| 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 |
