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Patent applications and USPTO patent grants for Browning; William C..The latest application filed is for "process for scavenging hydrogen sulfide in aqueous drilling fluids and method of preventing metallic corrosion of subterranean well drilling apparatuses".
Patent | Date |
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Process for scavenging hydrogen sulfide in aqueous drilling fluids and method of preventing metallic corrosion of subterranean well drilling apparatuses Grant 3,928,211 - Browning , et al. December 23, 1 | 1975-12-23 |
Oil Phase Drilling Fluid Additive, Composition And Process Grant 3,709,819 - Browning , et al. January 9, 1 | 1973-01-09 |
Composition And Process For Cross-linking Modified Carbohydrates With Chrome Sulfate And Lignin Grant 3,697,498 - Browning , et al. October 10, 1 | 1972-10-10 |
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