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Manfred Keller-Killewald
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Dormagen, DE
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last 30 patents
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Patent Grant
Method for producing 1,5-pentanediisocyanate in the gas phase
Patent number
10,329,248
Issue date
Jun 25, 2019
Covestro Deutschland AG
Josef Sanders
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing 1,5-pentanediisocyanate in the gas phase
Patent number
10,173,970
Issue date
Jan 8, 2019
Covestro Deutschland AG
Josef Sanders
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing polyisocyanates
Patent number
10,112,892
Issue date
Oct 30, 2018
Covestro Deutschland AG
Jürgen Arras
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and mixing unit for the preparation of isocyanates by phosg...
Patent number
8,079,752
Issue date
Dec 20, 2011
Bayer MaterialScience AG
Andreas Rausch
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the two-step production of dinitrotoluene
Patent number
6,984,762
Issue date
Jan 10, 2006
Bayer Aktiengesellschaft
Erwin Dieterich
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
METHOD FOR PRODUCING 1,5-PENTANEDIISOCYANATE IN THE GAS PHASE
Publication number
20190112259
Publication date
Apr 18, 2019
COVESTRO DEUTSCHLAND AG
Josef Sanders
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING POLYISOCYANATES
Publication number
20180179150
Publication date
Jun 28, 2018
COVESTRO DEUTSCHLAND AG
Jürgen Arras
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING ISOCYANATES IN THE GAS PHASE
Publication number
20170305842
Publication date
Oct 26, 2017
COVESTRO DEUTSCHLAND AG
Josef Sanders
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING 1,5-PENTANEDIISOCYANATE IN THE GAS PHASE
Publication number
20170283370
Publication date
Oct 5, 2017
COVESTRO DEUTSCHLAND AG
Josef Sanders
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process and mixing unit for the preparation of isocyanates by phosg...
Publication number
20090175121
Publication date
Jul 9, 2009
Bayer MaterialScience AG
Andreas Rausch
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the two-step production of dinitrotoluene
Publication number
20040267061
Publication date
Dec 30, 2004
Erwin Dieterich
C07 - ORGANIC CHEMISTRY