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:
Dec. 09, 2003
Filed:
Dec. 20, 2000
Applicant:
Inventors:
Paolo Ferruti, Milan, IT;
Piero Orsolini, Martigny, CH;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/364 ; C08G 8/100 ;
U.S. Cl.
CPC ...
C08G 6/364 ; C08G 8/100 ;
Abstract
The present invention relates to a non crosslinked block polymer. It also relates to a process for the preparation thereof and to the use thereof particularly in pharmaceutical compositions. The block polymer according to the invention contains sequences of polyethylene glycol linked to sequences of polyester and/or polycarbonate. The polyester sequences are selected in particular from polyfumarate, polymaleate and polysuccinate sequences.