US 7,473,738 B2
	Lactam polymer derivatives
Stephen C. Arnold, Flanders, N.J. (US); and Walter R. Laredo, Hillsborough, N.J. (US)
Assigned to Johnson & Johnson Vision Care, Inc., Jacksonville, Fla. (US)
Filed on Sep. 30, 2004, as Appl. No. 10/955,214.
Prior Publication US 2006/0069235 A1, Mar. 30, 2006
Int. Cl. C08F 8/04 (2006.01); C08F 26/06 (2006.01); C08F 8/00 (2006.01); C08G 18/83 (2006.01); C09B 69/10 (2006.01); C08L 101/14 (2006.01); G02B 1/04 (2006.01)

U.S. Cl. 525—326.9  [524/379; 524/404; 525/326.7; 525/326.8; 525/327.1; 525/337]

26 Claims

1. A process comprising dissolving and reacting in a solvent at least one lactam polymer and a reducing agent to form a hydroxyl functionalized lactam polymer derivative comprising hydroxyl functionality randomly distributed throughout the polymer backbone.