Inventor · disambiguated record
Frank Doppenberg
Also filed as: DOPPENBERG FRANK
2 granted patents·187 citations·filing 1993–1998
68Inventor score
Files withGRANIT SA2
Top patents by PatentIndex Score
2 records- 0194US5595628AProduction of pulp by the soda-anthraquinone process (SAP) with recovery of the cooking chemicalsGRANIT SA·Filed 1993·Granted Jan 21, 1997·170 cites·28 claims
- 0254US6239198B1Method for preparing alkaline solutions containing aromatic polymersGRANIT SA·Filed 1998·Granted May 29, 2001·17 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →