Jaroslav Melzer

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Ludwigshafen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing paper, pulpboard and cardboard
- Patent number 6,303,002
- Issue date Oct 16, 2001
- BASF Aktiengesellschaft
- Friedrich Linhart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for controlling the addition of retention aids in papermaking
- Patent number 4,952,280
- Issue date Aug 28, 1990
- BASF Aktiengesellschaft
- Ralf Hemel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Stabilized water-containing sodium dithionite formulations which ha...
- Patent number 4,676,961
- Issue date Jun 30, 1987
- BASF Aktiengesellschaft
- Max Appl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Water soluble crosslinked ethyleneimine grafted polyamidoamine
- Patent number 4,371,674
- Issue date Feb 1, 1983
- Otto Hertel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of water-soluble condensates and their use as crosslink...
- Patent number 4,328,142
- Issue date May 4, 1982
- BASF Aktiengesellschaft
- Otto Hertel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Retention aids and flocculants based on polyacrylamides
- Patent number 4,104,226
- Issue date Aug 1, 1978
- BASF Aktiengesellschaft
- Jaroslav Melzer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE