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Title:
NOVEL POLYSACCHARIDE ESTER AND SALT
Document Type and Number:
Japanese Patent JPS6264802
Kind Code:
A
Abstract:
The invention concerns the esters of hyaluronic acid in which all or only a portion of the carboxylic groups of the acid are esterified, and the salts of the partial esters with metals or with pharmacologically acceptable organic bases.The compounds possess interesting and precious bio- plastic and pharmaceutical properties and may be used in innumerable fields, including cosmetics, surgery and medicine. The invention also includes pharmaceutical preparations containing, as an active ingredient, one or more hyaluronic acid esters, or a salt thereof as described above, as well as medicaments containing:1) a pharmacologically active substance or an association of pharmacologically active substances and2) a carrying vehicle containing a total or partial ester of hyaluronic acid.The invention includes also various uses of the hyaluronic esters or of the above mentioned medicaments, such as in medicine, surgery or cosmetics.The invention also relates to a new procedure for the preparation of polysaccharide esters containing carboxylic groups, such as in particular the above mentioned hayluronic acid esters.

Inventors:
FURANSESUKO DERA BUATSURE
AURERIO ROMEO
Application Number:
JP16176986A
Publication Date:
March 23, 1987
Filing Date:
July 08, 1986
Export Citation:
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Assignee:
FIDIA SPA
International Classes:
A61K8/00; A61K8/72; A61K8/73; A61K8/98; A61K9/00; A61K9/06; A61L17/00; A61K31/715; A61K47/00; A61K47/36; A61L15/00; A61L15/28; A61L17/06; A61L27/00; A61P17/16; A61P29/00; A61Q19/00; C07C69/00; C07H9/00; C08B37/00; C08B37/08; C08L5/08; D01F1/02; D01F13/00; A61L; C08B; D01F; (IPC1-7): A61K7/00; A61K31/725; A61K47/00; A61L17/00; A61L27/00; C08B37/08
Domestic Patent References:
JPS58170797A1983-10-07
JPS6236394A1987-02-17
Attorney, Agent or Firm:
Aoyama Aoi