David B. Hatcher

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Cyclohexane extraction to remove chlorodibenzo-p-dioxins
- Patent number 4,228,309
- Issue date Oct 14, 1980
- David B. Hatcher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for treating cellulosic material
- Patent number 4,090,000
- Issue date May 16, 1978
- David B. Hatcher
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...