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:
Jul. 19, 2022
Filed:
Nov. 15, 2012
Applicant:
Upm-kymmene Corporation, Helsinki, FI;
Inventors:
Antti Laukkanen, Helsinki, FI;
Ruzica Kolakovic, Helsinki, FI;
Leena Peltonen, Klaukkala, FI;
Timo Laaksonen, Espoo, FI;
Jouni Hirvonen, Vantaa, FI;
Heikki Lyytikainen, Naantali, FI;
Harri Jukarainen, Kuusisto, FI;
Prijo Kortesuo, Parainen, FI;
Assignee:
UPM-KYMMENE CORPORATION, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 47/38 (2006.01); A61K 9/00 (2006.01); A61K 9/50 (2006.01); A61K 9/70 (2006.01); A61K 9/16 (2006.01); A61K 31/137 (2006.01); A61K 31/216 (2006.01); A61K 31/277 (2006.01); A61K 31/405 (2006.01); A61K 31/496 (2006.01); A61K 31/573 (2006.01);
U.S. Cl.
CPC ...
A61K 47/38 (2013.01); A61K 9/0019 (2013.01); A61K 9/0034 (2013.01); A61K 9/1652 (2013.01); A61K 9/5042 (2013.01); A61K 9/70 (2013.01); A61K 31/137 (2013.01); A61K 31/216 (2013.01); A61K 31/277 (2013.01); A61K 31/405 (2013.01); A61K 31/496 (2013.01); A61K 31/573 (2013.01);
Abstract
A drug delivery system for sustained delivery of bioactive agents, the system includes a matrix including nanofibrillated cellulose derived from plant based material and at least one bioactive agent, and at least one support selected from synthetic polymers, bio compounds and natural polymers. Also, methods for the manufacture of the system and methods of using it.