US3499844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing an aqueous hydrogen peroxide gel
Assignee: FMC Corp
•
Filing: 1967-08-21
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Granted: 1970-03-10
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Expires: 1987-08-21
Abstract
No abstract record available.
Inventors
- 👤 William H Kibbel Jr
- 👤 John A Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/042; A61K47/00; A61K47/30; A61K47/32; A61K8/18; A61K8/19; A61K8/22; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61Q; A61Q5/00; A61Q5/08; C; C01; C01B; C01B15/00; C01B15/01; A61K2800/00; A61K2800/40; A61K2800/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2886532A
Cited
GB827331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |