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. 08, 2019
Filed:
Sep. 25, 2014
Applicant:
Northwestern University, Evanston, IL (US);
Inventors:
Alexandra L. Rutz, Chicago, IL (US);
Ramille N. Shah, Hinsdale, IL (US);
Assignee:
Northwestern University, Evanston, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 47/00 (2006.01); A61L 27/44 (2006.01); A61L 27/38 (2006.01); A61L 27/18 (2006.01); A61L 27/52 (2006.01); A61L 27/56 (2006.01); C12N 5/00 (2006.01); C12M 1/26 (2006.01);
U.S. Cl.
CPC ...
B29C 47/0004 (2013.01); A61L 27/18 (2013.01); A61L 27/38 (2013.01); A61L 27/44 (2013.01); A61L 27/52 (2013.01); A61L 27/56 (2013.01); C12N 5/0068 (2013.01); B29K 2889/00 (2013.01); C12M 33/00 (2013.01); C12N 2537/00 (2013.01); C12N 2537/10 (2013.01);
Abstract
Extrudable hydrogel compositions for printing 3D objects, such as cell growth scaffolds, are provided. Also provided are methods for making the crosslinked hydrogel compositions and the printed objects and methods for culturing cells using the cell growth scaffolds. The hydrogel precursor solutions are aqueous solutions comprising a biocompatible polymer, functionalized polyethylene glycol as a crosslinker and, optionally, cells and/or bioactive factors.