Dieter Herzog

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Walsrode, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing methyl hydroxyalkyl cellulose ethers
- Patent number 5,360,902
- Issue date Nov 1, 1994
- Wolff Walsrode AG
- Oke Brauer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carboxymethylsulphoethyl celluloses and a process for their prepara...
- Patent number 5,001,232
- Issue date Mar 19, 1991
- Wolff Walsrode AG
- Dieter Herzog
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sulfoethyl cellulose of high solution quality and a process for its...
- Patent number 4,990,609
- Issue date Feb 5, 1991
- Wolff Walsrode AG
- Dieter Herzog
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Use of cellulose derivatives in drilling fluids
- Patent number 4,972,007
- Issue date Nov 20, 1990
- Wolff Walsrode AG
- Dieter Herzog
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...