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Patents Grants
last 30 patents
Information
Patent Grant
Polyimide membranes made of polymerization solutions
Patent number
10,118,136
Issue date
Nov 6, 2018
Evonik Fibres GmbH
Markus Ungerank
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Highly-selective polyimide membranes with increased permeance, said...
Patent number
10,040,036
Issue date
Aug 7, 2018
EVONIK FIBRES GmbH
Markus Ungerank
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing polyimide membranes
Patent number
9,873,093
Issue date
Jan 23, 2018
Evonik Fibres GmbH
Tymen Visser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Control of gas composition of a gas separation system having membranes
Patent number
9,770,687
Issue date
Sep 26, 2017
EVONIK FIBRES GmbH
Markus Ungerank
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Composite silicone membranes of high separation efficiency
Patent number
9,539,549
Issue date
Jan 10, 2017
Evonik Degussa GmbH
Rene Haensel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polyimide powder having high thermooxidative stability
Patent number
9,469,048
Issue date
Oct 18, 2016
Evonik Fibres GmbH
Markus Ungerank
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for separating gases
Patent number
9,314,735
Issue date
Apr 19, 2016
EVONIK FIBRES GmbH
Joerg Balster
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for separation of gases
Patent number
8,999,038
Issue date
Apr 7, 2015
Evonik Fibres GmbH
Markus Ungerank
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for preparing a block copolymer from polyimides and use of...
Patent number
7,812,099
Issue date
Oct 12, 2010
Evonik Fibres GmbH
Harald Rögl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing 4,4′ difluorobenzophenone
Patent number
7,687,668
Issue date
Mar 30, 2010
Evonik Fibres GmbH
Harald Rögl
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING POLYIMIDE MEMBRANES
Publication number
20180099251
Publication date
Apr 12, 2018
Evonik Fibres GmbH
Tymen Visser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
HIGHLY-SELECTIVE POLYIMIDE MEMBRANES WITH INCREASED PERMEANCE, SAID...
Publication number
20160317981
Publication date
Nov 3, 2016
EVONIK FIBERS GMBH
Markus UNGERANK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYIMIDE MEMBRANES MADE OF POLYMERIZATION SOLUTIONS
Publication number
20160310912
Publication date
Oct 27, 2016
EVONIK FIBRES GMBH
Markus Ungerank
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR SEPARATING GASES
Publication number
20160228828
Publication date
Aug 11, 2016
Evonik Fibres Gmbh
Joerg Balster
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING POLYIMIDE MEMBRANES
Publication number
20160144323
Publication date
May 26, 2016
Evonik Fibres GmbH
Tymen Visser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
CONTROL OF GAS COMPOSITION OF A GAS SEPARATION SYSTEM HAVING MEMBRANES
Publication number
20150336046
Publication date
Nov 26, 2015
Evonik Fibres GmbH
Markus Ungerank
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYIMIDE POWDER HAVING HIGH THERMOOXIDATIVE STABILITY
Publication number
20150166730
Publication date
Jun 18, 2015
Evonik Fibres Gmbh
Markus Ungerank
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR SEPARATING GASES
Publication number
20140345457
Publication date
Nov 27, 2014
Evonik Fibres Gmbh
Joerg Balster
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR SEPARATION OF GASES
Publication number
20130098242
Publication date
Apr 25, 2013
Evonik Fibres Gmbh
Markus Ungerank
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
COMPOSITE SILICONE MEMBRANES OF HIGH SEPARATION EFFICIENCY
Publication number
20120279922
Publication date
Nov 8, 2012
EVONIK DEGUSSA GmbH
Rene Haensel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYIMIDE MEMBRANES MADE OF POLYMERIZATION SOLUTIONS
Publication number
20120123079
Publication date
May 17, 2012
EVONIK FIBRES GMBH
Markus Ungerank
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for Preparing 4,4' Difluorobenzophenone
Publication number
20090177014
Publication date
Jul 9, 2009
Harald Rögl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing a block copolymer from polyimides and use of...
Publication number
20090143541
Publication date
Jun 4, 2009
Harald Rögl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...