Inventor · disambiguated record
Hans-Peter Biermann
Also filed as: BIERMANN HANS-PETER
5 granted patents·64 citations·filing 1980–1990
81Inventor score
Files withBAYER AG5
Top patents by PatentIndex Score
5 records- 0168US4491619AThermostable iron oxide pigmentsBAYER AG·Filed 1983·Granted Jan 1, 1985·23 cites·9 claims
- 0258US4470844AAgglomerated ferromagnetic iron particlesBAYER AG·Filed 1981·Granted Sep 11, 1984·14 cites·4 claims
- 0358US4325739AMagnetic metal and alloy pigmentsBAYER AG·Filed 1980·Granted Apr 20, 1982·13 cites·9 claims
- 0448US5185141AProcess for the production of iron oxide yellow pigmentsBAYER AG·Filed 1990·Granted Feb 9, 1993·10 cites·7 claims
- 0522US4897166AAntifoaming additive for acid liquidsBAYER AG·Filed 1988·Granted Jan 30, 1990·4 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →