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. 03, 1984
Filed:
Apr. 29, 1981
Jean S Mardiguian, La Varenne Saint-Hilaire, FR;
Pharmindustrie, Gennevilliers, FR;
Abstract
Esters of heparin, which are derived from heparin by replacement of the carboxyl groups of heparin by groups of the formula: ##STR1## in which R is a hydrogen atom or a methyl group and A is a hydrogen atom or a methyl, phenyl, ##STR2## X representing a chlorine atom or a nitro, alkyl containing 1 to 4 carbon atoms or methoxy group and Y representing a hydrogen or chlorine atom, the replacement being a partial or total replacement when A is other than a hydrogen atom or a methyl or phenyl group and the replacement being a partial replacement corresponding to a 10% to 90% esterification percentage of the carboxyl groups when A is a hydrogen atom or a methyl or phenyl group, and the alkali metal, alkaline earth metal, magnesium, quaternary ammonium and amine salts of the said esters. These compounds are intermediate products for preparing medicaments.