Gijsbert VAN DER Waal

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Bergambacht, NL

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Patents Grantslast 30 patents

Information Patent Grant
Complex esters, formulations comprising these esters and use thereof
- Patent number 6,462,001
- Issue date Oct 8, 2002
- Unichema Chemie BV
- Dirk Kenbeek
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Polyester viscosity index improver
- Patent number 5,314,634
- Issue date May 24, 1994
- Unilever Patent Holdings B.V.
- Dirk Kenbeek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixed synthetic ester lubricants as useful polymeric fiber lubricants
- Patent number 3,959,187
- Issue date May 25, 1976
- Emery Industries, Inc.
- Arie Dick Kardol
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...