Ralph J. Spohn

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Woodcliff Lake, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Molecular weight reduction of olefin copolymers using low-sulfur oils
- Patent number 6,362,286
- Issue date Mar 26, 2002
- Exxon Chemical Patents Inc.
- James Macfarlane Gardiner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified zeolite catalyst composition and process for alkylating to...
- Patent number 4,499,317
- Issue date Feb 12, 1985
- Exxon Research and Engineering Co.
- Huei-Cheng Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of isocyanates from esters of aromatic carbamic acids (u...
- Patent number 4,487,713
- Issue date Dec 11, 1984
- Exxon Research and Engineering Co.
- Ralph J. Spohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified zeolite catalyst composition for alkylating toluene with m...
- Patent number 4,483,936
- Issue date Nov 20, 1984
- Exxon Research and Engineering Co.
- Huei-Cheng Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbamate process
- Patent number 4,321,402
- Issue date Mar 23, 1982
- Exxon Research and Engineering Co.
- Ji-Yong Ryu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dual demetalling of oxo products with catalyst recycle
- Patent number 4,255,279
- Issue date Mar 10, 1981
- Exxon Research and Engineering Co.
- Ralph J. Spohn
- C07 - ORGANIC CHEMISTRY