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Tobias Caesar Keller
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Bremgarten, CH
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last 30 patents
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Patent Grant
Process for the production of di- and polyamines of the diphenylmet...
Patent number
10,538,480
Issue date
Jan 21, 2020
Covestro Deutschland AG
Jürgen Arras
C07 - ORGANIC CHEMISTRY
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last 30 patents
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Patent Application
PROCESS FOR THE PRODUCTION OF DI- AND POLYAMINES OF THE DIPHENYLMET...
Publication number
20180002271
Publication date
Jan 4, 2018
COVESTRO DEUTSCHLAND AG
Jürgen Arras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PROCESS FOR THE PRODUCTION OF DI- AND POLYAMINES OF THE DIPHENYLMET...
Publication number
20170158798
Publication date
Jun 8, 2017
COVESTRO DEUTSCHLAND AG
Jürgen Arras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL