Karl H. Dorr

Person

Frankfurt am Main, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Structural part made of ferritic chromium-molybdenum steel which is...
- Patent number 5,030,415
- Issue date Jul 9, 1991
- Metallegesellschaft Aktiengesellschaft
- Karl-Heinz Dorr
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of purifying flue gases
- Patent number 5,030,428
- Issue date Jul 9, 1991
- Metallgesellschaft AG
- Karl-Heinz Dorr
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of purifying flue gases
- Patent number 4,910,011
- Issue date Mar 20, 1990
- Metallgesellschaft AG
- Karl-Heinz Dorr
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process of purifying flue gases
- Patent number 4,842,835
- Issue date Jun 27, 1989
- Metallgesellschaft Aktiengesellschaft
- Karl H. Dorr
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for cleaning flue gases
- Patent number 4,834,954
- Issue date May 30, 1989
- Bayer Aktiengesellschaft
- Karl H. Dorr
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process of drying sulfide ores in direct contact with hot drying gases
- Patent number 4,582,481
- Issue date Apr 15, 1986
- Metallgesellschaft Aktiengesellschaft
- Karl-Heinz Dorr
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of producing sulfuric acid
- Patent number 4,533,537
- Issue date Aug 6, 1985
- Metallgesellschaft Aktiengesellschaft
- Heinz Dittmar
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of producing concentrated sulfuric acid
- Patent number 4,368,183
- Issue date Jan 11, 1983
- Metallgesellschaft Aktiengesellschaft
- Karl-Heinz Dorr
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of producing sulfuric acid
- Patent number 4,333,917
- Issue date Jun 8, 1982
- Metallgesellschaft Aktiengesellschaft
- Karl H. Dorr
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of strengthening dilute phosphoric acid
- Patent number 4,330,364
- Issue date May 18, 1982
- Metallgesellschaft Aktiengesellschaft
- Walter Blumrich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of strengthening dilute phosphoric acid
- Patent number 4,276,116
- Issue date Jun 30, 1981
- Metallgesellschaft Aktiengesellschaft
- Walter Blumrich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing sulfuric acid from waste acid and iron sulfate
- Patent number 4,163,047
- Issue date Jul 31, 1979
- Metallgesellschaft Aktiengesellschaft
- Karl-Heinz Dorr
- C01 - INORGANIC CHEMISTRY

Karl H. Dorr

Person

Patents Grantslast 30 patents

Structural part made of ferritic chromium-molybdenum steel which is...

Process of purifying flue gases

Process of purifying flue gases

Process of purifying flue gases

Process for cleaning flue gases

Process of drying sulfide ores in direct contact with hot drying gases

Process of producing sulfuric acid

Process of producing concentrated sulfuric acid

Process of producing sulfuric acid

Process of strengthening dilute phosphoric acid

Process of strengthening dilute phosphoric acid

Process for producing sulfuric acid from waste acid and iron sulfate