Eduard Perndorfer

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2,3-pyridinedicarboxylic acids
- Patent number 6,395,903
- Issue date May 28, 2002
- DSM Fine Chemicals Austria Nfg GmbH & CoKG
- Karlheinz Giselbrecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing glyoxylic esters and their hydrates
- Patent number 5,939,580
- Issue date Aug 17, 1999
- DSM Fine Chemicals Austria GmbH
- Engelbert Kloimstein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of o-phthalaldehyde
- Patent number 5,874,637
- Issue date Feb 23, 1999
- DSM Chemie Linz GmbH
- Karl Heinz Giselbrecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aqueous o-phthalaldehyde-glutaraldehyde solut...
- Patent number 5,872,153
- Issue date Feb 16, 1999
- DSM Chemie Linz GmbH
- Karl Heinz Giselbrecht
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the preparation of alpha, omega-alkanedioic acids
- Patent number 5,202,478
- Issue date Apr 13, 1993
- Chemie Linz Gesellschaft m.b.H.
- Karl Schermanz
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE PREPARATION OF 2,3-PYRIDINEICARBOXYLIC ACIDS
- Publication number 20020062025
- Publication date May 23, 2002
- Karlheinz Giselbrecht
- C07 - ORGANIC CHEMISTRY