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:
Sep. 12, 2000
Filed:
Nov. 12, 1998
Applicant:
Inventors:
Tommi Markkula, Turku, FI;
Juha Ala-Sorvari, Turku, FI;
Harri Jukarainen, Turku, FI;
Matti Lehtinen, Piispanristi, FI;
Jarkko Ruohonen, Vanhalinna, FI;
Assignee:
Leiras Oy, Turku, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424422 ; 424473 ; 424486 ; 424449 ;
Abstract
The invention relates to a delivery device for the controlled release of a therapeutically active agent, especially an androgen, over a prolonged period of time, said device including a core containing the therapeutically active agent, and a membrane encasing the core wherein the membrane is made of an elastomer. According to the invention, the elastomer is a siloxane-based elastomer which includes 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units.