Patent ID: 11945895
Assignee: ALCON INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 8:
9. The photochromic polydiorganosiloxane vinylic crosslinker of claim 6, wherein said at least one reactive photochromic compound comprises 1-hydroxyethyl-3,3-dimethylspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1-hydroxypropyl-3,3-dimethylspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1-aminoethyl-3,3-dimethyl-5-chlorospiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1-hydroxyethyl-3,3-dimethyl-8′-methoxyspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1-(p-vinylphenyl)-3,3-dimethyl-5,6-dichlorospiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1,3,3-trimethyl-9′-hydroxyspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1,3,3-trimethyl-5′-hydroxymethylspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1,3,3-trimethyl-9′-aminospiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1,3,3-trimethyl-5-chloro-8′-hydroxyspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1-benzyl-3,3-dimethyl-9′-vinylbenzoyloxyspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1-benzyl-3,3-dimethyl-5′-hydroxymethylpiperidinospironaphthooxazine; 1,3,3-trimethyl-9′-hydroxyspiro[indoline-2,3′-[3H]-pyrido-[2,1-b][1,4]benzooxazine]; 5-hydroxy-6′-cyano-1,3,3-trimethyl-spiro-[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 5-hydroxy-6′-phenylsulfonyl-1,3,3-trimethyl-spiro-[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 5′formyl-1,3,3-trimethylspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine; 1,3-dihydro-6′-piperazino-1,3,3-trimethyl spiro [2H indole-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine; 1,3-dihydro-6′44-hydroxyethyl)piperazino-1,3,3-trimethyl spiro [2H indole-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine; 1,3-dihydro-9′-hydroxy-1,3,3-trimethyl spiro 92H indole-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine; 1,3,3,4,5-pentamethyl-9′-methoxycarbonyl-8′-hydroxy-spiro[indoline-2,3′-[3H]naphth[2,1-b][1,4]oxazine; 1,3,3,5,6-pentamethyl-9′-methoxycarbonyl-8′-hydroxy-spiro[indoline-2,3′-[3H]naphth[2,1-b][1,4]oxazine; 1-propyl-3,3,4,5-tetramethyl-9′-methoxycarbonyl-8′-hydroxy-spiro[indoline-2,3′-[3H]naphth[2,1-b][1,4]oxazine; 1-propyl-3,3,5,6-tetramethyl-9′-methoxycarbonyl-8′-hydroxy-spiro[indoline-2,3′-[3H]naphth[2,1-b][1,4]oxazine; 1-methoxyethyl-3,3-dimethyl-9′-allyloxycarbonyl-8′-chloroactoxy-spiro[indoline-2,3′-[3H]naphth[2,1-b][1,4]oxazine; 1-allyl-3,3-spirocyclohexyl-9′-benzyloxycarbonyl-8′-chloroactoxy-spiro[indoline-2,3′-[3H]naphth[2,1-b][1,4]oxazine; 5-amino-1,3,3-trimethyl-spiro[indoline-2,3′-[3H]-pyrido[3,4-f][1,4]benzoxazine; 6-hydroxy-1′,3′,3′,4′,5′-pentamethylspiro[2H-1,4-benzoxazine-2,2′-indoline]; 6-hydroxy-1′,3′,3′,5′,6′-pentamethylspiro[2H-1,4-benzoxazine-2,2′-indoline]; 5,7-dimethoxy-1′-hydroxy-carbonylethyl-3′,3′-dimethylspiro[2H-1,4-bezoxazine-2,2′-indoline]; 7-methoxy-1′-hydroxy-ethyl-3′,3′-dimethylspiro[2H-1,4-bezoxazine-2,2′-indoline]; 9′-hydroxy-1-methylspiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 5-chloro-9′-hydroxy-1-methylspiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 8′-hydroxy-1-methylspiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 8′-hydroxy-5-methoxy-1-methylspiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 8′-hydroxy-1,4,5-trimethylspiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 9′-hydroxy-1-isopropylspiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 9′-hydroxy-1-hexadecyl-spiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 9′-hydroxy-1-octadecylspiro[indoline-2,3′-(3H)-naphtho(2,1-b)-1,4-oxazine]; 1,1″-(1,5-pentanediyl)bis[3,3-dimethyl]-9′-hydroxy-spiro[indoline-2,3′-[3M-naphtho[2,1-b][1,4]oxazine]; 1,1″-[1,4-phenylenebis(methylene)]bis[3,3-dimethyl]-5′-hydroxymethylspiro[indoline-2,3′-[3M-naphtho[2,1-b]][1,4]oxazine]; 1,1″-(1,4-butanediyl)bis[5,6-dichloro-3,3-dimethyl]-8′-hydroxyspiro[indoline-2,3′-[3M-naphtho[2,1-b]][1,4]oxazine]; 1,3,3-trimethyl-9′-hydroxpiperidinospironaphthooxazine; 3-carboxyethyl-1,1-dimethyl-9′-methoxyspiro[benz[e]-indoline-2,3′-[3M-naphtho[2,1-b][1,4]oxazine]; 1-carboxyethyl-3,3-dimethyl-9′-methoxyspiro[benz[g]-indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 1,1-dimethyl-3-hydroxyethyl-9′-methoxyspiro[benz[e]-indoline-2,3′-[3M-naphtho[2,1-b][1,4]oxazine]; 3,3-dimethyl-1-hydroxyethyl-9′-methoxyspiro[benz[g]-indoline-2,3′-[3M-naphtho[2,1-b][1,4]oxazine]; 3-carboxyethyl-1,1-dimethyl-9′-methoxyspiro[benz[e]-indoline-2,3′-[3M-pyrido[2,1-b][1,4]benzoxazine]; 1-carboxyethyl-3,3-dimethyl-9′-methoxyspiro[benz[g]-indoline-2,3′-[3H]-pyrido[2,1-b][1,4]benzoxazine]; 1,1-dimethyl-3-hydroxyethyl-9′-methoxyspiro[benz[e]-indoline-2,3′-[3M-pyrido[2,1-b][1,4]benzoxazine]; 3,3-dimethyl-1-hydroxyethyl-9′-methoxyspiro[benz[g]-indoline-2,3′-[3M-pyrido[2,1-b][1,4]benzoxazine]; 5-amino-5′-(2-benzthiazolyl)-1,3,3-trimethylspiro[indoline-2,3′-[3M-naphtho[2,1-b][1,4]oxazine]; 5-amino-5′-(5′-(2-hydroxyphenyl)-2-oxadiazolyl)-1-isopropyl-3,3-dimethylspiro[indoline-2,3′-[3H]-naphtho[2,1-b][1,4]oxazine]; 5-amino-5′-(5′-phenyl-2-oxadiazolyl)-1,3,3-trimethylspiro[indoline-2,3′-[3M-naphtho[2,1-b][1,4]oxazine]; or a mixture thereof.