Helmut Kohler

Person

Duisburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of hydrogenated aromatic compounds and t...
- Patent number 4,427,526
- Issue date Jan 24, 1984
- Rutgerswerke Aktiengesellschaft
- Jurgen Stadelhofer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the preparation of highly aromatic pitchlike hydrocarbons
- Patent number 4,415,429
- Issue date Nov 15, 1983
- Rutgerswerke Aktiengesellschaft
- Jurgen Stadelhofer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the production of thionaphthene from thionaphthene sulf...
- Patent number 4,357,472
- Issue date Nov 2, 1982
- Rutgerswerke Aktiengesellschaft
- Georg Grigoleit
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of high grade carbonaceous binders
- Patent number 4,339,328
- Issue date Jul 13, 1982
- Rutgerswerke Aktiengesellschaft
- Jurgen Stadelhofer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Plasticized coal tar pitch, composition containing same and its use
- Patent number 4,304,606
- Issue date Dec 8, 1981
- Rutgerswerke Aktiengesellschaft
- Heinrich Louis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for obtaining sulfur free pure naphthalene from bituminous...
- Patent number 4,098,838
- Issue date Jul 4, 1978
- Rutgerswerke Aktiengesellschaft
- Georg Grigoleit
- C07 - ORGANIC CHEMISTRY

Helmut Kohler

Person

Patents Grantslast 30 patents

Process for the production of hydrogenated aromatic compounds and t...

Process for the preparation of highly aromatic pitchlike hydrocarbons

Process for the production of thionaphthene from thionaphthene sulf...

Process for the production of high grade carbonaceous binders

Plasticized coal tar pitch, composition containing same and its use

Process for obtaining sulfur free pure naphthalene from bituminous...