Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637262 | Photochromic substituted naphthopyran compounds | Anil Kumar | 1997-06-10 |
| 5578252 | Photochromic substituted naphthopyran compounds | Anil Kumar | 1996-11-26 |
| 5565147 | Photochromic naphthopyran compounds | David B. Knowles | 1996-10-15 |
| 5552090 | Photochromic naphthopyran compounds | David B. Knowles | 1996-09-03 |
| 5466398 | Photochromic substituted naphthopyran compounds | Anil Kumar | 1995-11-14 |
| 5458814 | Substituted naphthopyrans | Anil Kumar, David B. Knowles | 1995-10-17 |
| 5451344 | Photochromic naphthopyran compounds | David B. Knowles | 1995-09-19 |
| 5395567 | Photochromic spironaphthopyran compounds | David B. Knowles | 1995-03-07 |
| 5340857 | Photochromic naphthopyrans | — | 1994-08-23 |
| 5330686 | Temperature stable and sunlight protected photochromic articles | Robert A. Smith | 1994-07-19 |
| 5244602 | Photochromic naphthopyrans | — | 1993-09-14 |
| 4911749 | Aquatic herbicidal methods | Jerome M. Lavanish | 1990-03-27 |
| 4857099 | Terrestrial and aquatic herbicidal methods | Jerome M. Lavanish | 1989-08-15 |
| 4741762 | Sulfamoyl urea derivatives | — | 1988-05-03 |
| 4666508 | Sulfamoyl urea derivatives | — | 1987-05-19 |
| 4622065 | Sulfamoyl urea derivatives | — | 1986-11-11 |
| 4612038 | Herbicidally active 3-oxadiazolyl-2-imidazolidinones | Jerome M. Lavanish, James A. Schwindeman | 1986-09-16 |
| 4592776 | Sulfamoyl urea derivatives | — | 1986-06-03 |
| 4559081 | Sulfamoyl urea derivatives | — | 1985-12-17 |
| 4449998 | Herbicidally active oxadiazole ureas | Jerome M. Lavanish | 1984-05-22 |
| 4426527 | 3-[5- Or 3-substituted-1,2,4-oxadiazol-3- or -5-yl]-1-substituted-4-substituted-5-substituted or unsubstituted-2-imidazolidinones | Jerome M. Lavanish | 1984-01-17 |
| 4388473 | Substituted benzoic or phenylacetic acid esters having plant growth regulating properties | Sidney B. Richter | 1983-06-14 |