Assignee
CHEMPOLIS OY
FI·8 granted patents·1 pending application·134 citations·filing 1997–2023
Top patents by PatentIndex Score
9 records- 0193US6156156AMethod of producing pulp using single-stage cooking with formic acid and washing with performic acidCHEMPOLIS OY·Filed 1997·Granted Dec 5, 2000·66 cites·15 claims
- 0288US6955743B2Method for producing furfural, acetic acid and formic acid from spent pulp-cooking liquorCHEMPOLIS OY·Filed 2001·Granted Oct 18, 2005·29 cites·32 claims
- 0382US6503369B2Process for producing cellulose and fertilizer by-productCHEMPOLIS OY·Filed 2001·Granted Jan 7, 2003·13 cites·12 claims
- 0471US6252109B1Method for the recovery of formic acidCHEMPOLIS OY·Filed 2000·Granted Jun 26, 2001·6 cites·5 claims
- 0561US6562191B1Process for producing pulp with a mixture of formic acid and acetic acid as cooking chemicalCHEMPOLIS OY·Filed 1999·Granted May 13, 2003·12 cites·10 claims
- 0659US2025320324A1Method for preparing lignin-phenol-formaldehyde resins of controlled viscosityCHEMPOLIS OY·Filed 2023·Application pending·0 cites
- 0757US7097738B2Process for producing pulpCHEMPOLIS OY·Filed 2002·Granted Aug 29, 2006·1 cites·27 claims
- 0844US6923888B2Process for recovering organic acids from bleaching liquorsCHEMPOLIS OY·Filed 2001·Granted Aug 2, 2005·7 cites·20 claims
- 0926US10441897B2Process system for separating chemicals, distillation column arrangement, and method of separating chemicalsCHEMPOLIS OY·Filed 2015·Granted Oct 15, 2019·0 cites·27 claims
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