Alexander Kehrmann

Person

Xanten, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Treatment of mill scale containing hydrocarbons
- Patent number 12,246,364
- Issue date Mar 11, 2025
- amaTEQ Holding GmbH
- Alexander Kehrmann
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Process for the purification of waste materials or industrial by-pr...
- Patent number 11,938,527
- Issue date Mar 26, 2024
- amaTEQ Holding GmbH
- Alexander Kehrmann
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Process for the purification of waste materials or industrial by-pr...
- Patent number 11,850,641
- Issue date Dec 26, 2023
- amaTEQ Holding GmbH
- Alexander Kehrmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing ferrous sulfate heptahydrate
- Patent number 7,097,816
- Issue date Aug 29, 2006
- Alexander Kehrmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hydraulic binder
- Patent number 7,005,007
- Issue date Feb 28, 2006
- Alexander Kehrmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Carrier substance for a hydraulic binder
- Patent number 6,740,156
- Issue date May 25, 2004
- Ferro-Duo GmbH
- Alexander Kehrmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PRODUCING IRON(II) SULFATE HEPTAHYDRATE
- Publication number 20250145490
- Publication date May 8, 2025
- AMATEQ Holding GmbH
- Alexander KEHRMANN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
TREATMENT OF MILL SCALE CONTAINING HYDROCARBONS
- Publication number 20230226581
- Publication date Jul 20, 2023
- AMATEQ Holding GmbH
- Alexander KEHRMANN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE PURIFICATION OF WASTE MATERIALS OR INDUSTRIAL BY-PR...
- Publication number 20200222954
- Publication date Jul 16, 2020
- FERRO DUO GMBH
- Alexander Kehrmann
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
METHOD FOR RECOVERING LANTHANUM FROM ZEOLITES CONTAINING LANTHANUM
- Publication number 20120087849
- Publication date Apr 12, 2012
- FERRO DUO GMBH
- Alexander Kehrmann
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Hydraulic Binder and a Chromate Reducer and Use Thereof
- Publication number 20080282939
- Publication date Nov 20, 2008
- Alexander Kehrmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Mixture of raw materials for the production of a cement clinker, a...
- Publication number 20070006778
- Publication date Jan 11, 2007
- Alexander Kehrmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Method of producing ferrous sulfate heptahydrate
- Publication number 20050281732
- Publication date Dec 22, 2005
- Alexander Kehrmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Hydraulic binder
- Publication number 20050011414
- Publication date Jan 20, 2005
- FERRO DUO GMBH
- Alexander Kehrmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Carrier substance for a hydraulic binder
- Publication number 20040025751
- Publication date Feb 12, 2004
- KLAUS KEHRMANN GMBH,
- Alexander Kehrmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Alexander Kehrmann

Person

Patents Grantslast 30 patents

Treatment of mill scale containing hydrocarbons

Process for the purification of waste materials or industrial by-pr...

Process for the purification of waste materials or industrial by-pr...

Method of producing ferrous sulfate heptahydrate

Hydraulic binder

Carrier substance for a hydraulic binder

Patents Applicationslast 30 patents

METHOD OF PRODUCING IRON(II) SULFATE HEPTAHYDRATE

TREATMENT OF MILL SCALE CONTAINING HYDROCARBONS

PROCESS FOR THE PURIFICATION OF WASTE MATERIALS OR INDUSTRIAL BY-PR...

METHOD FOR RECOVERING LANTHANUM FROM ZEOLITES CONTAINING LANTHANUM

Hydraulic Binder and a Chromate Reducer and Use Thereof

Mixture of raw materials for the production of a cement clinker, a...

Method of producing ferrous sulfate heptahydrate

Hydraulic binder

Carrier substance for a hydraulic binder