Knaggs; Edward A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Knaggs; Edward A..The latest application filed is for "sulfonation petroleum composition".
- Knaggs; Edward A. - Deerfield IL
| Patent | Date |
|---|---|
| Sulfonation petroleum composition Grant 4,390,474 - Nussbaum , et al. June 28, 1 | 1983-06-28 |
| Process for enhanced oil recovery employing petroleum sulfonates Grant 4,252,192 - Nussbaum , et al. February 24, 1 | 1981-02-24 |
| Process for sulfonation Grant 4,148,821 - Nussbaum , et al. April 10, 1 | 1979-04-10 |
| Domestic laundry fabric softener Grant 3,915,867 - Kang , et al. October 28, 1 | 1975-10-28 |
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