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EP1438356B1 - 1:2 metal complex dyes, their compositions, their production and their use - Google Patents
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Synthesis of Symmetric Bridged Bis-Pyrazolone Based Metal Complex Acid Dyes and their Applications on Leather | SpringerLink
![EP1438356B1 - 1:2 metal complex dyes, their compositions, their production and their use - Google Patents EP1438356B1 - 1:2 metal complex dyes, their compositions, their production and their use - Google Patents](https://patentimages.storage.googleapis.com/a4/e7/7f/d0756b1d061c08/imgb0020.png)
EP1438356B1 - 1:2 metal complex dyes, their compositions, their production and their use - Google Patents
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