Inventor · disambiguated record
Herbert Haferkorn
Also filed as: HAFERKORN HERBERT
6 granted patents·49 citations·filing 1975–1984
81Inventor score
Top patents by PatentIndex Score
6 records- 0173US4547578AProcess for removing naphthoquinone from phthalic anhydride produced through air oxidation of naphthaleneHUELS CHEMISCHE WERKE AG·Filed 1984·Granted Oct 15, 1985·9 cites·9 claims
- 0264US4496710AProcess for the production of flat varnishesHUELS CHEMISCHE WERKE AG·Filed 1984·Granted Jan 29, 1985·5 cites·9 claims
- 0355US4036594AApparatus for recovering higher melting organic materials via fractional sublimationVEBA CHEMIE AG·Filed 1975·Granted Jul 19, 1977·18 cites·7 claims
- 0454US4252545AProcess for the fractional desublimation of pyromellitic acid dianhydrideHUELS CHEMISCHE WERKE AG·Filed 1978·Granted Feb 24, 1981·14 cites·11 claims
- 0535US4017520AProduction of maleic anhydride by azeotropic dehydration of maleic acid solutions derived from benzene oxidation processesVEBA CHEMIE AG·Filed 1975·Granted Apr 12, 1977·1 cites·2 claims
- 0633US4316977ACopolymer of maleic anhydride, dicyclopentadiene and vinylcyclohexene and its use as anionic paper surface sizing materialHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Feb 23, 1982·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →