	US 11,702,500 B2
	Biomedical devices
Ivan M. Nuñez, Bluffton, SC (US); Lynn Coullard, Williamson, NY (US); and Katie L. Poetz, Scottsdale, AZ (US)
Assigned to Bausch + Lomb Ireland Limited, Dublin (IE)
Filed by Bausch + Lomb Ireland Limited, Dublin (IE)
Filed on Mar. 15, 2022, as Appl. No. 17/694,981.
Claims priority of provisional application 63/161,002, filed on Mar. 15, 2021.
Prior Publication US 2022/0298287 A1, Sep. 22, 2022
Int. Cl. C08G 18/12 (2006.01); C08G 18/32 (2006.01); C08G 18/61 (2006.01); C08G 18/64 (2006.01); G02B 1/04 (2006.01); A61L 27/18 (2006.01); A61L 29/06 (2006.01); C08G 18/75 (2006.01); C08G 73/02 (2006.01); G02C 7/04 (2006.01)

CPC C08G 18/12 (2013.01) [A61L 27/18 (2013.01); A61L 29/06 (2013.01); C08G 18/3203 (2013.01); C08G 18/3206 (2013.01); C08G 18/61 (2013.01); C08G 18/6423 (2013.01); C08G 18/758 (2013.01); C08G 73/0233 (2013.01); G02B 1/043 (2013.01); A61L 2430/16 (2013.01); C08G 2210/00 (2013.01); G02C 7/04 (2013.01)]

21 Claims

1. A biomedical device which is a polymerization product of a mixture comprising:

(a) about 20 to about 60 weight percent, based on the total weight of the mixture, of one or more difunctional isocyanates;

(b) about 10 to about 70 weight percent, based on the total weight of the mixture, of one or more polyalcohols;

(c) about 10 to about 70 weight percent, based on the total weight of the mixture, of one or more hydroxy-terminated polysiloxane prepolymers; and

(d) about 5 to about 65 weight percent, based on the total weight of the mixture, of one or more polyoxazoline polyols having a weight average molecular weight of equal to or greater than about 1000 Daltons.