Herbert Exner
11Patents
7h-index
24Co-inventors
58Inventor score
Filing activity: Feb 18, 1993 → Jul 21, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5259147A | Granular abrasive material | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5453365A | Preparation of lactates | Chemistry; Metallurgy | 24 | Expired |
| US5583086A | Cesium containing multimetal oxide catalyst compositions for the preparation of methacrolein by gas-phase-catalytic oxidation | Chemistry; Metallurgy | 18 | Expired |
| US6207022A | Purification of crude (meth) acrylic acid | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5945560A | Continuous preparation of alkyl esters of (meth) acrylic acid | Chemistry; Metallurgy | 9 | Expired |
| US5883288A | Continuous preparation of alkyl esters of (meth)acrylic acid | Chemistry; Metallurgy | 8 | Expired |
| US5734074A | Continuous preparation of alkyl esters of (meth) acrylic acid | Chemistry; Metallurgy | 7 | Expired |
| US5900125A | Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose | Chemistry; Metallurgy | 6 | Expired |
| US5811574A | Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose | Chemistry; Metallurgy | 5 | Expired |
| US5356460A | Removal of methacrolein from a gaseous mixture | Chemistry; Metallurgy | 2 | Expired |
| US5763643A | Preparation of alkyl esters of (meth)acrylic acid | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.