Dennis E. Jackman
20Patents
2h-index
15Co-inventors
54Inventor score
Filing activity: Aug 26, 1980 → May 16, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6071858A | Stable, dry compositions for use as herbicides | Human Necessities | 11 | Expired |
| US4614822A | Catalytic oxidation of 3,3-dimethyl-2-hydroxybutyric acid to 2-oxo acid and preparation of 4-amino-6-tert.-butyl-3-thio-1,2,4-triazine-5(4-H)-one | Chemistry; Metallurgy | 3 | 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 |
| US4578463A | Production of S-substituted isothioureas | Chemistry; Metallurgy | 2 | Expired |
| US4642385A | Preparation of monochloropinacolone | Chemistry; Metallurgy | 1 | Expired |
| US5091568A | Oxygen-ruthenium oxide oxidation of 2-hydroxy-3,3-dimethyl-butanoic acid | Chemistry; Metallurgy | 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 |
| US6274766A | Process for purifying .alpha.-keto acids | Chemistry; Metallurgy | 0 | Expired |
| US6469175B1 | Methods of purifying 2-methylthio-5-trifluoromethyl-1,3,4-thiadiazole | Chemistry; Metallurgy | 0 | Expired |
| US6545172B1 | Processes for the production of methyl dithiocarbazinate | Chemistry; Metallurgy | 0 | Expired |
| US4940815A | Process for the production of thiocarbohydrazide | Chemistry; Metallurgy | 0 | Expired |
| US4659819A | Production of S-substituted isothioureas | Chemistry; Metallurgy | 0 | Expired |
| US4783531A | Production of S-substituted isothioureas | Chemistry; Metallurgy | 0 | Expired |
| US4946995A | Process for the production of thiocarbohydrazide | Chemistry; Metallurgy | 0 | Expired |
| US5408033A | Process for the preparation of an epoxide from ketones using an alcohol or ether catalyst | Chemistry; Metallurgy | 0 | Expired |
| US4943660A | Process for the production of thiocarbohydrazide | Chemistry; Metallurgy | 0 | Expired |
| US4954627A | Process for desulfurization of isothioureas and isothioamides | Chemistry; Metallurgy | 0 | Expired |
| US6686501B2 | Processes for preparing 3.3-dimethylbutyric acid | Chemistry; Metallurgy | 0 | Expired |
| US6222045A | Process for manufacturing substituted triazolinones | Chemistry; Metallurgy | 0 | Expired |
| US6852857B2 | Method of preparing substituted 4-amino-3-alkylthio-1,2,4-triazine-5-ones | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.