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Michael Sell
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Weissdornstrasse, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the purification of aqueous peroxygen solutions, soluti...
Patent number
7,473,412
Issue date
Jan 6, 2009
Solvay (Societe Anonyme)
Robert Owen
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method of removing chlorine and halogen-oxygen compounds from water...
Patent number
5,779,915
Issue date
Jul 14, 1998
Solvay Umweltchemie GmbH
Arne Becker
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Catalytic fluidized bed process for treating aqueous liquids
Patent number
5,662,809
Issue date
Sep 2, 1997
Solvay Umweltchemie GmbH
Michael Bischoff
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of introducing hydrogen into aqueous liquids without forming...
Patent number
5,523,003
Issue date
Jun 4, 1996
Solvay Unmeltchemie GmbH
Michael Sell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Abrasion-resistant catalyst carrier formed of transition aluminas
Patent number
5,518,979
Issue date
May 21, 1996
Solvay Umweltchemie GmbH
Dirk Bonse
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Abrasion-resistant carrier catalyst
Patent number
5,507,956
Issue date
Apr 16, 1996
Solvay Unweltchemie GmbH
Dirk Bonse
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for treating waste water containing chlorinated organic com...
Patent number
5,393,428
Issue date
Feb 28, 1995
Solvay Deutschland GmbH
Wolfgang Dilla
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for gas treatment and degermination and apparatus for simul...
Patent number
5,391,297
Issue date
Feb 21, 1995
Solvay Umweltchemie GmbH
Michael Sell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Catalyst for removing the nitrite and/or nitrate content in water
Patent number
5,122,496
Issue date
Jun 16, 1992
Solvay Umweltchemie GmbH
Klaus-Dieter Vorlop
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Particulate material suitable for selectively separating metal cati...
Patent number
5,015,448
Issue date
May 14, 1991
GUTEC Gesellschaft zur Entwicklung von Umweltschutztechnologie mbH
Klaus-Dieter Vorlop
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for removing the nitrite and/or nitrate content in water
Patent number
4,990,266
Issue date
Feb 5, 1991
GUTEC: Gesellschaft zur Entwicklung von; Umweltschutztechnologie mbH
Klaus-Dieter Vorlop
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID
Publication number
20130287666
Publication date
Oct 31, 2013
SOLVAY S.A.
Dirk Verdoes
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for the purification of aqueous peroxygen solutions, soluti...
Publication number
20070095755
Publication date
May 3, 2007
Solvay (Societe Anonyme)
Robert Owen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL