Invention Grant
- Patent Title: Bioactive composition for cosmetic applications
- Patent Title (中): 用于化妆品应用的生物活性组合物
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Application No.: US13106532Application Date: 2011-05-12
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Publication No.: US08420137B2Publication Date: 2013-04-16
- Inventor: Hans Henning Wenk , Mike Farwick , Stefan Bergfried , Ursula Maczkiewitz
- Applicant: Hans Henning Wenk , Mike Farwick , Stefan Bergfried , Ursula Maczkiewitz
- Applicant Address: DE Essen
- Assignee: Evonik Goldschmidt GmbH
- Current Assignee: Evonik Goldschmidt GmbH
- Current Assignee Address: DE Essen
- Agency: Scully, Scott, Murphy & Presser, P.C.
- Priority: DE102007049612 20071017
- Main IPC: A61K36/906
- IPC: A61K36/906 ; A61K36/00

Abstract:
The invention relates to a process for the preparation of a plant extract from Curcuma plants, characterized by the process steps process step A) liquid extraction of Curcuma rhizomes, process step B) optionally, separation of a curcuminoid-containing solid obtained by precipitation from the extraction mixture obtained in process step A), process step C) removal of solvents present from the extraction mixture obtained in process step A) or B) to obtain a concentrate and process step D) distillation of the concentrate at a pressure of less than 1 bar to give the extract as distillate.
Public/Granted literature
- US20110217400A1 BIOACTIVE COMPOSITION FOR COSMETIC APPLICATIONS Public/Granted day:2011-09-08
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