Inventor · disambiguated record
Friedbert Zetzsche
Also filed as: ZETZSCHE FRIEDBERT
4 granted patents·100 citations·filing 1981–1994
79Inventor score
Files withHENKEL KGAA4
Top patents by PatentIndex Score
4 records- 0178US5935920ACleaner with high wetting powerHENKEL KGAA·Filed 1994·Granted Aug 10, 1999·42 cites·19 claims
- 0265US5286402ADemulsifying powder-form or liquid cleaning preparations and their useHENKEL KGAA·Filed 1991·Granted Feb 15, 1994·26 cites·15 claims
- 0358US4784798ADemulsifying cleaning preparation having a prolonged surface-wetting effectHENKEL KGAA·Filed 1987·Granted Nov 15, 1988·22 cites·13 claims
- 0443US4539117AMethod for improving the separating action in the ultrafiltration of aqueous solutionsHENKEL KGAA·Filed 1981·Granted Sep 3, 1985·10 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →