Gerard Hillion
35Patents
14h-index
44Co-inventors
81Inventor score
Filing activity: Mar 6, 1974 → Jan 23, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5908946A | Process for the production of esters from vegetable oils or animal oils alcohols | Chemistry; Metallurgy | 120 | Expired |
| US4695411A | Process for manufacturing a composition of fatty acid esters useful as gas oil substitute motor fuel with hydrated ethyl alcohol and the resultant esters composition | Emerging Cross-Sectional Technologies | 78 | Expired |
| US4554397A | Process for manufacturing a linear olefin from a saturated fatty acid or fatty acid ester | Chemistry; Metallurgy | 42 | Expired |
| US7652156B2 | Refined method for manufacturing ethyl esters from fatty substances of natural origin | Emerging Cross-Sectional Technologies | 39 | Active |
| US6878837B2 | Process for producing alkyl esters from a vegetable or animal oil and an aliphatic monoalcohol | Chemistry; Metallurgy | 36 | Expired |
| US6147196A | Process for producing esters of fatty substances and the high purity esters produced | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7678932B2 | Process for co-producing olefins and esters by ethenolysis of unsaturated fats in non-aqueous ionic liquids | Chemistry; Metallurgy | 22 | Active |
| US7151187B2 | Process for transesterification of vegetable oils or animal oils by means of heterogeneous catalysts based on zinc or bismuth, titanium and aluminium | Chemistry; Metallurgy | 21 | Expired |
| US6013817A | Process for the production of ethyl esters | Chemistry; Metallurgy | 21 | Expired |
| US5424466A | Improved process for the production of esters from fatty substances having a natural origin | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5880298A | Process for oligomerization of polyunsaturated acids and esters, products obtained and use thereof | Chemistry; Metallurgy | 21 | Expired |
| US5756471A | Use of a sophorolipid to provide free radical formation inhibiting activity or elastase inhibiting activity | Human Necessities | 17 | Expired |
| US4271323A | Process for hydrogenating unsaturated compounds | Performing Operations; Transporting | 16 | Expired |
| US5958844A | Method of transporting hydrates suspended in production effluents | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7592470B2 | Process for transesterification of vegetable or animal oils using heterogeneous catalysts based on titanium, zirconium or antimony and aluminium | Emerging Cross-Sectional Technologies | 10 | Active |
| US4357478A | Process for hydrogenating unsaturated compounds | Performing Operations; Transporting | 9 | Expired |
| US7851643B2 | Method of manufacturing fatty acid ethyl esters from triglycerides and alcohols | Emerging Cross-Sectional Technologies | 9 | Active |
| US6221920A | Composition that can be used as an emulsifying and dispersing surface agent and its production process | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7420073B2 | Process for the alcoholysis of acid oils of vegetable or animal origin | Chemistry; Metallurgy | 6 | Expired |
| US6492430B1 | Methods of making emulsifying and dispersing surfactants and their use | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6476081B1 | Process for the manufacture of compositions which can be used as emulsifying and dispersing surfactants the compositions obtained and their uses | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5744046A | Process for the treatment of an aqueous medium polluted with hydrocarbons and a de-emulsifying and dispersing composition based on polyglycerol esters | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6452029B1 | Process for the codimerization of fatty substance dienes and olefins that are catalyzed by nickel complexes | Chemistry; Metallurgy | 4 | Expired |
| US3946087A | New process for hydrogenating ketones | Chemistry; Metallurgy | 3 | Expired |
| US4192960A | Process for manufacturing dicyclohexanol propane by hydrogenation of diphenol propane | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.