Walters; Harold C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walters; Harold C..The latest application filed is for "azeotropic compositions".
- Walters; Harold C. - Bartlesville OK
| Patent | Date |
|---|---|
| Azeotropic compositions Grant 4,157,979 - Walters June 12, 1 | 1979-06-12 |
| Flame retardants for synthetic resins Grant 4,155,900 - Walters May 22, 1 | 1979-05-22 |
| Acid anhydride to react with impurities in the production of perfluorocarboxylic acids Grant 4,038,310 - Bjornson , et al. July 26, 1 | 1977-07-26 |
| Production of perfluoro-n-heptane Grant 4,035,250 - Walters , et al. July 12, 1 | 1977-07-12 |
| Metal Petroleum Sulfonate Recovery Grant 3,666,795 - Walters May 30, 1 | 1972-05-30 |
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