Inventor · disambiguated record
Werner Hefner
Also filed as: HEFNER WERNER
13 granted patents·507 citations·filing 1984–2001
94Inventor score
Files withBASF AG13
Top patents by PatentIndex Score
13 records- 0197US4551158ARemoval of CO2 and/or H2 S from gasesBASF AG·Filed 1984·Granted Nov 5, 1985·76 cites·4 claims
- 0296US4997630ARemoval of CO2 and/or H2 S from gasesBASF AG·Filed 1989·Granted Mar 5, 1991·91 cites·5 claims
- 0394US5705684APreparation of acrolein, acrylic acid or a mixture thereof from propaneBASF AG·Filed 1996·Granted Jan 6, 1998·71 cites·4 claims
- 0490US4999031ARemoving CO2 and, if necessary, H2 S from gasesBASF AG·Filed 1989·Granted Mar 12, 1991·88 cites·10 claims
- 0586US6278033B1Catalyst and process for purifying streams of materialsBASF AG·Filed 2000·Granted Aug 21, 2001·30 cites·5 claims
- 0685US5248427ARemoval of water from mixtures with alcohols and/or carboxylic acids and/or carboxylic estersBASF AG·Filed 1992·Granted Sep 28, 1993·33 cites·9 claims
- 0782US4859286AIsolation of 1,3-butadieneBASF AG·Filed 1988·Granted Aug 22, 1989·22 cites·4 claims
- 0878US6090977AContinuous heterogeneously catalyzed gas-phase partial oxidation of an organic compoundBASF AG·Filed 1996·Granted Jul 18, 2000·18 cites·12 claims
- 0976US6204218B1Catalyst and process for purifying streams of materialsBASF AG·Filed 1999·Granted Mar 20, 2001·38 cites·3 claims
- 1076US5684188AContinuous heterogeneously catalyzed gas-phase oxidation of propylene to acrolein, acrylic acid or a mixture thereofBASF AG·Filed 1996·Granted Nov 4, 1997·16 cites·10 claims
- 1175US5051188ARemoval of water from a mixture of water, CO2 and aminesBASF AG·Filed 1990·Granted Sep 24, 1991·16 cites·7 claims
- 1267US6712942B2Working up a mixture comprising alkene and oxygenBASF AG·Filed 2001·Granted Mar 30, 2004·3 cites·8 claims
- 1357US4569725ASeparation of a C4 -hydrocarbon mixture essentially containing n-butenes and butanesBASF AG·Filed 1984·Granted Feb 11, 1986·5 cites·8 claims
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