Hellmuth Spes

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Burghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the anilidization of carboxylic acid esters
- Patent number 4,201,715
- Issue date May 6, 1980
- Wacker-Chemie GmbH
- Wolfgang Deinhammer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous preparation of acetoacetamides
- Patent number 4,129,596
- Issue date Dec 12, 1978
- Wacker-Chemie GmbH
- Gerhard Kunstle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of crude acetic anhydride
- Patent number 4,107,002
- Issue date Aug 15, 1978
- Wacker-Chemie GmbH
- Herbert Eck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of phosphoric acid-dimethylamide-dichlor...
- Patent number 4,098,819
- Issue date Jul 4, 1978
- Wacker-Chemie GmbH
- Heinz Liberda
- C07 - ORGANIC CHEMISTRY