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| 20090032782 | PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND COMPOSITIONS AND ARTICLES INCLUDING THE SAME - Various non-limiting embodiments disclosed herein relate to photochromic materials having extended pi-conjugated systems, such as an indeno-fused naphthopyran, which comprises a group that extends the pi-conjugated system of the indeno-fused naphthopyran bonded at the 11-position thereof. Further, the photochromic materials according to certain non-limiting embodiments disclosed herein may display hyperchromic absorption of electromagnetic radiation as compared to conventional photochromic materials and/or may have a closed-form absorption spectrum that is bathochromically shifted as compared to conventional photochromic materials. Other non-limiting embodiments relate to photochromic compositions and photochromic articles, such as optical elements, made using the disclosed photochromic materials, and methods of making the same. | 02-05-2009 |
| 20090062533 | NAPHTHOLS USEFUL FOR PREPARING INDENO-FUSED PHOTOCHROMIC NAPHTHOPYRANS - Described are naphthols useful in the manufacture of novel indeno-fused photochromic naphthopyran materials. | 03-05-2009 |
| 20090072206 | OPHTHALMIC DEVICES COMPRISING PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS - Various non-limiting embodiments disclosed herein relate to ophthalmic devices comprising photochromic materials having extended pi-conjugated systems. For example, various non-limiting embodiments disclosed herein provide a photochromic material, such as an indeno-fused naphthopyran, which comprises a group that extends the pi-conjugated system of the indeno-fused naphthopyran bonded at the 11-position of thereof. Further, the photochromic materials according to certain non-limiting embodiments disclosed herein may display hyperchromic absorption of electromagnetic radiation as compared to conventional photochromic materials and/or may have a closed-form absorption spectrum that is bathochromically shifted as compared to conventional photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials. | 03-19-2009 |
| 20100209697 | METHODS FOR PRODUCING PHOTOSENSITIVE MICROPARTICLES, NON-AQUEOUS DISPERSIONS THEREOF AND ARTICLES PREPARED THEREWITH - Described are non-aqueous dispersions of photosensitive polymeric microparticles, comprising: a) an organic continuous phase comprising an organic solvent; and b) photosensitive polymeric microparticles dispersed in the organic continuous phase. The microparticles comprise an at least partially polymerized component having integral surface and interior domains, wherein the surface domain comprises a polymeric material that is solubilized by the organic solvent, the interior domain comprises a polymeric material that is insoluble in the organic solvent, and the surface domain and/or interior domain is photosensitive. Also described are methods of producing such non-aqueous dispersions, curable film-forming compositions containing them, and photosensitive coated substrates. | 08-19-2010 |
| 20100221661 | METHODS FOR PRODUCING PHOTOSENSITIVE MICROPARTICLES - Described are various methods of producing non-aqueous dispersions of photosensitive polymeric microparticles, comprising: (a) preparing one or more aqueous dispersions of a polymerizable component, at least one of which contains a photosensitive material and, wherein the polymerizable components comprise at least one hydrophilic functional group and/or at least one hydrophobic functional group; (b) subjecting the dispersion of (a) to conditions sufficient to form microparticles; (c) at least partially polymerizing the polymerizable component; (d) combining the dispersion with an organic continuous phase comprising an organic solvent; (e) removing water from the dispersion such that the final water content of the non-aqueous dispersion is less than 30 percent by weight; wherein e) is performed before or after d); and (f) reacting any acid functional groups on the surface of the microparticles with a reactive material having at least one epoxy functional group, at least one thiocarbonylthio functional group, at least one alkoxyamine functional group, or at least one halide functional group. | 09-02-2010 |
| 20110042629 | PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND COMPOSITIONS AND ARTICLES INCLUDING THE SAME - The present invention provides a photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic material. | 02-24-2011 |
| 20110049445 | PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND COMPOSITIONS AND ARTICLES INCLUDING THE SAME - The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials. | 03-03-2011 |
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| 20120001127 | HOLE TRANSPORT COMPOSITIONS AND RELATED DEVICES AND METHODS (I) - A composition comprising: at least one compound comprising a hole transporting core, wherein the core is covalently bonded to a first arylamine group and also covalently bonded to a second arylamine group different from the first, and wherein the compound is covalently bonded to at least one intractability group, wherein the intractability group is covalently bonded to the hole transporting core, the first arylamine group, the second arylamine group, or a combination thereof, and wherein the compound has a molecular weight of about 5,000 g/mole or less. Blended mixtures of arylamine compounds, including fluorene core compounds, can provide good film formation and stability when coated onto hole injection layers. Solution processing of OLEDs is a particularly important application. | 01-05-2012 |
| 20120003790 | HOLE TRANSPORT COMPOSITIONS AND RELATED DEVICES AMD METHODS (II) - A composition comprising: at least one compound comprising a hole transporting core, wherein the core is covalently bonded to a first arylamine group and also covalently bonded to a second arylamine group different from the first, and wherein the compound is covalently bonded to at least one intractability group, wherein the intractability group is covalently bonded to the hole transporting core, the first arylamine group, the second arylamine group, or a combination thereof, and wherein the compound has a molecular weight of about 5,000 g/mole or less. Blended mixtures of arylamine compounds, including fluorene core compounds, can provide good film formation and stability when coated onto hole injection layers. Solution processing of OLEDs is a particularly important application. | 01-05-2012 |
