Inventor · disambiguated record
Ferdinand Von Praun
Also filed as: SCHNEIDER WOLFGANG · VON PRAUEN FERDINAND · VON PRAUN FERDINAND
8 granted patents·78 citations·filing 1975–1984
86Inventor score
Files withHUELS CHEMISCHE WERKE AG8
Top patents by PatentIndex Score
8 records- 0178US4259309AMethod for obtaining gaseous hydrogen chloride from dilute aqueous hydrochloric acidHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Mar 31, 1981·22 cites·14 claims
- 0278US4255356APurification of tertiary amines using an adsorbentHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Mar 10, 1981·14 cites·12 claims
- 0368US4272502AProcess for preparing gaseous hydrogen chloride from dilute aqueous hydrochloric acidHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Jun 9, 1981·22 cites·11 claims
- 0451US4571426AProcess for the production of maleic anhydrideHUELS CHEMISCHE WERKE AG·Filed 1984·Granted Feb 18, 1986·4 cites·10 claims
- 0551US4562264AProcess for the recovery of five-membered ring dicarboxylic acid anhydridesHUELS CHEMISCHE WERKE AG·Filed 1984·Granted Dec 31, 1985·4 cites·6 claims
- 0643US4337234AMethod for preparing sodium bicarbonate and hydrogen chlorideHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Jun 29, 1982·4 cites·18 claims
- 0738US4217106AAlkaline baths containing alkene sulfonates as wetting agentsHUELS CHEMISCHE WERKE AG·Filed 1977·Granted Aug 12, 1980·2 cites·9 claims
- 0833US3993605AFoam inhibited or attenuated washing, cleaning and rinsing agents for dishes and utensilsHUELS CHEMISCHE WERKE AG·Filed 1975·Granted Nov 23, 1976·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →