Assignee
CHEMREC AB
SE·15 granted patents·122 citations·filing 1991–2001
Top patents by PatentIndex Score
15 records- 0183US5486269AGasification of carbonaceous material in a reactor having a gasification zone and a combustion zoneCHEMREC AB·Filed 1994·Granted Jan 23, 1996·43 cites·16 claims
- 0264US7294225B2Process for production of synthesis gas in combination with the maintenance of the energy balance for a pulp millCHEMREC AB·Filed 2001·Granted Nov 13, 2007·11 cites·25 claims
- 0357US5683549AProcess for the partial combustion of cellulose spent liquor using twin fluid nozzle burnerCHEMREC AB·Filed 1994·Granted Nov 4, 1997·9 cites·18 claims
- 0453US5407455AReactor for gasification of cellulose-waste liquors especially black liquorCHEMREC AB·Filed 1993·Granted Apr 18, 1995·15 cites·10 claims
- 0552US5370771AProcess for recovering energy and chemicals from spent liquor using low frequency soundCHEMREC AB·Filed 1992·Granted Dec 6, 1994·9 cites·12 claims
- 0649US6790246B1Apparatus for gasification of spent liquorCHEMREC AB·Filed 2000·Granted Sep 14, 2004·4 cites·11 claims
- 0749US6780211B1Device for gasification of spent liquorCHEMREC AB·Filed 2000·Granted Aug 24, 2004·1 cites·16 claims
- 0845US5556605AMethod of seperating sulphur compoundsCHEMREC AB·Filed 1995·Granted Sep 17, 1996·7 cites·17 claims
- 0943US7217302B1Process for cooling solid and gaseous material during gasification of spent liquorCHEMREC AB·Filed 2000·Granted May 15, 2007·1 cites·14 claims
- 1043US6500301B1Apparatus for gasification of spent liquorCHEMREC AB·Filed 2000·Granted Dec 31, 2002·1 cites·30 claims
- 1142US5660685AGasifying black liquor with recycling of generated hydrogen sulphide gas to the gasifierCHEMREC AB·Filed 1994·Granted Aug 26, 1997·7 cites·10 claims
- 1238US5205908APurification of process gas from a partial combustion of black liquorCHEMREC AB·Filed 1991·Granted Apr 27, 1993·7 cites·7 claims
- 1337US5352333AProcess for the partial combustion of cellulose spent liquor using twin-fluid nozzle burnerCHEMREC AB·Filed 1991·Granted Oct 4, 1994·2 cites·17 claims
- 1431US5556602ADevice in a reactor for gasifying spent liquorCHEMREC AB·Filed 1993·Granted Sep 17, 1996·3 cites·9 claims
- 1530US5405496AProcess for the preparation of cooking liquors having high sulphidity for sulphate pulp cookingCHEMREC AB·Filed 1994·Granted Apr 11, 1995·2 cites·12 claims
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