Sjoerd ALKEMA

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Delfzil, NL

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of catalyst
- Patent number 10,189,012
- Issue date Jan 29, 2019
- Shell Oil Company
- David Allen Cooper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Preparation of catalyst
- Patent number 9,861,963
- Issue date Jan 9, 2018
- David Allen Cooper
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION OF CATALYST
- Publication number 20180117568
- Publication date May 3, 2018
- Shell Oil Company
- David Allen COOPER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION OF CATALYST
- Publication number 20140183098
- Publication date Jul 3, 2014
- Shell Oil Company
- David Allen COOPER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION OF SILICA-ALUMINA COMPOSITION
- Publication number 20140187411
- Publication date Jul 3, 2014
- PQ CORPORATION
- David Allen Cooper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL