Ulrich Stewen

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Schwerte, DE

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Patents Grantslast 30 patents

Information Patent Grant
Overbased metal carbonate/carboxylate microemulsions and halogen-co...
- Patent number 6,835,328
- Issue date Dec 28, 2004
- Crompton Corporation
- Julius Fakinlede
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Monovinyltin trihalides and process for their preparation
- Patent number 5,817,851
- Issue date Oct 6, 1998
- Witco GmbH
- Andrea Kapries
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stable aqueous dispersions of dibutyltin oxide
- Patent number 5,807,802
- Issue date Sep 15, 1998
- Witco Corporation
- RoseMarie E. Stewart
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the stabilization of organotin halides by lactams and/o...
- Patent number 5,756,787
- Issue date May 26, 1998
- Witco GmbH
- Oliver Schumacher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing distannanes
- Patent number 5,298,641
- Issue date Mar 29, 1994
- Witco GmbH
- Ulrich Stewen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing trialkyl-tin hydrides
- Patent number 5,288,886
- Issue date Feb 22, 1994
- Witco GmbH
- Ralf-Jurgen Becker
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Liquid microemulsion stabilizer composition for halogen-containing...
- Publication number 20050101716
- Publication date May 12, 2005
- Ilze Bacaloglu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Overbased metal carbonate/carboxylate microemulsions and halogen-co...
- Publication number 20040102555
- Publication date May 27, 2004
- Julius Fakinlede
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...