Inventor · disambiguated record
Bernard Cheminal
Also filed as: CHEMINAL BERNARD
24 granted patents·243 citations·filing 1979–2001
96Inventor score
Top patents by PatentIndex Score
24 records- 0191US5731481AProcess for the manufacture of 1,1,1,2-TetrafluoroethaneATOCHEM·Filed 1996·Granted Mar 24, 1998·45 cites·21 claims
- 0287US5523500AMass catalysts based on chromium and nickel oxides and their application to the fluorination of halogenated hydrocarbonsATOCHEM ELF SA·Filed 1995·Granted Jun 4, 1996·33 cites·17 claims
- 0383US5453551APurification of pentafluoroethaneATOCHEM ELF SA·Filed 1994·Granted Sep 26, 1995·20 cites·10 claims
- 0477US4579976ACatalytic process for the preparation of trifluoroacetaldehydeATOCHEM·Filed 1984·Granted Apr 1, 1986·12 cites·8 claims
- 0573US6242659B1Process for the manufacture of difluoromethaneATOCHEM ELF SA·Filed 1996·Granted Jun 5, 2001·12 cites·25 claims
- 0673US4643851AProcess for preparing trifluoroacetyl chlorideATOCHEM·Filed 1983·Granted Feb 17, 1987·11 cites·17 claims
- 0771US4579974ACatalytic process for the preparation of hexafluoroacetoneATOCHEM·Filed 1984·Granted Apr 1, 1986·10 cites·12 claims
- 0870US4310697AProcess for the manufacture of dimethylethylamineUGINE KUHLMANN·Filed 1980·Granted Jan 12, 1982·13 cites·11 claims
- 0966US5616820AProcess for the manufacture of 1,1,1,2-tetrafluoro-2-chloroethane and of pentafluoroethaneATOCHEM ELF SA·Filed 1995·Granted Apr 1, 1997·10 cites·23 claims
- 1065US5880049ARegeneration of catalysts for gas phase fluorinationATOCHEM ELF SA·Filed 1997·Granted Mar 9, 1999·19 cites·16 claims
- 1162US4849555ASynthesis of 1-chloro-1, 1-difluoroethaneATOCHEM·Filed 1988·Granted Jul 18, 1989·6 cites·12 claims
- 1261US4647706AProcess for the synthesis of 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropanolATOCHEM·Filed 1985·Granted Mar 3, 1987·7 cites·13 claims
- 1356US6639115B2Process for the manufacture of difluoromethaneATOFINA·Filed 2001·Granted Oct 28, 2003·1 cites·18 claims
- 1456US5430205AProcess for the purification of 1,1,1,2-tetrafluoroethaneATOCHEM ELF SA·Filed 1994·Granted Jul 4, 1995·5 cites·10 claims
- 1552US4248673AProcess for obtaining colorless and stable isophoroneUGINE KUHLMANN·Filed 1979·Granted Feb 3, 1981·4 cites·10 claims
- 1648US6395941B1Process for the purification of 1,1,1,2-tetrafluoroethaneATOCHEM ELF SA·Filed 1997·Granted May 28, 2002·3 cites·17 claims
- 1747US5705718AProcess for the purification of 1,1,1,2-tetrafluoroethaneATOCHEM ELF SA·Filed 1996·Granted Jan 6, 1998·3 cites·14 claims
- 1846US5055624ASynthesis of 1,1-dichloro-1,2,2,2-tetrafluoroethaneATOCHEM·Filed 1989·Granted Oct 8, 1991·8 cites·11 claims
- 1945US5932776AProcess for fluorination of perchloroethylene or of pentachloroethaneFiled 1996·Granted Aug 3, 1999·10 cites·16 claims
- 2038US4658070AProcess for the synthesis of 2,2,2-trifluoroethanolATOCHEM·Filed 1986·Granted Apr 14, 1987·1 cites·14 claims
- 2136US5354928AProcess for the manufacture of 1,1,1,2-tetrafluorochloroethane and of pentafluoroethaneATOCHEM·Filed 1993·Granted Oct 11, 1994·4 cites·16 claims
- 2233US5053564ASelective hydrogenolysis of perhalogenated ethane derivativesATOCHEM·Filed 1989·Granted Oct 1, 1991·3 cites·9 claims
- 2333US4745236ASynthesis of chloropentafluoroethaneATOCHEM·Filed 1986·Granted May 17, 1988·3 cites·17 claims
- 2429US4642386AProcess for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetalsATOCHEM·Filed 1985·Granted Feb 10, 1987·0 cites·8 claims
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