Willem Posthumus

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Endhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Sulphur cement products
- Patent number 9,174,872
- Issue date Nov 3, 2015
- Shell Oil Company
- Willem Posthumus
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for preparing a sulphur cement product
- Patent number 9,017,472
- Issue date Apr 28, 2015
- Shell Oil Company
- Paul de Boer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
SULPHUR CEMENT PRE-COMPOSITION AND SULPHUR CEMENT PRODUCT
- Publication number 20140083334
- Publication date Mar 27, 2014
- Guy Lode Magda Maria Verbist
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
SULPHUR CEMENT PRODUCTS
- Publication number 20140007792
- Publication date Jan 9, 2014
- Willem Posthumus
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
PROCESS FOR PREPARING A SULPHUR CEMENT PRODUCT
- Publication number 20120186493
- Publication date Jul 26, 2012
- Paul de Boer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
PROCESSES FOR PREPARING SULPHUR COMPOSITES AND ORGANOSILANE COUPLIN...
- Publication number 20110186774
- Publication date Aug 4, 2011
- Michael David Lankshear
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES