Hybrid organic-inorganic material with non-linear optical response based on organic chromophores and process for the preparation thereof

A hybrid organic inorganic material with non-linear optic response, comprising a cross linked matrix hosting at least one organic chromophore which may be dipole-oriented using electric fields, comprises an effective amount of compounds having general formula (III) where S e S1 are independently selected from the group consisting of H, lower alkyl, aryl, and S2 is a linear or branched alkyl chain comprising from 1 to 18 carbon atoms and at least one hydroxyl group. [on SciFinder (R)] Patent Number: 2004092820 PCT Designated States: Designated States W: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW. Main IPC: G02F001-361. Secondary IPC: C07D209-82. Patent: Application: WO; Date: 20040405.; Application Number: 2004-EP3594 Patent Assignee: (Universita'Degli Studi di Milano - Bicocca, Italy; Chinelli, Maria Giovanna). Patent Country: WO; URL \#1: E:/!sandro/miei\bpdf/2004\b70\bPCT\bsolgel.pdf