Christian Heid

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Frankfurt am Main, DT

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Patents Grantslast 30 patents

Information Patent Grant
Oxidative after-treatment of materials dyed or printed with sulfur...
- Patent number 4,073,616
- Issue date Feb 14, 1978
- Cassella Farbwerke Mainkur Aktiengesellschaft
- Christian Heid
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
N-Acyloyl-N-alkyl-alkylenediamines as dye levelers
- Patent number 3,999,942
- Issue date Dec 28, 1976
- Cassella Farbwerke Mainkur Aktiengesellschaft
- Christian Heid
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...