Inventor · disambiguated record
Friedrich Neumann
Also filed as: NEUMANN FRIEDRICH · NEUMANN FRIEDRICH E
4 granted patents·34 citations·filing 1976–1981
71Inventor score
Top patents by PatentIndex Score
4 records- 0188US4053522APreparation of bisphenolsSHELL OIL CO·Filed 1976·Granted Oct 11, 1977·28 cites·7 claims
- 0234US4248602AProduction of phosphorus pentasulfide of predetermined reactivityHOECHST AG·Filed 1979·Granted Feb 3, 1981·3 cites·1 claims
- 0333US4419104APreparing P2 S5 of low reactivityHOECHST AG·Filed 1981·Granted Dec 6, 1983·3 cites·2 claims
- 0422US4396581AApparatus for making phosphorus pentasulfideHOECHST AG·Filed 1981·Granted Aug 2, 1983·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Friedrich Neumann 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 →