The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 1979
Filed:
Jun. 24, 1977
Applicant:
Inventors:
Makoto Yamanaka, Koganei, JP;
Satoshi Takano, Funabashi, JP;
Tsuruo Mikata, Kashiwa, JP;
Kikuhiko Okamoto, Koshigaya, JP;
Assignee:
Kao Soap Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07J / ; C11C / ;
U.S. Cl.
CPC ...
26039725 ; 260419 ; 2603972 ; 568917 ;
Abstract
A process is provided for producing a lower allergenic lanolin or derivative thereof by liquid-liquid extracting lanolin or its derivative with a non-polar hydrocarbon solvent and a mixed solvent of water with a lower alcohol. The non-polar hydrocarbon solvent extract is then recovered.