Inventor · disambiguated record
Ekkehard Wienhofer
Also filed as: WIENHOEFER EKKEHARD
7 granted patents·45 citations·filing 1979–1992
83Inventor score
Files withHUELS CHEMISCHE WERKE AG7
Top patents by PatentIndex Score
7 records- 0159US4254092AMethod for separating hydrogen chloride and hydrogen bromideHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Mar 3, 1981·10 cites·16 claims
- 0254US4419458AFire retardant fine particulate expandable styrene polymersHUELS CHEMISCHE WERKE AG·Filed 1983·Granted Dec 6, 1983·10 cites·4 claims
- 0349US4418156AFire retardant fine particulate expandable styrene polymersHUELS CHEMISCHE WERKE AG·Filed 1983·Granted Nov 29, 1983·10 cites·4 claims
- 0444US4407977AFire retardant particulate expandable styrene polymersHUELS CHEMISCHE WERKE AG·Filed 1982·Granted Oct 4, 1983·6 cites·6 claims
- 0542US4393146AFire retardant fine particulate expandable styrene polymersHUELS CHEMISCHE WERKE AG·Filed 1982·Granted Jul 12, 1983·7 cites·6 claims
- 0636US5321167AMethod of manufacturing nonionic surfactants low in alkylene oxides and low in 1,4-dioxane, using alkali metal alkoxides as catalystsHUELS CHEMISCHE WERKE AG·Filed 1992·Granted Jun 14, 1994·2 cites·11 claims
- 0726US5194641AMethod of manufacturing nonionic surfactants low in alkylene oxides and low in 1,4-dioxane, using alkali metal alkoxides as catalystsHUELS CHEMISCHE WERKE AG·Filed 1991·Granted Mar 16, 1993·0 cites·14 claims
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