Henry Ledon
26Patents
7h-index
44Co-inventors
69Inventor score
Filing activity: Sep 12, 1988 → Mar 6, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5616335A | Stable thickened disinfecting aqueous composition containing an organic peroxy acid intended for human or animal use | Human Necessities | 113 | Expired |
| US5382571A | Clathrates of peroxyacids, their preparation and their uses | Chemistry; Metallurgy | 32 | Expired |
| US5932187A | Process for the preparation of an ultra pure hydrogen peroxide solution by ionic exchange in beds having defined H/D ratios | Chemistry; Metallurgy | 15 | Expired |
| US6274114A | Process for on-site production of ultra-high-purity hydrogen peroxide for the electronics industry | Chemistry; Metallurgy | 13 | Expired |
| US5928621A | Process for the preparation of an ultra pure solution of hydrogen peroxide by ion exchange with recycling | Chemistry; Metallurgy | 12 | Expired |
| US6001324A | Process for the preparation of an ultra pure hydrogen peroxide solution by ion exchange in the presence of acetate ions | Chemistry; Metallurgy | 11 | Expired |
| US5851402A | Process for the purification of hydrogen peroxide | Chemistry; Metallurgy | 7 | Expired |
| US5961947A | Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic | Chemistry; Metallurgy | 7 | Expired |
| US5589590A | Process for the preparation of cyclodextrins or other compounds capable of producing clathrates with a gas | Chemistry; Metallurgy | 5 | Expired |
| US5594150A | Process for the preparation of a secondary or tertiary hydroxylated amine compound from a primary or secondary amine compound and a product made by the process | Chemistry; Metallurgy | 5 | Expired |
| US7393380B2 | Method of guaranteeing at least one characteristic of a fluid used for producing food products | Physics | 4 | Expired |
| US5827493A | Process for producing hydrogen peroxide | Performing Operations; Transporting | 4 | Expired |
| US6113798A | Process for the purification of hydrogen peroxide | Chemistry; Metallurgy | 3 | Expired |
| US7452845B2 | Mesoporous organic-inorganic hybrid materials for separating gases | Chemistry; Metallurgy | 2 | Expired |
| US7517512B2 | Mesoporous organic-inorganic hybrid materials for separating gases | Chemistry; Metallurgy | 2 | Active |
| US4978802A | Process for production of aromatic aldehydes | Chemistry; Metallurgy | 2 | Expired |
| US6187189A | Process for the preparation of an ultrapure solution of hydrogen peroxide by ion exchange with recycling | Chemistry; Metallurgy | 2 | Expired |
| US4943422A | Process for treatment of gaseous effluents containing sulfur dioxide with oxygen | Performing Operations; Transporting | 1 | Expired |
| US5916532A | Plant for producing hydrogen peroxide | Performing Operations; Transporting | 1 | Expired |
| US7312327B2 | Method of preparing nitrogen macrocycles | Chemistry; Metallurgy | 1 | Expired |
| US6183638A | Plant for the preparation of an ultra pure hydrogen peroxide solution by ionic exchange in beds having defined H/D ratios | Chemistry; Metallurgy | 1 | Expired |
| US7659393B2 | Method of preparing cis-8b-methyldecahydro-2a,4a,6a,8a-tetraazacyclopenta[fg]acenaphthylene, cis-decahydro-2a,4a,6a,8a-tetraazacyclopenta[fg]acenaphthylene, cyclene and functionalised cyclenes | Chemistry; Metallurgy | 0 | Expired |
| US7276104B2 | Installation for producing products using a fluid | Performing Operations; Transporting | 0 | Expired |
| US8247392B2 | Materials for selective trapping of carbon monoxide | Chemistry; Metallurgy | 0 | Active |
| US6214225A | Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.