Karl Heinz Giselbrecht

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing L-aspartic acid
- Patent number 6,258,572
- Issue date Jul 10, 2001
- DSM Fine Chemicals Austria Nfg GmbH & CoKG
- Karl-Heinz Giselbrecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing L-aspartic acid
- Patent number 5,952,206
- Issue date Sep 14, 1999
- DSM Fine Chemicals Austria GmbH
- Karl-Heinz Giselbrecht
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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