Inventor · disambiguated record
Wilhelm Heitmann
Also filed as: HEITMANN WILHELM
9 granted patents·309 citations·filing 1965–1994
90Inventor score
Top patents by PatentIndex Score
9 records- 0193US4541897ADistillation process for the production of dehydrated ethanolHUELS CHEMISCHE WERKE AG·Filed 1982·Granted Sep 17, 1985·125 cites·25 claims
- 0290US5360931AContinuous multi-stage process for the preparation of (cyclo) aliphatic diisocyanatesHUELS CHEMISCHE WERKE AG·Filed 1993·Granted Nov 1, 1994·48 cites·25 claims
- 0384US3960672AContinuous distillation process for purifying alkanolsVEBA CHEMIE AG·Filed 1974·Granted Jun 1, 1976·27 cites·8 claims
- 0482US5427759AMethod of recovering ammonia and compounds from offgases contaminated with organic materials, carbon dioxide, and ammoniaHUELS CHEMISCHE WERKE AG·Filed 1994·Granted Jun 27, 1995·54 cites·5 claims
- 0578US4329257AMethod of producing a catalyst from clay minerals for the hydration of olefinsHUELS CHEMISCHE WERKE AG·Filed 1980·Granted May 11, 1982·15 cites·12 claims
- 0674US4351970AMethod of preparing alcohols having two to four carbon atoms by catalytic hydration of olefinsVEBA CHEMIE AG·Filed 1980·Granted Sep 28, 1982·12 cites·14 claims
- 0772US4150245AHydration of olefins using vaporized phosphoric acidVEBA CHEMIE AG·Filed 1977·Granted Apr 17, 1979·9 cites·3 claims
- 0858US4380509AMethod for producing a catalyst for the hydration of olefinsHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Apr 19, 1983·14 cites·14 claims
- 0938US4036890APreparation of organic hydroperoxidesVEBA CHEMIE AG·Filed 1965·Granted Jul 19, 1977·5 cites·9 claims
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