Process for the preparation of active principles on thermal water and compositions comprising them

Patent metadata

Field	Value
Publication number	US-11371010-B2
Application number	US-201615353173-A
Country	US
Kind code	B2
Filing date	Nov 16, 2016
Priority date	May 10, 2007
Publication date	Jun 28, 2022
Grant date	Jun 28, 2022

Abstract

The invention relates to a process for the preparation of a cosmetic or dermatological active principle, comprising the culturing of at least one nonphotosynthetic and nonfruiting filamentous bacterium on a medium comprising at least one nonsulphurous mineral and/or thermal water.It also relates to a cosmetic or dermatological composition comprising at least one bacterium of the genus Vitreoscilla or one of its extracts.

First claim

The invention claimed is:

1. A process for preparing a cosmetic or dermatological active principle, comprising:
culturing at least one nonphotosynthetic and nonfruiting filamentous bacterium comprising an envelope on a medium comprising at least one first water which is thermal water from La Roche-Posay, the first water being mixed with at least one second water which is an osmotically treated and/or distilled water and the concentration of the first water is from 0.5% to 50% with respect to the second water to produce a cultured bacterium comprising an envelope, wherein the at least one first water exhibits a total mineral content of greater than or equal to 400 mg/l;
separating the cultured bacterium from the medium, and
rupturing the envelope of the cultured bacterium to produce the active principle.

2. The process according to claim 1 , wherein a genus of the bacterium is the genus Vitreoscilla.

3. The process according to claim 2 , wherein a specie of the bacterium is the specie, Vitreoscilla filiformis.

4. The process according to claim 3 , wherein the bacterium is the strain deposited at the ATCC under the reference ATCC15551.

5. The process according to claim 1 , wherein a concentration of calcium ions in the first water is greater than or equal to 100 mg/l.

6. The process according to claim 1 , wherein a concentration of hydrogen-carbonates in the first water is greater than or equal to 300 mg/l.

7. The process according to claim 1 , comprising:
fermenting the cultured bacterium in the medium prior to separating the cultured bacterium from the medium to produce a fermented cultured bacterium; and
separating the fermented cultured bacterium from the medium to recover a mass of the bacteria;
wherein
the medium further comprises a monosaccharide, and
the bacterium is of the order Beggiatoales.

8. The process according to claim 7 , further comprising: stabilizing the mass of the bacteria which is recovered after fermentation.

9. The process according to claim 1 ,
wherein
the medium comprises a mixture of (i) osmotically treated or distilled water and of (ii) thermal water, and
a ratio (i)/(ii) is between 1 and 100.

10. The process according to claim 1 , wherein the at least one first water exhibits a total mineral content of 400 mg/1 to 900 mg/l.

11. The process according to claim 1 ,
wherein
the medium comprises a mixture of (i) osmotically treated or distilled water and of (ii) thermal water, and
a ratio (i)/(ii) is between 1 and 25.

12. A process for preparing a cosmetic or dermatological active principle, comprising:
culturing at least one nonphotosynthetic and nonfruiting filamentous bacterium on a medium comprising at least one first water which is thermal water from La Roche-Posay, the first water being mixed with at least one second water which is an osmotically treated and/or distilled water and the concentration of the first water is from 0.5% to 50% with respect to the second water to produce a cultured bacterium, wherein the at least one first water exhibits a total mineral content of greater than or equal to 400 mg/l; and
separating the cultured bacterium from the medium to prepare an extract of the medium, wherein the extract is the active principle.

13. The process according to claim 12 , wherein the extract is supernatant from the medium.

14. The process according to claim 1 , wherein the concentration of the first water is from 0.5% to 20% with respect to the second water.

15. The process according to claim 1 , wherein the concentration of the first water is from 0.5% to 2% with respect to the second water.

16. The process according to claim 12 , wherein the concentration of the first water is from 0.5% to 20% with respect to the second water.

17. The process according to claim 12 , wherein the concentration of the first water is from 0.5% to 2% with respect to the second water.

Assignees

• Oreal

Inventors

• Martin Richard
• Hilaire Pascal

Classifications

• C12P19/02

  Monosaccharides (2-ketogulonic acid C12P7/60) · CPC title

• C12N1/20 Primary

  Bacteria; Culture media therefor · CPC title

• A61K35/74

  Bacteria (therapeutic use of a bacterial protein A61K38/00) · CPC title

• A61Q19/00

  Preparations for care of the skin · CPC title

• A61K8/965

  of inanimate origin · CPC title