Robert Zellerhoff

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Dinslaken, DE

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Patents Grantslast 30 patents

Information Patent Grant
Binder solutions for printing inks containing aromatic polymers wit...
- Patent number 6,166,126
- Issue date Dec 26, 2000
- Norbert Volkmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of hydroxy-aromatic substances
- Patent number 6,107,527
- Issue date Aug 22, 2000
- Rutgers Kureha Solvents GmbH
- Zbigniew Stec
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the oxidation of isoalkylaromatic hydrocarbons, and cat...
- Patent number 5,990,357
- Issue date Nov 23, 1999
- Rutgers Kureha Solvents GmbH
- Jan Zawadiak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel process
- Patent number 5,075,416
- Issue date Dec 24, 1991
- Rutgerswerke AG
- Peter Staglich
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Recovery of 2,6-dialkyl-naphthalene isomers
- Patent number 4,900,717
- Issue date Feb 13, 1990
- Rutgerswerke AG
- Wilhelm Holtmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of modified pitches and low boiling arom...
- Patent number 4,429,172
- Issue date Jan 31, 1984
- Rutgerswerke Aktiengesellschaft
- Robert Zellerhoff
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL