Alfred Maierhofer

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Allensbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the purification of tryptophane and derivatives of tryp...
- Patent number 4,283,337
- Issue date Aug 11, 1981
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Theodor Lussling
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of benzoyl cyanide (I)
- Patent number 4,209,461
- Issue date Jun 24, 1980
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Herbert Klenk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of benzoyl cyanide (IV)
- Patent number 4,144,269
- Issue date Mar 13, 1979
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Herbert Klenk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of high purity S-carboxymethyl-L-cysteine
- Patent number 4,129,593
- Issue date Dec 12, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Alfred Maierhofer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sweet material
- Patent number 4,119,738
- Issue date Oct 10, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Hans Wagner
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the production of benzoyl cyanide (I)
- Patent number 4,113,773
- Issue date Sep 12, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Herbert Klenk
- C07 - ORGANIC CHEMISTRY