	US 12,071,515 B2
	High dynamic range two-stage photopolymers
Marvin D. Alim, Kirkland, WA (US); Christopher N. Bowman, Boulder, CO (US); Sudheendran Mavila, Boulder, CO (US); and Robert R. McLeod, Boulder, CO (US)
Assigned to The Regents of the University of Colorado, a body corporate, Denver, CO (US)
Appl. No. 16/972,884
Filed by THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE, Denver, CO (US)
PCT Filed Jun. 10, 2019, PCT No. PCT/US2019/036375 § 371(c)(1), (2) Date Dec. 7, 2020, PCT Pub. No. WO2019/237117, PCT Pub. Date Dec. 12, 2019.
Claims priority of provisional application 62/682,659, filed on Jun. 8, 2018.
Prior Publication US 2021/0246266 A1, Aug. 12, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C08G 75/02 (2016.01); C08F 2/50 (2006.01); C08F 20/38 (2006.01); C08F 28/04 (2006.01); G02B 5/32 (2006.01); G03F 7/004 (2006.01); G03H 1/02 (2006.01); G03F 7/00 (2006.01)

CPC C08G 75/02 (2013.01) [C08F 2/50 (2013.01); C08F 20/38 (2013.01); C08F 28/04 (2013.01); G02B 5/32 (2013.01); G03F 7/004 (2013.01); G03F 7/001 (2013.01); G03H 1/024 (2013.01); G03H 2260/12 (2013.01)]

20 Claims

1. A monomer of formula (I):

wherein:

each instance of Y is independently O, S, or NH;

each instance of R²is independently selected from the group consisting of:

x is 1 or 2, wherein:

x is 1 and R¹is independently selected from the group consisting of:

x is 2 and R¹is independently selected from the group consisting of:

and

R³is selected from the group consisting of:

and

R⁴is selected from the group consisting of H and —CH₃;

R⁵is selected from the group consisting of H, optionally substituted C₁-C₆alkyl, optionally substituted C₁-C₆heteroalkyl, optionally substituted C₂-C₆alkenyl, optionally substituted C₂-C₆heteroalkenyl, optionally substituted C₂-C₆alkynyl, and optionally substituted C₂-C₆heteroalkynyl.