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Hans-Ernst Mehesch
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Essen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for the production of organic peroxides by means of a micror...
Patent number
7,968,753
Issue date
Jun 28, 2011
Ehrfeld Mikrotechnik BTS GmbH
Alexander Azzawi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for sealing out water leakage from geological rock formations
Patent number
5,560,736
Issue date
Oct 1, 1996
Bergwerksverband GmbH
Hans E. Mehesch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-containing, hardenable foam compositions with inorganic compo...
Patent number
5,312,486
Issue date
May 17, 1994
Frank Meyer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for strengthening geological formations
Patent number
4,965,292
Issue date
Oct 23, 1990
Bayer Aktiengesellschaft
Hanns P. Muller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for strengthening geological formations
Patent number
4,904,125
Issue date
Feb 27, 1990
Bayer Aktiengesellschaft
Manfred Schmidt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for strengthening geological formations
Patent number
4,792,262
Issue date
Dec 20, 1988
Bayer Aktiengesellschaft
Manfred Kapps
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for strengthening and sealing geological formations
Patent number
4,761,099
Issue date
Aug 2, 1988
Bayer Aktiengesellschaft
Max Mann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for consolidating and sealing off geological and artificial...
Patent number
RE31946
Issue date
Jul 16, 1985
Bergwerksverband GmbH
Frank Meyer
405 - Hydraulic and earth engineering
Information
Patent Grant
Method of fixation of anchoring bolts in boreholes
Patent number
4,525,103
Issue date
Jun 25, 1985
Bergwerksverband GmbH
Frank Meyer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of bonding roofbolt rods to boltholes
Patent number
4,497,595
Issue date
Feb 5, 1985
Bergwerksverband GmbH
Frank Meyer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for consolidation and sealing of geological formations and...
Patent number
4,475,847
Issue date
Oct 9, 1984
Bergwerksverband GmbH
Wolfgang Cornely
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for consolidating and sealing off geological and artificial...
Patent number
4,307,980
Issue date
Dec 29, 1981
Bergwerksverband GmbH
Frank Meyer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR THE PRODUCTION OF ORGANIC PEROXIDES BY MEANS OF A MICROR...
Publication number
20090043122
Publication date
Feb 12, 2009
Ehrfeld Mikrotechnik BTS GmbH
Alexander Azzawi
C07 - ORGANIC CHEMISTRY