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:
Oct. 22, 1996
Filed:
Mar. 02, 1995
Kazuhiro Inoue, Funabashi, JP;
Teruomi Ito, Matsudo, JP;
Takayuki Kawaguchi, Toshima-ku, JP;
Katsutoshi Aono, Nara, JP;
Satoshi Okuno, Misato, JP;
Toshiro Yano, Kashiwa, JP;
Abstract
A carboxymethylmannoglucan comprising tetrasaccharide units represented by the following general formula (I) and salt thereof. Further, the invention discloses a carboxymethylmannoglucan derivative and salt thereof produced by subjecting part or the whole of mannose of the tetrasaccharide units to ring opening and subjecting part or the whole of glucose which constitute the main chain but have no mannose as a branch ##STR1## wherein R.sup.1 to R.sup.12 each represent a hydrogen atom or a carboxymethyl group. The compounds are useful as carrier for delaying the disappearance of a drug in the blood and for enhancing the organotropism of the drug for a carcinoma.