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2025
|
Invention
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Solvent soluble polyimide powders and a method for making them. 50, LF50, LF) of from 30 to 250 μ... |
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2023
|
Invention
|
Melt-processable polyimides with high glass transition temperature.
The present invention relate... |
|
|
Invention
|
Catalytic fibers and applications thereof.
Catalytic fibers are described herein and, in particu... |
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2022
|
Invention
|
Non-toxic polyimide solutions.
The invention relates to new polyimide solutions having ecologica... |
|
|
Invention
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Composite membranes comprising a selective separation layer comprising polybenzoxazole. The inven... |
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2021
|
Invention
|
A facility and a membrane process for separating methane and carbon dioxide from a gas stream. A ... |
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2020
|
Invention
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Method for oxidizing a 1,1,-bis-(3,4-dimethylphenyl)-alkane to 3,3′,4,4′-benzophenone tetracarbox... |
|
|
Invention
|
A device and a membrane process for separating gas components from a gas stream having varying co... |
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2019
|
Invention
|
A device and a process for separating methane from a gas mixture containing methane, carbon dioxi... |
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2017
|
Invention
|
Method for producing polyimide membranes.
The invention concerns polyimide membranes, preferably... |
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2016
|
Invention
|
Flexibly adaptable membrane cartridges for the separation of fluids. The present invention relate... |
|
|
Invention
|
Hollow fibre membrane cartridge and module for the separation of fluids. The present invention re... |
|
|
Invention
|
Method for separating gases.
The invention relates to a special apparatus, in particular linkage... |
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2015
|
Invention
|
Process for separation of gases with reduced maintenance costs. The invention relates to a specif... |
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2014
|
Invention
|
Polyimide powder having high thermooxidative stability. The invention relates to shaped bodies ha... |
|
|
Invention
|
Highly-selective polyimide membranes with increased permeance, said membranes consisting of block... |
|
|
Invention
|
Method for producing polyimide membranes. The invention relates to polyimide membranes, preferabl... |
|
|
Invention
|
Membrane cartridge system. The present invention is related to a new membrane cartridge system co... |
|
|
Invention
|
Controlling the gas composition of a gas separation plant by means of diaphragms. The present inv... |
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2013
|
Invention
|
Control of gas composition of a gas separation system having membranes. The invention relates to ... |
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2012
|
Invention
|
Method for separating gases. The invention relates to a specific device, in particular a linkage ... |
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2011
|
Invention
|
Process for separation of gases. The invention relates to a specific apparatus, more particularly... |
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2010
|
Invention
|
Polyimide membranes made of polymerization solutions.
The invention relates to polyimide membran... |
|
|
Invention
|
Polyimide membranes made of polymerization solutions. The invention relates to polyimide membrane... |
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2008
|
Invention
|
Cross-linked polyimide membranes.
The present invention provides a method for improving the perf... |
|
|
Invention
|
Cross-linked polyimide membranes. The present invention provides a method for improving the perfo... |
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2006
|
Invention
|
Process for preparing 4,4′ difluorobenzophenone. Process for preparing 4,4′-difluorobenzophenone,... |
|
|
Invention
|
Process for preparing 4,4'-difluorobenzophenone. Process for preparing 4, 4'-difluorobe... |
|
|
Invention
|
Process for preparing a block copolymer from polyimides and use of the block copolymer for produc... |
|
1998
|
P/S
|
[ filter bags made from polymer fibers for air filters used in industrial installation ] textile ... |
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P/S
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Plastic solutions; plastics in powder form, in particular polymer powders. Plastics in extruded f... |
