Gunter Lehmann

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Ludwigshafen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Fiberplates made of polyamines or polyamine-containing aminoplast r...
- Patent number 6,624,284
- Issue date Sep 23, 2003
- BASF Aktiengesellschaft
- Norbert Biedermann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of formaldehyde
- Patent number 4,584,412
- Issue date Apr 22, 1986
- BASF Aktiengesellschaft
- Albrecht Aicher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of glyoxal
- Patent number 4,242,282
- Issue date Dec 30, 1980
- BASF Aktiengesellschaft
- Hans Diem
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of diketones
- Patent number 4,235,823
- Issue date Nov 25, 1980
- BASF Aktiengesellschaft
- Christian Dudeck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Manufacture of aliphatic hydroxycarbonyl compounds etherified with...
- Patent number 4,233,246
- Issue date Nov 11, 1980
- BASF Aktiengesellschaft
- Christian Dudeck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of alkyl pyruvates
- Patent number 4,229,590
- Issue date Oct 21, 1980
- BASF Aktiengesellschaft
- Christian Dudeck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Manufacture of concentrated aqueous solutions of formaldehyde
- Patent number 4,119,673
- Issue date Oct 10, 1978
- BASF Aktiengesellschaft
- Albrecht Aicher
- C07 - ORGANIC CHEMISTRY