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:
Jan. 29, 2013
Filed:
Jun. 27, 2007
Applicants:
Jukka Tuominen, Kuusisto, FI;
Amaia Zurutuza, Glasgow, GB;
Mark Livingstone, Irvine, GB;
Janet Anne Halliday, West Lothian, GB;
Inventors:
Jukka Tuominen, Kuusisto, FI;
Amaia Zurutuza, Glasgow, GB;
Mark Livingstone, Irvine, GB;
Janet Anne Halliday, West Lothian, GB;
Assignee:
Ferring B.V., Hoofddorp, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09J 4/00 (2006.01); A61K 47/00 (2006.01); A61K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A linear polymer is obtained by reacting together a polyethylene glycol or polypropylene glycol; a PEG-PPG-PEG or PPG-PEG-PPG block copolymer; a difunctional amine or diol; and a diisocyanate. A controlled release composition comprises the polymer together with an active agent. Active agents of molecular weight 200 to 20,000 may be used.