Peter E. Newallis
25Patents
4h-index
20Co-inventors
63Inventor score
Filing activity: Nov 15, 1971 → Jun 21, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5523449A | Process for preparing phosphorodichlorido-dithioates by reacting alkylmercaptans with phosphorus trichloride in the presence of sulfur | Chemistry; Metallurgy | 21 | Expired |
| US6071858A | Stable, dry compositions for use as herbicides | Human Necessities | 11 | Expired |
| US5464600A | Amine catalyzed reaction in the production of thiophosphoryl chloride | Chemistry; Metallurgy | 5 | Expired |
| US6251350A | Process for the manufacture of thiophosphoryl chloride | Chemistry; Metallurgy | 4 | Expired |
| US6437189B1 | Synthesis of sulfoxides via selective oxidation of sulfides with a perborate or a percarbonate | Chemistry; Metallurgy | 3 | Expired |
| US5256802A | Process for the production of oxiranes | Chemistry; Metallurgy | 3 | Expired |
| US5183916A | Process for producing tri-N-butylphosphorotrithioite | Chemistry; Metallurgy | 2 | Expired |
| US5189195A | Process for producing stable, low odor S,S,S-tributylphosphorotrithioate | Chemistry; Metallurgy | 2 | Expired |
| US3972928A | Regulating plant growth with quaternary phosphonium aliphatic carboxamide salts | Chemistry; Metallurgy | 2 | Expired |
| US5877339A | Process for preparing methyl dithiocarbazinate by reacting methyl bromide with the reaction product of carbon disulfide and hydrazine in an aqueous medium | Chemistry; Metallurgy | 2 | Expired |
| US5118842A | Method to prepare trimethylsulfonium halides | Chemistry; Metallurgy | 1 | Expired |
| US6034245A | 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 | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6025514A | Process for preparing methyl dithiocarbazinate by reacting methyl bromide with the reaction product of carbon disulfide, hydrazine and an adjunct base | Chemistry; Metallurgy | 1 | Expired |
| US5440038A | Process for the purification of substituted 4-amino-1,2,4-triazine-5-ones | Chemistry; Metallurgy | 1 | Expired |
| US4978795A | Method to prepare trimethylsulfonium halides | Chemistry; Metallurgy | 1 | Expired |
| US6005114A | 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 | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5808152A | Synthesis of N-(4-fluorophenyl)-2-hydroxy-N-(1-methylethyl)acetamide using sodium formate | Chemistry; Metallurgy | 0 | Expired |
| US5543543A | Process for preparing phosphorodichloridodithioates by reacting alkyl mercaptans with PCI.sub.3 PSCI.sub.3 and sulfur | Chemistry; Metallurgy | 0 | Expired |
| US5831112A | Process for producing stable, low odor S,S,S-tributylphosphorothrithiote | Chemistry; Metallurgy | 0 | Expired |
| US5973180A | Process for the production of an N-acyl derivative of O,S-dialkyl phosphoroamidothioate | Chemistry; Metallurgy | 0 | Expired |
| US5895818A | 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 | Chemistry; Metallurgy | 0 | Expired |
| US5905157A | Process for producing 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole using methyldithiocarbazinate and trifluoroacetic acid | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5502190A | Process for the production of dialkyl pyrimidylphosphates | Chemistry; Metallurgy | 0 | Expired |
| US5466852A | Process for the production of S,S,S-tributylphosphorotrithioate | Chemistry; Metallurgy | 0 | Expired |
| US5527939A | Amine catalyzed reaction of alkyl mercaptans with thiophosphoryl chloride | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.