US3208825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of hydrogen peroxide
Assignee: Shell USA Inc
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Filing: 1962-06-28
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Granted: 1965-09-28
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Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Meeker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:33
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
HYDROGEN PEROXIDE COMPOSITION CONSISTING ESSENTIALLY OF AQUEOUS HYDROGEN PEROXIDE AND STABILIZER THEREFOR CONTAINING SUFFICIENT WATER-SOLUBLE PARTIALLY NEUTRALIZED N,N-(DICARBOXYALKYL)AMINO-SUBSTITUTED CARBOXYCLIC COMPOUND HAVING A SATURATED CARBOCYCLIC RING WITH AT LEAST TWO ADJACENT RING CARBON ATOMS EACH DIRECTLY LINKED TO THE NITROGEN ATOMS OF A GROUP OF THE FORMULA
Claim 2
Dependent Claim
46 words
HYDROGEN PEROXIDE COMPOSITION CONSISTING ESSENTIALLY OF AQUEOUS HYDROGEN PEROXIDE AND STABILIZER THEREFOR CONTAINING SUFFICIENT WATER-SOLUBLE PARTIALLY NEUTRALIZED N,N-(DICARBOXYALKYL)AMINO-SUBSTITUTED CARBOXYCLIC COMPOUND HAVING A SATURATED CARBOCYCLIC RING WITH AT LEAST TWO ADJACENT RING CARBON ATOMS EACH DIRECTLY LINKED TO THE NITROGEN ATOMS OF A GROUP OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |