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Alfred A. Guenkel
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Vancouver, CA
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Patents Grants
last 30 patents
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Patent Grant
Method of purifying nitrated aromatic compounds from a nitration pr...
Patent number
10,155,719
Issue date
Dec 18, 2018
Noram International Limited
Steven D. Buchi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of non-aromatic impurities from a nitration process
Patent number
9,139,509
Issue date
Sep 22, 2015
Noram International Limited
Alfred A. Guenkel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Integrated effluent treatment process for nitroaromatic manufacture
Patent number
6,288,289
Issue date
Sep 11, 2001
Noram Engineering and Constructors Ltd.
David Anthony Boyd
C07 - ORGANIC CHEMISTRY
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Patent Grant
Nitration process
Patent number
5,963,878
Issue date
Oct 5, 1999
Noram Engineering and Constructors Ltd.
Clive M. H. Brereton
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitration process
Patent number
5,313,009
Issue date
May 17, 1994
NRM International Technologies C.V.
Alfred A. Guenkel
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PURIFYING NITRATED AROMATIC COMPOUNDS FROM A NITRATION PR...
Publication number
20180155269
Publication date
Jun 7, 2018
NORAM International Limited
Steven D. Buchi
C01 - INORGANIC CHEMISTRY
Information
Patent Application
REMOVAL OF NON-AROMATIC IMPURITIES FROM A NITRATION PROCESS
Publication number
20130018210
Publication date
Jan 17, 2013
NORAM INTERNATIONAL LIMITED
Alfred A. Guenkel
C07 - ORGANIC CHEMISTRY