active material in the form of a hydrophobic liquid; in the ns a water-soluble compound capable of forming during the drying operation a solid continuous film trapping the droplets of hydrophobic active material; some water; and at least one main surfactant whose binary phase diagram water-surfactant o-active, comprises a fluid isotropic phase at 25.degree.C up to a concentration of at least 50% by weight of surfactant active, followed, at higher concentrations, by a liquid crystal phase of hexagonal, cubic or lamellar type stable at least up to 65 .degree.C.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9512586A FR2740358B1 (en) | 1995-10-25 | 1995-10-25 | WATER REDISPERSABLE GRANULES COMPRISING AN ACTIVE MATERIAL IN LIQUID FORM |
| FR95/12586 | 1995-10-25 | ||
| FR9601123A FR2740360B1 (en) | 1995-10-25 | 1996-01-31 | WATER REDISPERSABLE GRANULES COMPRISING AN ACTIVE MATERIAL IN LIQUID FORM |
| FR96/01123 | 1996-01-31 | ||
| PCT/FR1996/001654 WO1997015386A1 (en) | 1995-10-25 | 1996-10-23 | Water-redispersible granules including a liquid active material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2232371A1 true CA2232371A1 (en) | 1997-05-01 |
| CA2232371C CA2232371C (en) | 2006-02-28 |
Family
ID=36011130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002232371A Expired - Fee Related CA2232371C (en) | 1995-10-25 | 1996-10-23 | Granulates redispersable in water comprising an active agent in liquid form |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2232371C (en) |
-
1996
- 1996-10-23 CA CA002232371A patent/CA2232371C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2232371C (en) | 2006-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |