Erik Leonard Middelhoek

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GH Arnhem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Use of a porous, particulate material in a packed filter bed for li...
- Patent number 5,776,354
- Issue date Jul 7, 1998
- Akzo Nobel N.V.
- Abele Broer van der Meer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Use of synthetic granulate or powder for the removal of liquid, gas...
- Patent number 5,750,030
- Issue date May 12, 1998
- Nobelnv; Akzo
- Elwin Schomaker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Extraction of metal ions from an aqueous solution
- Patent number 5,738,791
- Issue date Apr 14, 1998
- Akzo Nobel N.V.
- Elwin Schomaker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL