Gerard Hotier
70Patents
17h-index
67Co-inventors
87Inventor score
Filing activity: Feb 15, 1983 → Jun 21, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5114590A | Continuous process and device for the chromatographic separation of a mixture of at least three constituents into three purified effluents by means of a single solvent at two different temperatures and/or at two different pressures | Performing Operations; Transporting | 54 | Expired |
| US5093004A | Continuous process and apparatus for chromatographic separation of a mixture of at least three constituents into three purified effluents using two solvents | Performing Operations; Transporting | 54 | Expired |
| US5284992A | Process and apparatus for the separation of p-xylene in C.sub.8 aromatic hydrocarbons with a simulated moving bed absorption and a crystallization | Chemistry; Metallurgy | 49 | Expired |
| US6060634A | Production of para-xylene from an effluent from paraselective toluene disproportionation using a crystallization process combined with simulated moving bed adsorption | Chemistry; Metallurgy | 44 | Expired |
| US5422007A | Method and apparatus for fractionation of a mixture on a simulated fluidized bed in the presence of a compressed gas, a supercritical fluid or a subcritical liquid | Performing Operations; Transporting | 41 | Expired |
| US6797175B2 | Device for injecting a diverted fluid into a simulated moving bed separation process | Performing Operations; Transporting | 40 | Expired |
| US6537451B1 | Rotary valve | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5569808A | Method for regulating a process for the separation of isomers of aromatic hydrocarbons having from 8 to 10 carbon atoms | Chemistry; Metallurgy | 31 | Expired |
| US5629467A | Process and apparatus for the separation of p-xylene in C.sub.8 aromatic hydrocarbons with a simulated moving bed adsorption and a crystallization | Chemistry; Metallurgy | 31 | Expired |
| US7915471B2 | Method for producing paraxylene comprising an adsortion step and two isomerization steps | Chemistry; Metallurgy | 24 | Active |
| US5401476A | Apparatus for the separation of p-xylene in C.sub.8 aromatic hydrocarbons with a simulated moving bed adsorption and a crystallization | Chemistry; Metallurgy | 22 | Expired |
| US5866740A | Production of para-xylene from an effluent from paraselective toluene disproportionation using a crystallization process combined with simulated moving bed adsorption | Chemistry; Metallurgy | 19 | Expired |
| US5948950A | Process for separating para-xylene, comprising an adsorption step with injection of water and a crystallization step | Chemistry; Metallurgy | 19 | Expired |
| US6149874A | Rinsing apparatus in a simulated moving bed adsorption unit, and the use thereof | Performing Operations; Transporting | 19 | Expired |
| US5972224A | Process and device for improving the purity of a product in a simulated fluid bed | Performing Operations; Transporting | 17 | Expired |
| US5882523A | Apparatus and process for flushing a simulated moving bed comprising at least two fluid distribution lines | Performing Operations; Transporting | 17 | Expired |
| US6338791B1 | High octane number gasolines and their production using a process associating hydro-isomerization and separation | Chemistry; Metallurgy | 17 | Expired |
| US6017448A | Apparatus and process for flushing a simulated moving bed comprising at least two fluid distribution lines | Performing Operations; Transporting | 17 | Expired |
| US6369287B1 | Process for co-production and separation of ethylbenzene and paraxylene | Chemistry; Metallurgy | 17 | Expired |
| US6376734B1 | Process for the production of at least one isomer of xylenes that comprise an adsorption stage and an isomerization stage with an euo-structural-type catalyst | Chemistry; Metallurgy | 16 | Expired |
| US5762806A | Process for simulated moving bed separation with a constant recycle rate | Performing Operations; Transporting | 14 | Expired |
| US6261458A | System for alternately merging at least four fluids and its application in a separation process in a simulated moving bed | Performing Operations; Transporting | 12 | Expired |
| US6110364A | Device for improving the purity of a product in a simulated fluid bed | Performing Operations; Transporting | 12 | Expired |
| US7288200B1 | System for injecting a by-pass fluid in a separation method in a simulated moving bed | Chemistry; Metallurgy | 11 | Expired |
| US5578216A | Chromatographic simulated mobile bed separation process with dead volume correction using length reduction | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.