Inventor · disambiguated record
Heinz Wittkus
Also filed as: WITTKUS HEINZ
7 granted patents·282 citations·filing 1980–1998
88Inventor score
Top patents by PatentIndex Score
7 records- 0196US4309523AWater-soluble copolymer of acrylamidomethylpropanesulfonic acids saltsCASSELLA FARBWERKE MAINKUR AG·Filed 1980·Granted Jan 5, 1982·83 cites·4 claims
- 0293US6013114AEnvironmentally friendly diesel fuelCLARIANT GMBH·Filed 1998·Granted Jan 11, 2000·90 cites·20 claims
- 0381US4357245AWater-soluble copolymer and its preparationCASSELLA FARBWERKE MAINKUR AG·Filed 1981·Granted Nov 2, 1982·30 cites·2 claims
- 0480US5510436AWater-soluble copolymers useful in drilling fluidsHOECHST AG·Filed 1994·Granted Apr 23, 1996·37 cites·22 claims
- 0580US4587283ACement slurries for deep holes, with a copolymer content for reducing the water lossHOECHST AG·Filed 1985·Granted May 6, 1986·36 cites·4 claims
- 0637US5830830AUse of acetal-containing mixturesCLARIANT GMBH·Filed 1995·Granted Nov 3, 1998·4 cites·19 claims
- 0729US5759963AUse of acetalsHOECHST AG·Filed 1993·Granted Jun 2, 1998·2 cites·17 claims
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