Inventor · disambiguated record
Johannes De Graauw
Also filed as: DE GRAAUW JOHANNES
4 granted patents·1 pending application·31 citations·filing 1998–2004
73Inventor score
Top patents by PatentIndex Score
5 records- 0166US7127913B2Crystallisation of materials from aqueous solutionsKEMIRA GROWHOW OYJ·Filed 2000·Granted Oct 31, 2006·16 cites·19 claims
- 0255US7678237B2Heat integrated distillation columnUNIV DELFT TECH·Filed 2003·Granted Mar 16, 2010·11 cites·19 claims
- 0342US6890441B2Hydraulic annular washing column, and process for separating solids from a suspensionNIRO PROCESS TECHNOLOGY BV·Filed 2004·Granted May 10, 2005·2 cites·29 claims
- 0435US2004211725A1Fractionation of liquid mixtures using membrane contactorsJANSEN ALBERT EDWARD·Filed 2002·Application pending·0 cites
- 0530US6514475B1Process for the production of sodium carbonate anhydrateUNIV DELFT TECH·Filed 1998·Granted Feb 4, 2003·2 cites·12 claims
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