Inventor · Valence, FR

Jean-Charles Viltard

51Patents
12h-index
59Co-inventors
83Inventor score

Filing activity: Jul 21, 1989 → Oct 21, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6645272B2 Process for deacidizing a gas by absorption in a solvent with temperature control Chemistry; Metallurgy 37 Expired
US5316628A Process and device for the simultaneous transfer of material and heat Emerging Cross-Sectional Technologies 36 Expired
US5368691A Reactive distillation process and apparatus for carrying it out Emerging Cross-Sectional Technologies 34 Expired
US6735979B2 Process for pretreating a natural gas containing acid gases Emerging Cross-Sectional Technologies 30 Expired
US5935547A Process for treating gas containing hydrogen sulfide and sulphur dioxide, comprising a step for depleting the recycled solvent in sulphur Performing Operations; Transporting 23 Expired
US5961933A Process and apparatus for operation of a slurry bubble column with application to the fischer-tropsch synthesis Performing Operations; Transporting 23 Expired
US6060524A Process and apparatus for operation of a slurry bubble column with application to the fischer-tropsch synthesis Performing Operations; Transporting 22 Expired
US6767388B2 Process for dehydrating and fractionating a low-pressure natural gas Mechanical Engineering; Lighting; Heating 17 Expired
US5073352A Apparatus for the low pressure reforming of gasolines with heating by smoke gases Performing Operations; Transporting 16 Expired
US6096789A Process for the preparation of hydrocarbons from synthesis gas Chemistry; Metallurgy 16 Expired
US5776320A Process and apparatus for reactive distillation with a particular distribution of liquid and vapour phases Emerging Cross-Sectional Technologies 14 Expired
US5888355A Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen Emerging Cross-Sectional Technologies 12 Expired
US6310108A Process for synthesis at atmospheric distillate that comprises the use of Fischer-Tropsch technology Chemistry; Metallurgy 12 Expired
US6596253B1 Regeneration of a desulfurizing catalytic solution by means of an ejector Emerging Cross-Sectional Technologies 12 Expired
US5951961A Process for treating a gas containing hydrogen sulphide and sulphur dioxide, comprising a step for eliminating sulphur by cooling a gaseous effluent Emerging Cross-Sectional Technologies 11 Expired
US5236663A Reaction-distillation apparatus and its use Emerging Cross-Sectional Technologies 9 Expired
US6068674A Removal of suspended fine particles from gases by turbulent deposition Emerging Cross-Sectional Technologies 9 Expired
US5969203A Process for the production of high purity isobutene combining reactive distillation with hydroisomerization, distillation and skeletal isomerization Emerging Cross-Sectional Technologies 8 Expired
US6143936A Process for producing an ether and an olefin from a hydrocarbon cut containing at least one tertiary olefin by synthesizing then decomposing an ether, comprising a first step for purifying the olefin by washing with water Chemistry; Metallurgy 8 Expired
US5498318A Reaction-distillation apparatus and its use Emerging Cross-Sectional Technologies 7 Expired
US6318119A High-pressure gas fractionating process and system Mechanical Engineering; Lighting; Heating 7 Expired
US5670123A Process for the extraction of hydrogen sulphide from a gas mixture Chemistry; Metallurgy 6 Expired
US4973401A Process and apparatus for the low pressure reforming of gasolines with heating by smoke gases Performing Operations; Transporting 6 Expired
US6210454A Apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide Emerging Cross-Sectional Technologies 5 Expired
US6063357A Process for purifying a gas containing hydrogen sulphide and sulphur dioxide Chemistry; Metallurgy 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.