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:
Feb. 22, 2022
Filed:
Aug. 17, 2018
Applicants:
Toppan Printing Co., Ltd., Tokyo, JP;
Osaka University, Suita, JP;
Inventors:
Assignees:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
OSAKA UNIVERSITY, Suita, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 5/07 (2010.01); C12N 5/071 (2010.01); C12N 5/09 (2010.01); C12M 3/00 (2006.01);
U.S. Cl.
CPC ...
C12N 5/0693 (2013.01); C12M 3/00 (2013.01); C12N 5/06 (2013.01); C12N 5/0697 (2013.01); C12N 2500/34 (2013.01); C12N 2501/90 (2013.01); C12N 2501/91 (2013.01); C12N 2502/1323 (2013.01); C12N 2502/28 (2013.01); C12N 2513/00 (2013.01); C12N 2527/00 (2013.01);
Abstract
A method of promoting spheroid formation, including: a preparation step of preparing a mixture obtained by mixing a cell sample with a promoter; and a culture step of culturing, inside a spheroid formation-culture vessel, the mixture obtained in the preparation step, in which the promoter is a polymer in which one or more selected from the group consisting of D-glucosamine, D-galactosamine, D-glucuronic acid, L-iduronic acid, and D-galactose are polymerized.