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:
Nov. 13, 1990
Filed:
Apr. 06, 1989
Applicant:
Inventors:
Chin-Ping Yang, Taipei, TW;
Chein-Shyong Su, Taipei, TW;
Assignee:
Tatung Co., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C12P / ; C12P / ;
U.S. Cl.
CPC ...
435280 ; 435 95 ; 435 96 ; 435 97 ; 435101 ; 536103 ;
Abstract
A method of recovering and separating water-soluble cyclodextrins from cyclodextrin formation liquid, wherein the CD formation liquid or the CD liquid after separating .beta.-CD by concentrated precipitation method is mixed with .alpha.-amylase to hydrolyze dextrins to small oligosaccharides, then is concentrated and precipitated again to separate the remained .beta.-CD, after that, soluble .alpha.- and .gamma.-CD are recovered by using inclusion extraction method with organic solvent from the residual liquid.