Hans-Jurgen Meissner

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of shaped articles of stabilized polyca...
- Patent number 4,627,949
- Issue date Dec 9, 1986
- Bayer Aktiengesellschaft
- Rolf Dhein
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
High molecular weight aromatic polyesters and processes for their p...
- Patent number 4,482,694
- Issue date Nov 13, 1984
- Bayer Aktiengesellschaft
- Dieter Freitag
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst for the preparation of bisphenols
- Patent number 4,369,293
- Issue date Jan 18, 1983
- Bayer Aktiengesellschaft
- Frieder Heydenreich
- C07 - ORGANIC CHEMISTRY