US2950175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous hydrogen peroxide containing a small stabilizing amount of nitrilotriacetic acid
Assignee: Columbia Southern Chemical Corp
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Filing: 1958-04-01
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Granted: 1960-08-23
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Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 Peter R Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:40
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AQUEOUS HYDROGEN PEROXIDE CONTAINING A SMALL STABILIZING AMOUNT OF NITRILOTRIACETIC ACID.
Claim 2
Dependent Claim
11 words
AQUEOUS HYDROGEN PEROXIDE CONTAINING A SMALL STABILIZING AMOUNT OF NITRILOTRIACETIC ACID.
References Cited (Backward Citations)
GB731238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |