Patent ID: 11886045
Assignee: ALCON INC.
Field: Optics (Instruments)
Classification: CPC G  B  C | IPC B  C  G

Claim 4:
5. The method of claim 2, wherein said at least one iniferter comprises at least one thiocarbonylthio-containing compound selected from the group consisting of thiuram monosulfide, N,N′-dimethylthiuram monosulfide, N,N,N′,N′-tetramethylthiuram monosulfide, N,N′-diethylthiuram monosulfide, N,N,N′,N′-tetraethylthiuram monosulfide, thiuram disulfide, N,N-dimethylthiuram disulfide, N,N′-diethylthiuram disulfide, N,N′-diethyl-N,N′-bis(2-hydroxyethyl)thiuram disulfide, N,N′-bis(N-(2-phthalimidoethyl)piperazine-thiuram disulfide, N,N′-dimethylthiuram tetrasulfide, tetramethylthiuram disulfide, tetraethylthiuram disulfide, tetraisopropylthiuram disulfide, N,N′-dimethyl N,N′-di(4-pyridinyl)thiuram disulfide, bis(thiobenzoyl) disulfide, diisopropyl xanthate disulfide, cyanomethyl benzodithioate, benzyl benzodithioate, 2-phenyl-2-propyl benzodithioate, bis(thiobenzoyl) disulfide, benzyl 1H-pyrrole-1-carbodithioate, 2-cyano-2-propyl benzodithioate, bis(carboxymethyl)trithiocarbonate, 4-cyano-4-(thiobenzoylthio)pentanoic acid, ethyl 2-(phenylcarbonothioylthio)-2-phenylacetate, ethyl 2-(phenylcarbonothioylthio)-propionate, 1-(methoxycarbonyl)ethyl benzodithioate, 2-cyano-2-propyl 4-cyanobenzo-dithioate, ethyl 2-(4-methoxyphenylcarbonothioylthio)acetate, ethyl 2-methyl-2-(phenylthiocarbonylthio)propionate, ethyl 2-(phenylcarbonothioylthio)-2-phenylacetate, 2-(4-methoxyphenylcarbonothioylthio)ethanoic acid, 2-nitro-5-(2-propynyloxy)benzyl 4-cyano-4-(phenylcarbonothioylthio)pentanoate, S,S-bis(α,α′-dimethyl-α″-acetic acid) trithiocarbonate, S-dodecyl-S′-(α,α′-dimethyl-α″-acetic acid) trithiocarbonate, S-ethyl-S′-(α,α′-dimethyl-α″-acetic acid) trithiocarbonate, 4-cyano-4-ethyl-trithiopentanoic acid, S,S-dibenzyl trithiocarbonate, bis(carboxymethyl)trithiocarbonate, dimethyl trithiocarbonate, phthalimidomethyl butyl trithiocarbonate, cyanomethyl dodecyl trithiocarbonate, 4-cyano-4-[(dodecylsulfanylthiocarbonyl)sulfanyl]pentanoic acid, 3,5-bis(2-dodecylthiocarbono-thioylthio-1-oxopropoxy)benzoic acid, 2-(2-carboxyethylsulfanylthiocarbonylsulfanyl)-propionic acid, 2-cyano-2-propyl dodecyl trithiocarbonate, 3-butenyl 2-(dodecylthiocarbonothioylthio)-2-methylpropionate, 2-(dodecylthiocarbonothioylthio)-2-methylpropionic acid, cyanomethyl (3,5-dimethyl-1H-pyrazole)-carbodithioate, 2-cyanobutan-2-yl 4-chloro-3,5-dimethyl-1H-pyrazole-1-carbodithioate, methyl 2-[methyl(4-pyridinyl)carbamothioylthio]propionate, 2-cyanobutanyl-2-yl 3,5-dimethyl-1H-pyrazole-1-carbodithioate, cyanomethyl methyl(phenyl)carbamodithioate, cyanomethyl methyl(4-pyridyl)carbamodithioate, benzyl 1H-pyrrole-1-carbodithioate, cyanomethyl diphenylcarbamodithioate, cyanomethyl methyl(4-pyridyl)carbamodithioate, benzyl-N,N-dimethyldithiocarbamate, benzyl-N,N-diethyldithiocarbamate, 2-(N,N-diethyldithiocarbamyl) isobutyric acid, 2-(N,N-diethyldithiocarbamyl) isobutyric acid ethyl ester, (4-cyano-4-diethyldithiocarbamyl) pentanoic acid, 1-(ethoxycarbonyl)prop-1-yl dithiobenzoate, phenacyl morpholine-4-dithiocarbamate, S-2-cyano-2-propyl-O-ethyl xanthate, 1-phenylethyl phenyldithioacetate, S-methacryloyl O-ethyl xanthate, 2-(N,N-diethyldithiocarbamyl)ethyl methacrylate, acetic acid 2-(N,N-diethyldithiocarbamyl)ethyl ether, cyanopentanoic acid dithiobenzoate, 3-benzylsulfanylthiocarbonylsulfanyl propionic acid, 2-(n-butyltrithiocarbonate)-propionic acid, n-butyl N,N-dimethyl-dithiocarbamate, benzyl dithiocarbamate, p-xylene-bis(dithiocarbamate), p-xylene-bis(N,N-dimethyldithiocarbamate), p-xylene-bis(N,N-diethyldithiocarbamate), 1,2-bis(N,N-diethyldithiocarbamyl)ethane, 1,2-bis(N,N-dimethyldithiocarbamyl)ethane, 1,2,3-tris(N,N-dimethyldithiocarbamyl)propane, 1,2,4,5-tetrakis(N,N-diethyldithiocarbamylmethyl)benzene, 1-(N,N-diethyldithiocarbamyl)ethyl acetate, and combinations thereof.