US 7,524,436 B2
Liquid crystal polymer film with improved stability
Robert Harding, Hants (United Kingdom); Matthew Francis, Walton (United Kingdom); Louise Diane Farrand, Dorset (United Kingdom); and Kevin Adlem, Bournemouth (United Kingdom)
Assigned to Merck Patent GmbH, Darmstadt (Germany)
Filed on Dec. 08, 2006, as Appl. No. 11/635,767.
Claims priority of application No. 05027036 (EP), filed on Dec. 10, 2005.
Prior Publication US 2007/0134444 A1, Jun. 14, 2007
Int. Cl. C09K 19/00 (2006.01); C09K 19/06 (2006.01); C09K 19/12 (2006.01); C09K 19/20 (2006.01); C09K 19/30 (2006.01)
U.S. Cl. 252—299.01  [252/299.61; 252/299.62; 252/299.63; 252/299.64; 252/299.65; 252/299.66; 252/299.67; 252/299.1; 430/20; 428/1.1; 428/1.2] 14 Claims
 
1. A polymerizable liquid crystal material comprising at least one polymerizable surface-active compound and at least one reactive mesogen, said surface active compound having four or more polymerizable groups.