William R. Pledger

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Pearland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of 1,3-propanediol via hydrogenation of 3-h...
- Patent number 5,786,524
- Issue date Jul 28, 1998
- Shell Oil Company
- Joseph Broun Powell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of making ketones
- Patent number 5,583,263
- Issue date Dec 10, 1996
- Shell Oil Company
- Duraisamy Muthusamy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of glycerine
- Patent number 4,053,525
- Issue date Oct 11, 1977
- Shell Oil Company
- David I. Saletan
- C07 - ORGANIC CHEMISTRY