Inventor · disambiguated record
Donald E. Freepons
Also filed as: FREEPONS DONALD · FREEPONS DONALD E · FREEPONS DONALD ERNEST
8 granted patents·1 pending application·272 citations·filing 1983–2002
89Inventor score
Top patents by PatentIndex Score
9 records- 0192US4964894APlant growth regulators derived from chitinFREEPONS DONALD E·Filed 1989·Granted Oct 23, 1990·67 cites·48 claims
- 0290US4812159APlant growth regulators derived from chitinFREEPONS DONALD E·Filed 1987·Granted Mar 14, 1989·55 cites·43 claims
- 0389US4832728AFertilizer compositions, processes of making them, and pocesses of using themMELAMINE CHEMICALS INC·Filed 1985·Granted May 23, 1989·66 cites·27 claims
- 0480US4999048AMethod for reducing pesticide driftCANBRA FOODS LTD·Filed 1989·Granted Mar 12, 1991·28 cites·25 claims
- 0580US4560400AFertilizer compositions, processes of making them and processes of using themMELAMINE CHEMICALS INC·Filed 1983·Granted Dec 24, 1985·26 cites·5 claims
- 0663US5139555AFertilizer processes and compositions using s-triazinesMELAMINE CHEMICALS INC·Filed 1985·Granted Aug 18, 1992·20 cites·18 claims
- 0751US4559075AFertilizer processes and compositions using s-triazinesMELAMINE CHEMICALS INC·Filed 1983·Granted Dec 17, 1985·7 cites·6 claims
- 0845US2004121913A1''Secondary'' substances found in chitin crustacea shellFiled 2002·Application pending·0 cites
- 0938US4554003AFertilizer processes and compositions using s-triazinesMELAMINE CHEMICALS INC·Filed 1983·Granted Nov 19, 1985·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →