Willi R. Steckelberg

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E. Greenwich, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Soil repellent fluorinated esters of multi-ring anhydride systems
- Patent number 4,472,466
- Issue date Sep 18, 1984
- American Hoechst Corporation
- Michael G. Kelly
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...