Van R. Gaertner
18Patents
8h-index
3Co-inventors
61Inventor score
Filing activity: Nov 19, 1974 → Dec 28, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3991095A | N-thiolcarbonyl derivatives of N-phosphonomethylglycine | Chemistry; Metallurgy | 20 | Expired |
| US4221583A | N-Phosphonomethylglycinonitrile and certain derivatives thereof | Human Necessities | 15 | Expired |
| US4094928A | Carbonylaldiminomethanephosphonates | Chemistry; Metallurgy | 14 | Expired |
| US4197254A | Derivatives of N-phosphonomethylglycine | Chemistry; Metallurgy | 13 | Expired |
| US4312662A | N-Substituted carboxy-N-phosphonomethylglycines and the salts thereof as herbicides | Chemistry; Metallurgy | 12 | Expired |
| US4047927A | N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine and the herbicidal use thereof | Chemistry; Metallurgy | 11 | Expired |
| US3933946A | N-hydroxy-N-phosphonomethylglycinates | Chemistry; Metallurgy | 11 | Expired |
| US4035177A | Herbicidal N-thiolcarbonyl derivatives of N-phosphonomethylglycine | Chemistry; Metallurgy | 8 | Expired |
| US4119430A | N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine and herbicidal compositions containing same | Human Necessities | 7 | Expired |
| US4203756A | Method for increasing the sucrose content of growing plants | Chemistry; Metallurgy | 7 | Expired |
| US4413125A | .alpha.-Hydroxy phosphonates | Chemistry; Metallurgy | 4 | Expired |
| US4211547A | N-Phosphonomethyliminodiacetonitrile and certain derivatives thereof | Chemistry; Metallurgy | 4 | Expired |
| US4650613A | Process for preparing N-phosphonomethylglycine and derivatives | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4251256A | Herbicidal N-substituted ethylene derivatives of N-phosphonomethylglycine | Chemistry; Metallurgy | 3 | Expired |
| US4105432A | Cyclized derivatives of N-(2-hydroxyalkyl)-N-phosphonomethylglycine compounds | Chemistry; Metallurgy | 2 | Expired |
| US4251257A | Herbicidal methods employing derivatives of N-phosphonomethylglycine | Chemistry; Metallurgy | 1 | Expired |
| US4475943A | Herbicidal .alpha.-hydroxy phosphonates | Chemistry; Metallurgy | 1 | Expired |
| US4063922A | N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine for treatment of sugarcane | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.