	US 11,891,529 B2
	Ink composition for bioprinting and hydrogel formed from the same
Chaenyung Cha, Ulsan (KR); and Jisu Hong, Ulsan (KR)
Assigned to UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Ulsan (KR)
Filed by UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Ulsan (KR)
Filed on Mar. 11, 2020, as Appl. No. 16/816,079.
Claims priority of application No. 10-2019-0028270 (KR), filed on Mar. 12, 2019.
Prior Publication US 2020/0291253 A1, Sep. 17, 2020
Int. Cl. C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C09D 11/107 (2014.01); C12M 1/12 (2006.01); C09D 11/101 (2014.01); C12N 5/00 (2006.01); C12N 5/071 (2010.01)

CPC C09D 11/107 (2013.01) [C09D 11/101 (2013.01); C12M 25/14 (2013.01); C12N 5/0012 (2013.01); C12N 5/0602 (2013.01)]

15 Claims

1. An ink composition for a hydrogel consisting of:

a poly(ethylene

glycol)methacrylate (PEGMA) or methacrylic gelatin (MGel);

acrylic hyperbranched ployglycerol (AHPG);

an aqueous solvent; and

a photoinitiator,

wherein the AHPG has a weight-average molecular weight of more than 2000 Da to 15000 Da.