Joannes B. Wijffels

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The Hague, NL

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Patents Grantslast 30 patents

Information Patent Grant
Moving catalyst bed reactor
- Patent number 4,568,523
- Issue date Feb 4, 1986
- Shell Oil Company
- Joannes B. Wijffels
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for the hydrogenation of heavy hydrocarbon oils
- Patent number 4,259,294
- Issue date Mar 31, 1981
- Shell Oil Company
- Wouter C. Van Zijll Langhout
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for the catalytic treatment of hydrocarbons
- Patent number 4,229,418
- Issue date Oct 21, 1980
- Shell Oil Company
- Joannes B. Wijffels
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus and process for the catalytic treatment of hydrocarbons
- Patent number 3,966,420
- Issue date Jun 29, 1976
- Shell Oil Company
- Abraham A. Pegels
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL