Norbert Leppert

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Speyer, DE

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Patents Grantslast 30 patents

Information Patent Grant
Brightener mixtures based on bisstyryl compounds
- Patent number 5,695,686
- Issue date Dec 9, 1997
- BASF Aktiengesellschaft
- Manfred Hauptreif
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Bleaching cotton-containing fabrics with hypochlorite at elevated t...
- Patent number 4,622,037
- Issue date Nov 11, 1986
- BASF Aktiengesellschaft
- Werner Streit
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Agent for dissolving insoluble iron(III) compounds in highly alkali...
- Patent number 4,450,083
- Issue date May 22, 1984
- BASF Aktiengesellschaft
- Werner Streit
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...