WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1980002837) PROCESS FOR REMOVING AMINO-ACIDS FROM KERATINE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/002837    International Application No.:    PCT/FR1979/000051
Publication Date: 24.12.1980 International Filing Date: 20.06.1979
IPC:
NULL
Applicants:
Inventors:
Priority Data:
FR79/00051 20.06.1979 WO
Title (EN) PROCESS FOR REMOVING AMINO-ACIDS FROM KERATINE
(FR) PROCEDE D'EXTRACTION DES AMINOACIDES DE LA KERATINE
Abstract: front page image
(EN)Process for removing the various amino-acids of the keratine of hairs which comprises, after hydrolysis of the hairs by hydrochloric acid and removal of fatty acids with a chlorinated solvent, the removal of amino-acids in the following order: first cystine, then arginine in the form of benzyleden-arginine, leucine in the form of dileucine hydrochlorate and tyrosine. Finally the glutamic acid, serine and threonine may be removed.
(FR)Procede d'extraction des divers aminoacides de la keratine a partir des cheveux et des poils qui consiste, apres hydrolyse des cheveux ou poils par l'acide chlorhydrique et extraction des acides gras par un solvant chlore, a extraire les aminoacides dans l'ordre suivant: d'abord la cystine, puis l'arginine sous forme de benzylidene-arginine, la leucine sous forme de chlorhydrate de dileucine et la tyrosine. On peut enfin extraire l'acide glutamique, la serine et la threonine.
Designated States:
Publication Language: French (FR)
Filing Language: French (FR)