Commercially viable process for high purity of fatty alcohol...

Details Commercially viable process for high purity of fatty alcohol... Commercially viable process for high purity of fatty alcohol...

2007-05-15

2007-05-15

Lankford, Jr., Leon D. (Department: 1651)

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

C435S155000

Reexamination Certificate

active

10604203

ABSTRACT:
The present invention discloses an economically viable process for producing large quantity of higher fatty alcohol of chain length C24–C36from natural waxes. The said alkanols have enriched percentage of 70–95% of C28fatty alcohol (Octacosanol) along with less percentage of lower chain length fatty alcohols. The invention discloses the use of supercritical carbon dioxide extraction along with immobilized enzyme for saponification. The present invention also discloses the cosmetic applications of alkyalkanols collectively referred to as policosanol, for control of sebum secretion and as anti-acne component effectively used in cosmetic formulations.

REFERENCES:
patent: 5747305 (1998-05-01), Jackson
patent: 5856316 (1999-01-01), Laguna Granja et al.
patent: 6586201 (2003-07-01), May et al.
Jackson et al (JAOCS 73(3):353-356 (1996).
Gunnlaugsdottir et al (JAOCS 74(11):1483-1490 (1997).
Gunnlaugsdottir et al (JAOCS 74(11):1491-1494 (1997).

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