Inventor · disambiguated record
Heinrich Hahn
Also filed as: HAHN HEINRICH
4 granted patents·45 citations·filing 1974–1979
74Inventor score
Top patents by PatentIndex Score
4 records- 0182US4142885AMethod of preparing fertilizers with retarded nutrient releaseVEBA CHEMIE AG·Filed 1977·Granted Mar 6, 1979·31 cites·14 claims
- 0253US4001377AMethod for producing stabilized ammonium nitrateVEBA CHEMIE AG·Filed 1974·Granted Jan 4, 1977·7 cites·10 claims
- 0343US4104362AProcess for the manufacture of ammonium polyphosphateVEBA CHEMIE AG·Filed 1976·Granted Aug 1, 1978·5 cites·10 claims
- 0436US4331465AProcess for the production of NPK fertilizers resistant to smoldering decomposition at elevated temperaturesHUELS CHEMISCHE WERKE AG·Filed 1979·Granted May 25, 1982·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Heinrich Hahn files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →