Patent US3726800A successfully refreshed from Google Patents.
US3726800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of peroxydisulfate and peroxydiphosphate solutions
Assignee: FMC Corp
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Filing: 1970-08-21
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Granted: 1973-04-10
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Expires: 1990-08-21
Abstract
Abstract AQUEOUS SOLUTIONS OF PEROXYDISULFATES AND PEROXYDIPHOSPHATES ATE STABILIZIED BY THE ADDITION UREA, MOLECULAR OXYGEN, A VINYL MONOMER, OR OTHER SOLUTION-DISPERSIBLE AGENT WHICH IS REACTIVE WITH FREE RADICALS.
Inventors
- 👤 R Yelin
- 👤 R Villiers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:08
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3005; H03G3/301; H03G3/3015; D; D06; D06L; D06L1/00; D06L1/12; D06L1/14; D06L4/00; D06L4/10; D06L4/12; D06L4/13; H03G1/00; H03G1/0005; H03G1/0035; H03G1/0082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |