Inventor · disambiguated record
Siegfried Riegger
Also filed as: RIEGGER SIEGFRIED
3 granted patents·148 citations·filing 1984–1990
75Inventor score
Files withBASF AG3
Top patents by PatentIndex Score
3 records- 0193US4540772AContinuous preparation of nylon from aqueous salt solution in precondensation zone having bafflesBASF AG·Filed 1984·Granted Sep 10, 1985·78 cites·9 claims
- 0289US4578455AProcess and apparatus for removing volatile constituents from polymer melts or pastesBASF AG·Filed 1985·Granted Mar 25, 1986·64 cites·1 claims
- 0340US5042740APressure spring for tape cassettes and tape cassettes having said springBASF AG·Filed 1990·Granted Aug 27, 1991·6 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →