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:
Apr. 25, 2017
Filed:
Oct. 26, 2011
Applicants:
Marjo Yliperttula, Espoo, FI;
Patrick Laurén, Espoo, FI;
Madhushree Bhattacharya, Helsinki, FI;
Yanru Lou, Helsinki, FI;
Antti Laukkanen, Helsinki, FI;
Inventors:
Marjo Yliperttula, Espoo, FI;
Patrick Laurén, Espoo, FI;
Madhushree Bhattacharya, Helsinki, FI;
Yanru Lou, Helsinki, FI;
Antti Laukkanen, Helsinki, FI;
Assignee:
UPM-KYMMENE CORPORATION, Helsinki, FI;
Primary Examiner:
Int. Cl.
CPC ...
A61K 47/26 (2006.01); C12N 5/071 (2010.01); A61K 9/06 (2006.01); A61K 47/38 (2006.01); A61L 27/20 (2006.01); A61L 27/36 (2006.01); A61L 27/38 (2006.01); A61L 27/52 (2006.01); C08J 3/075 (2006.01); C08L 1/02 (2006.01); C12N 5/00 (2006.01); C12N 11/04 (2006.01); C12N 11/12 (2006.01); C08L 97/02 (2006.01); C12N 5/0735 (2010.01); C12N 5/079 (2010.01);
U.S. Cl.
CPC ...
C12N 5/0671 (2013.01); A61K 9/06 (2013.01); A61K 47/26 (2013.01); A61K 47/38 (2013.01); A61L 27/20 (2013.01); A61L 27/3637 (2013.01); A61L 27/38 (2013.01); A61L 27/52 (2013.01); C08J 3/075 (2013.01); C08L 1/02 (2013.01); C08L 97/02 (2013.01); C12N 5/0068 (2013.01); C12N 5/0606 (2013.01); C12N 5/067 (2013.01); C12N 5/0621 (2013.01); C12N 5/0672 (2013.01); C12N 11/04 (2013.01); C12N 11/12 (2013.01); C08J 2301/02 (2013.01); C08J 2389/00 (2013.01); C12N 2533/78 (2013.01);
Abstract
The present invention relates material that is useful in drug delivery compositions. The material comprises cellulose nanofibers and/or derivatives thereof, wherein the cellulose nanofibers are in a form of a hydrogel or membrane. The invention also provides methods for producing these materials and compositions and uses thereof.