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Joerg Kirchhoff
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Cologne, DE
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Patents Grants
last 30 patents
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Patent Grant
Ultra-high purity polycarbonates having good inherent color and the...
Patent number
10,435,507
Issue date
Oct 8, 2019
Covestro Deutschland AG
Thomas Koenig
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for removing volatile components from elastomer-containing m...
Patent number
9,925,693
Issue date
Mar 27, 2018
ARLANXEO Deutschland GmbH
Hanns-Ingolf Paul
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Degassing method, degassing device and use of screw elements
Patent number
9,738,770
Issue date
Aug 22, 2017
ARLANXEO Deutschland GmbH
Joerg Kirchhoff
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Degassing method, degassing device and use of screw elements
Patent number
9,487,635
Issue date
Nov 8, 2016
ARLANXEO Deutschland GmbH
Joerg Kirchhoff
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
ULTRA-HIGH PURITY POLYCARBONATES HAVING GOOD INHERENT COLOR AND THE...
Publication number
20180105644
Publication date
Apr 19, 2018
COVESTRO DEUTSCHLAND AG
Thomas Koenig
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
STUFFING SCREW
Publication number
20180015434
Publication date
Jan 18, 2018
ARLANXEO DEUTSCHLAND GMBH
Joerg KIRCHHOFF
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEGASSING METHOD, DEGASSING DEVICE AND USE OF SCREW ELEMENTS
Publication number
20170058095
Publication date
Mar 2, 2017
ARLANXEO DEUTSCHLAND GMBH
Joerg KIRCHHOFF
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR REMOVING VOLATILE COMPONENTS FROM ELASTOMER-CONTAINING M...
Publication number
20160023376
Publication date
Jan 28, 2016
LANXESS INTERNATIONAL SA
Hanns-Ingolf PAUL
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
DEGASSING METHOD, DEGASSING DEVICE AND USE OF SCREW ELEMENTS
Publication number
20150218335
Publication date
Aug 6, 2015
LANXESS Deutschland GmbH
Joerg Kirchhoff
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL