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:
Feb. 28, 1995
Filed:
Jun. 17, 1993
Applicant:
Inventors:
Wen Shieh, Crown Point, IN (US);
Timothy Dailey, Portage, IN (US);
Allan Hedges, Crown Point, IN (US);
Assignee:
American Maize-Products Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ;
U.S. Cl.
CPC ...
536103 ; 536124 ; 536127 ; 536128 ;
Abstract
Cyclodextrin is refined by performing a crystallization step in the presence of a hydrogen bond inhibitor. The hydrogen bond inhibitor includes a base in an amount to adjust the pH of the solution to 8 and above or a non-base such as urea, guanidium hydrochloride and sodium lauryl sulfate in an amount of 0.1% to 2%.