Kerst; Al F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kerst; Al F..The latest application filed is for "substituted ethane diphosphonic acids and salts and esters thereof".
- Kerst; Al F. - Littleton CO
| Patent | Date |
|---|---|
| Substituted ethane diphosphonic acids and salts and esters thereof Grant 3,962,318 - Kerst June 8, 1 | 1976-06-08 |
| Substituted ethane diphosphonic acids and salts and esters thereof Grant 3,957,858 - Kerst May 18, 1 | 1976-05-18 |
| Flame Resistant Polyurethane Prepared By Adding An Ethane Diphosphonate Into The Urethane-forming Mixture Grant 3,664,975 - Kerst May 23, 1 | 1972-05-23 |
| Methods Of Scale Inhibition Grant 3,617,576 - Kerst November 2, 1 | 1971-11-02 |
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