Paul Wiesner

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Patents Grantslast 30 patents

Information Patent Grant
Process of scrubbing polyhydroxy phenols from gas
- Patent number 4,097,539
- Issue date Jun 27, 1978
- Metallgesellschaft Aktiengesellschaft
- Hans-Martin Stonner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for recovering pure, concentrated ammonia
- Patent number 4,060,591
- Issue date Nov 29, 1977
- Metallgesellschaft Aktiengesellschaft
- Alfred Garber
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing pure concentrated ammonia
- Patent number 4,049,782
- Issue date Sep 20, 1977
- Metallgesellschaft Aktiengesellschaft
- Fritz Wohler
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing monohydric and polyhydric phenols from waste w...
- Patent number 4,025,423
- Issue date May 24, 1977
- Metallgesellschaft Aktiengesellschaft
- Hans Martin Stonner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the treatment of phenol-containing waste water from coa...
- Patent number 3,972,693
- Issue date Aug 3, 1976
- Metallgesellschaft Aktiengesellschaft
- Paul Wiesner
- C01 - INORGANIC CHEMISTRY