Inventor · disambiguated record
Hans-Joachim Sandhagen
Also filed as: SANDHAGEN HANS-JOACHIM
3 granted patents·43 citations·filing 1978–1994
70Inventor score
Technology areasC08G
Files withBAYER AG3
Top patents by PatentIndex Score
3 records- 0179US4143072AProcess for the purification of polyethers using a tubular coil evaporatorBAYER AG·Filed 1978·Granted Mar 6, 1979·26 cites·7 claims
- 0262US5625045AProcess for the production of low viscosity high functionality, light colored polyethers based on sucroseBAYER AG·Filed 1994·Granted Apr 29, 1997·15 cites·9 claims
- 0332US5105019AProcess for the removal of catalysts for polyether polyolsBAYER AG·Filed 1990·Granted Apr 14, 1992·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →