Randall Wayne Stephens
27Patents
4h-index
23Co-inventors
63Inventor score
Filing activity: Oct 8, 1996 → Sep 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5886210A | Method for preparing aromatic compounds | Chemistry; Metallurgy | 49 | Expired |
| US6953540B2 | Continuous process for the preparation of encapsulated cyclopropenes | Chemistry; Metallurgy | 24 | Expired |
| US7858373B2 | Chemical markers | Emerging Cross-Sectional Technologies | 15 | Active |
| US6307094A | Process for substituted 3-hydroxybutyrate esters | Chemistry; Metallurgy | 6 | Expired |
| US11930817B2 | Wood preservatives | Performing Operations; Transporting | 2 | Active |
| US8252594B2 | Chemical markers | Emerging Cross-Sectional Technologies | 2 | Active |
| US5859254A | Process to chloroketones using oxazolines | Chemistry; Metallurgy | 2 | Expired |
| US7563934B2 | Preparation of MnB12H12 | Chemistry; Metallurgy | 2 | Active |
| US5874466A | Process for the manufacture of acetonylbenzamides | Chemistry; Metallurgy | 2 | Expired |
| US5679832A | Method for making .alpha.,.beta.-unsaturated-.beta.-trifluoromethyl-carboxylates and related compounds | Chemistry; Metallurgy | 2 | Expired |
| US6063929A | Method to prepare dihydrothiazoles | Chemistry; Metallurgy | 1 | Expired |
| US5936096A | Process to chloroketones using oxazolines | Chemistry; Metallurgy | 1 | Expired |
| US5922916A | Process to chloroketoamines using carbamates | Chemistry; Metallurgy | 1 | Expired |
| US9139540B1 | Method for preparation of 2-alkyl-1,2-benzisothiazolin-3-ones | Chemistry; Metallurgy | 1 | Active |
| US5969200A | Process for the manufacture of acetonylbenzamides | Chemistry; Metallurgy | 0 | Expired |
| US10098341B2 | Freeze stable tetrakis(hydroxymethyl) phosphonium sulfate formulations | Human Necessities | 0 | Active |
| US5783736A | Process for amines | Chemistry; Metallurgy | 0 | Expired |
| US8197836B2 | Solid microbicidal composition | Human Necessities | 0 | Active |
| US5945565A | Process for the manufacture of acetonylbenzamides | Chemistry; Metallurgy | 0 | Expired |
| US5977368A | Process to chloroketones using oxazolines | Chemistry; Metallurgy | 0 | Expired |
| US5932738A | Process to chloroketones using oxazolines | Chemistry; Metallurgy | 0 | Expired |
| US9988360B2 | Method for preparation of 2-methyl-1,2-benzisothiazolin-3-one | Chemistry; Metallurgy | 0 | Active |
| US5925763A | Process to chloroketones using oxazolines | Chemistry; Metallurgy | 0 | Expired |
| US5942621A | Process to chloroketones using oxazolines | Chemistry; Metallurgy | 0 | Expired |
| US12168307B2 | Wood preservatives | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.