Patent ID: 11897894
Assignee: TRANSITIONS OPTICAL, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 7:
8. The indolenaphthopyran of according to claim 1, having the core skeletal structure represented by Formula (Ia):, , wherein,
m is 0 to 4; and
R3 independently for each m is
i. hydroxyl;
ii. cyano;
iii. (meth)acrylate;
iv. amino or nitrogen-containing heterocycle;
v. a mesogen-containing group L1;
vi. substituted or unsubstituted alkyl;
vii. substituted or unsubstituted alkenyl;
viii. substituted or unsubstituted alkynyl;
ix. a halo group;
x. a perhalo group;
xi. boronic ester or boronic acid;
xii. polyether, polyester, polycarbonate, or polyurethane;
xiii. substituted or unsubstituted aryl;
xiv. substituted or unsubstituted heterocycloalkyl;
xv. substituted or unsubstituted heteroaryl;
xvi. substituted or unsubstituted alkoxy or substituted or unsubstituted aryloxy;
xvii. substituted or unsubstituted alkylthio or substituted or unsubstituted arylthio;
xviii. ketone, aldehyde, ester, carboxylic acid, carboxylate, or amide;
xix. carbonate, carbamate, or urea; or
xx. siloxane, alkoxysilane, or polysiloxane.