Patent application number | Description | Published |
20090309076 | PHOTOCHROMIC COMPOUNDS - A photochromic compound is provided, which may be a pyran, an oxazine, or a fulgide. The photochromic compound has at least one substituent Q attached thereto, each Q independently being —N | 12-17-2009 |
20110129678 | Photochromic compounds and compositions - Described herein are compounds generally comprising an indeno[2′,3′:3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles. Also described herein are methods for preparing certain photochromic compounds, compositions, and articles. | 06-02-2011 |
20110140056 | Indeno-fused ring compounds - The present invention relates to compounds represented by the following Formulas (I) and (II), | 06-16-2011 |
20110143141 | Photochromic compounds and compositions - The present invention relates to compounds represented by the following Formula I, | 06-16-2011 |
20120126185 | INDENO-FUSED RING COMPOUNDS - The present invention relates to compounds represented by the following Formulas (I) and (II), | 05-24-2012 |
20120156508 | PHOTOCHROMIC COMPOUNDS AND COMPOSITIONS - Described herein are compounds generally comprising an indeno[2′,3′:3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles. | 06-21-2012 |
20120157677 | LACTONE COMPOUNDS AND MATERIALS MADE THEREFROM - The present invention relates to lactone compounds represented by the following Formulas I and II, and methods of making such lactone compounds. | 06-21-2012 |
20120200907 | PHOTOCHROMIC COMPOUNDS - A photochromic compound is provided, which may be a pyran, an oxazine, or a fulgide. The photochromic compound has at least one substituent Q attached thereto, each Q independently being —N | 08-09-2012 |
20140256935 | 5,6-RING-SUBSTITUTED NAPHTHOPYRAN COMPOUNDS - The present invention relates to naphthopyran compounds that include at least one compound represented by the following Formulas (I), (II), and (III): | 09-11-2014 |
20140272468 | PHOTOCHROMIC ARTICLES THAT INCLUDE PHOTOCHROMIC-DICHROIC MATERIALS - The present invention relates to photochromic articles that include a substrate and at least one photochromic material that is adapted to change from an unactivated form to an activated form by exposure to radiation substantially in the wavelength range from 380 to 450 nanometers when measured over a range of from 380 to 700 nanometers. The photochromic article is also adapted to retain at least 12 percent of the delta OD measured in the Outdoor Test when tested in the Behind the Windshield Test. The photochromic material can be selected from certain compounds including, for example, fluoranthenoxazines, naphthopyrans, phenanthropyrans, fluoranthenopyrans, and indenonaphthopyrans, which each have bonded thereto at least one chiral or achiral lengthening group that provides the photochromic compound with dichroic properties. The present invention also relates to methods of forming a photochromic article. | 09-18-2014 |