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:
Feb. 08, 2000
Filed:
Apr. 16, 1998
Applicant:
Inventors:
Federico Maisano, Milan, IT;
Luigia Gozzini, Milan, IT;
Assignee:
DIBRA S.p.A., , IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61B / ; C07F / ; C07C / ;
U.S. Cl.
CPC ...
424-169 ; 424-936 ; 424-9361 ; 424-9364 ; 534 10 ; 534 14 ; 530300 ; 530303 ; 530401 ; 530362 ; 562566 ; 540465 ;
Abstract
A process for the preparation of macromolecular chelants characterized by a high content in chelant groups per macromolecule.