Marcel Sychra

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Vienna, AT

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Patents Grantslast 30 patents

Information Patent Grant
Heat-stable polyimides and polyamide-imides with modified benzhydro...
- Patent number 5,378,799
- Issue date Jan 3, 1995
- Chemie Linz GmbH
- Gerhard Greber
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Soluble and/or fusible polyimides and polyamidoimides
- Patent number 5,164,476
- Issue date Nov 17, 1992
- Chemie Linz Gesellschaft m.b.H.
- Gerd Greber
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sulfur-containing aromatic tetracarboxylic acids and derivatives th...
- Patent number 5,126,462
- Issue date Jun 30, 1992
- Chemie Linz Gesellschaft m.b.H.
- Gerd Greber
- C07 - ORGANIC CHEMISTRY