Toivo Evilampi

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing lightproof titanium dioxide pigment
- Patent number 3,981,737
- Issue date Sep 21, 1976
- Kemira Oy
- Toivo Evilampi
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...