Xinhua Zhou

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of polyol polymer dispersions
- Patent number 6,143,802
- Issue date Nov 7, 2000
- Bayer Antwerp N.V.
- Donald W. Simroth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of polymer polyol dispersions
- Patent number 5,955,534
- Issue date Sep 21, 1999
- ARCO Chemical Technology, L.P.
- Donald W. Simroth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of polyol polymer dispersions
- Patent number 5,688,861
- Issue date Nov 18, 1997
- ARCO Chemical Technology, L.P.
- Donald W. Simroth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Semi-batch process for producing polymer polyols
- Patent number 5,488,085
- Issue date Jan 30, 1996
- ARCO Chemical Technology, L.P.
- John E. Hayes
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...