Patent Inventor: Barry Van Gemert
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Photochromic ocular devices
Inventor: Van Gemert | Patent Number: 7584630
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Photochromic contact lenses and methods of manufacturing
Inventor: Van Gemert, et al. | Patent Number: 7560056
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Photochromic materials having electron-withdrawing substituents
Inventor: Chopra, et al. | Patent Number: 7556751
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Photochromic materials with reactive substituents
Inventor: Xiao, et al. | Patent Number: 7556750
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Photochromic articles with reduced temperature dependency and methods for preparation
Inventor: Kumar, et al. | Patent Number: 7320826
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Pyrano-quinolines, pyrano-quinolinones, combinations thereof, photochromic compositions and articles
Inventor: Kim, et al. | Patent Number: 7094368
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Photochromic 6-aryl substituted 3H-naphtho(2,1-b)pyrans
Inventor: Lin, et al. | Patent Number: 6630597
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Photochromic naphthopyrans
Inventor: Nelson, et al. | Patent Number: 6348604
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Photochromic pyrano-fused naphthopyrans
Inventor: Van Gemert, et al. | Patent Number: 6106744
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Photochromic indeno-fused naptho[2,1-b]pyrans
Inventor: Lin, et al. | Patent Number: 5869658
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Photochromic naphthopyran compositions of neutral color
Inventor: Van Gemert, et al. | Patent Number: 5753146
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Photochromic naphthopyran compounds
Inventor: Knowles, et al. | Patent Number: 5674432
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Substituted naphthopyrans
Inventor: Kumar, et al. | Patent Number: 5658501
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Substituted naphthopyrans
Inventor: Kumar, et al. | Patent Number: 5658500
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Substituted naphthopyrans
Inventor: Kumar, et al. | Patent Number: 5651923
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Substituted naphthopyrans
Inventor: Kumar, et al. | Patent Number: 5650098
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Photochromic indeno-fused naphthopyrans
Inventor: Van Gemert | Patent Number: 5645767
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Photochromic substituted naphthopyran compounds
Inventor: Van Gemert, et al. | Patent Number: 5637262
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Photochromic substituted naphthopyran compounds
Inventor: Van Gemert, et al. | Patent Number: 5578252
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Photochromic naphthopyran compounds
Inventor: Knowles, et al. | Patent Number: 5565147
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Photochromic naphthopyran compounds
Inventor: Van Gemert, et al. | Patent Number: 5552090
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Photochromic substituted naphthopyran compounds
Inventor: Van Gemert, et al. | Patent Number: 5466398
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Substituted naphthopyrans
Inventor: Kumar, et al. | Patent Number: 5458814
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Photochromic naphthopyran compounds
Inventor: Knowles, et al. | Patent Number: 5451344
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Photochromic spironaphthopyran compounds
Inventor: Van Gemert, et al. | Patent Number: 5395567
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Photochromic naphthopyrans
Inventor: Van Gemert | Patent Number: 5340857
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Temperature stable and sunlight protected photochromic articles
Inventor: Smith, et al. | Patent Number: 5330686
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Photochromic naphthopyrans
Inventor: Van Gemert | Patent Number: 5244602
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Aquatic herbicidal methods
Inventor: Lavanish, et al. | Patent Number: 4911749
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Terrestrial and aquatic herbicidal methods
Inventor: Lavanish, et al. | Patent Number: 4857099
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Sulfamoyl urea derivatives
Inventor: Van Gemert | Patent Number: 4741762
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Sulfamoyl urea derivatives
Inventor: Van Gemert | Patent Number: 4666508
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Sulfamoyl urea derivatives
Inventor: Van Gemert | Patent Number: 4622065
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Herbicidally active 3-oxadiazolyl-2-imidazolidinones
Inventor: Van Gemert, et al. | Patent Number: 4612038
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Sulfamoyl urea derivatives
Inventor: Van Gemert | Patent Number: 4592776
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Sulfamoyl urea derivatives
Inventor: Van Gemert | Patent Number: 4559081
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Herbicidally active oxadiazole ureas
Inventor: Lavanish, et al. | Patent Number: 4449998
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3-[5- Or 3-substituted-1,2,4-oxadiazol-3- or -5-yl]-1-substituted-4-substituted-5-substituted or unsubstituted-2-imidazolidinones
Inventor: Lavanish, et al. | Patent Number: 4426527
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Substituted benzoic or phenylacetic acid esters having plant growth regulating properties
Inventor: Richter, et al. | Patent Number: 4388473