US3049495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peroxymonosulfate-diethylenetriamine pentaacetic acid composition
Assignee: EIDP Inc
•
Filing: 1959-07-01
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Granted: 1962-08-14
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Gordon I Jenkins
- 👤 Elbert V Kring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:09
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3937; C11D3/394; C11D3/16; C11D3/26; C11D3/33; C11D3/3942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITION CONSISTING ESSENTIALLY OF AN ALKALI METAL PEROXYMONOSULFATE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIETHYLENETRIAMINE PENTAACETIC ACID AND ALKALI METAL SALTS THEREOF, AT LEAST 0.01 PART BY WEIGHT OF SAID LAST NAMED COMPOUND BEING PRESENT FOR EACH PART BY WEIGHT OF SAID PEROXYMONOSULFATE.
Claim 2
Dependent Claim
47 words
A COMPOSITION CONSISTING ESSENTIALLY OF AN ALKALI METAL PEROXYMONOSULFATE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIETHYLENETRIAMINE PENTAACETIC ACID AND ALKALI METAL SALTS THEREOF, AT LEAST 0.01 PART BY WEIGHT OF SAID LAST NAMED COMPOUND BEING PRESENT FOR EACH PART BY WEIGHT OF SAID PEROXYMONOSULFATE.
References Cited (Backward Citations)
US2311314A
Cited
US2886534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |