John Woodruffe

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Alberta, CA

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Patents Grantslast 30 patents

Information Patent Grant
Sulphur-containing fertilizers and process for the preparation thereof
- Patent number 8,702,834
- Issue date Apr 22, 2014
- Shell Oil Company
- Jany Birgitta Maria Antens
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Sulphur-containing fertilizers and process for the preparation thereof
- Patent number 8,668,759
- Issue date Mar 11, 2014
- Shell Oil Company
- Jany Birgitta Maria Antens
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
SULPHUR-CONTAINING FERTILIZERS AND PROCESS FOR THE PREPARATION THEREOF
- Publication number 20110302973
- Publication date Dec 15, 2011
- Jany Birgitta Maria Antens
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
SULPHUR-CONTAINING FERTILIZERS AND PROCESS FOR THE PREPARATION THEREOF
- Publication number 20110302975
- Publication date Dec 15, 2011
- Jany Birgitta Maria Antens
- C05 - FERTILISERS MANUFACTURE THEREOF