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.

Date of Patent:
Jun. 09, 1998

Filed:

Jun. 16, 1997
Applicant:
Inventors:

Kenichi Hamayasu, Yokohama, JP;

Tetsuya Ito, Yokohama, JP;

Koki Fujita, Yokohama, JP;

Kozo Hara, Yokohama, JP;

Kyoko Koizumi, Fujiidera, JP;

Toshiko Tanimoto, Nishinomiya, JP;

Hirofumi Nakano, Toyonaka, JP;

Sumio Kitahata, Sennan-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ; A61K / ; A01N / ;
U.S. Cl.
CPC ...
536 46 ; 536103 ; 514 58 ;
Abstract

Disclosed are novel branched cyclodextrins having any of an N-acetylglucosamine group, a glucosaminyl group, an N-acetylgalactosaminyl group and a galactosaminyl group as bonded to the hydroxyl group of the cyclodextrin ring by .beta.-bonding therebetween, and their salts. The novel branched cyclodextrins are produced by reacting a solution containing a cyclodextrin and an N-acetylglucosamine or N-acetylgalactosamine with an N-acetylhexosaminidase, and optionally deacetylating the resulting product.


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