Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437189 | Synthesis of sulfoxides via selective oxidation of sulfides with a perborate or a percarbonate | Vidyanatha A. Prasad | 2002-08-20 |
| 6251350 | Process for the manufacture of thiophosphoryl chloride | Jacqueline M. Applegate, Vidyanatha A. Prasad | 2001-06-26 |
| 6071858 | Stable, dry compositions for use as herbicides | Thomas F. Modrcin, Vijay C. Desai, Klaus Jelich, John W. Brandriff, Dennis E. Jackman | 2000-06-06 |
| 6034245 | Process for making 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole using methyldithiocarbazinate with trifluoroacetic acid with selective removal of 2,5-bis(methylthio)-1,3,4-thiadiazole | Vidyanatha A. Prasad, Thomas Schmidt | 2000-03-07 |
| 6025514 | Process for preparing methyl dithiocarbazinate by reacting methyl bromide with the reaction product of carbon disulfide, hydrazine and an adjunct base | Dennis E. Jackman, David Erdman, Daniel M. Wasleski, Vijay C. Desai, Jeffrey D. Macke +1 more | 2000-02-15 |
| 6005114 | Process for making 2-(methylthio)-5(trifluoromethyl)-1,3,4,-thiadiazole using methyldithiocarbazinate with trifluoroacetic acid with selective removal of 2,5-bis(methylthio)-1,3,4-thiadiazole | Vidyanatha A. Prasad, Thomas Schmidt | 1999-12-21 |
| 5973180 | Process for the production of an N-acyl derivative of O,S-dialkyl phosphoroamidothioate | Vijay C. Desai, David Erdman, Klaus Jelich | 1999-10-26 |
| 5905157 | Process for producing 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole using methyldithiocarbazinate and trifluoroacetic acid | Vijay C. Desai, Vidyanatha A. Prasad, Herman Seifert | 1999-05-18 |
| 5895818 | Process for making N-(4-fluorophenyl)-N-(1-methylethyl)-2-(5-trifuloromethyl)-1,3,4-thiadi azol-2-yl)oxy!acetamide using an aprotic, aromatic solvent | Vidyanatha A. Prasad, Daniel M. Wasleski, Jacqueline M. Applegate, Klaus Jelich | 1999-04-20 |
| 5877339 | Process for preparing methyl dithiocarbazinate by reacting methyl bromide with the reaction product of carbon disulfide and hydrazine in an aqueous medium | Daniel M. Wasleski, Dennis E. Jackman, David Erdman, Jeffrey D. Macke, Vidyanatha A. Prasad +1 more | 1999-03-02 |
| 5831112 | Process for producing stable, low odor S,S,S-tributylphosphorothrithiote | Vidyanatha A. Prasad | 1998-11-03 |
| 5808152 | Synthesis of N-(4-fluorophenyl)-2-hydroxy-N-(1-methylethyl)acetamide using sodium formate | Vidyanatha A. Prasad, Jacqueline M. Applegate, David Erdman | 1998-09-15 |
| 5543543 | Process for preparing phosphorodichloridodithioates by reacting alkyl mercaptans with PCI.sub.3 PSCI.sub.3 and sulfur | Vidyanatha A. Prasad, Emerson L. Foote, Jr. | 1996-08-06 |
| 5527939 | Amine catalyzed reaction of alkyl mercaptans with thiophosphoryl chloride | Vidyanatha A. Prasad | 1996-06-18 |
| 5523449 | Process for preparing phosphorodichlorido-dithioates by reacting alkylmercaptans with phosphorus trichloride in the presence of sulfur | Vidyanatha A. Prasad, Emerson L. Foote, Jr. | 1996-06-04 |
| 5502190 | Process for the production of dialkyl pyrimidylphosphates | Daniel M. Wasleski, David Erdman | 1996-03-26 |
| 5466852 | Process for the production of S,S,S-tributylphosphorotrithioate | Vidyanatha A. Prasad | 1995-11-14 |
| 5464600 | Amine catalyzed reaction in the production of thiophosphoryl chloride | Vidyanatha A. Prasad, Jacqueline M. Applegate | 1995-11-07 |
| 5440038 | Process for the purification of substituted 4-amino-1,2,4-triazine-5-ones | Vidyanatha A. Prasad, David M. Mayes, Karl Steinbeck | 1995-08-08 |
| 5256802 | Process for the production of oxiranes | Jeffrey D. Macke, Karl Steinbeck | 1993-10-26 |
| 5189195 | Process for producing stable, low odor S,S,S-tributylphosphorotrithioate | Vidyanatha A. Prasad, Edward R. Levy | 1993-02-23 |
| 5183916 | Process for producing tri-N-butylphosphorotrithioite | Ara H. Zakaryan, Mark A. Tice | 1993-02-02 |
| 5118842 | Method to prepare trimethylsulfonium halides | Jeffrey D. Macke, Karl Steinbeck, Daniel M. Wasleski | 1992-06-02 |
| 4978795 | Method to prepare trimethylsulfonium halides | Jeffrey D. Macke, Karl Steinbeck, Daniel N. Wasleski | 1990-12-18 |