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:
Apr. 26, 1988
Filed:
Nov. 30, 1984
Applicant:
Inventors:
Monique Mauzac, Gujan Mestras, FR;
Jacqueline Jozefonvicz, La Morlaye, FR;
Marcel Jozefonvicz, La Morlaye, FR;
Assignee:
Choay S.A., Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C08B / ;
U.S. Cl.
CPC ...
536 51 ; 536 53 ; 536112 ; 514832 ; 514833 ;
Abstract
The dextran derivatives have a molecular weight higher than about 5000 daltons and comprise statistically at least about 35% of units substituted by radicals having a COO.sup.- function and at least 3% of units comprising a group of structure ##STR1## wherein R.sub.1 is a single bond; or a ##STR2## group, R.sub.2 is an anion of an inorganic or an organic salt and n is a number from 1 to 4.