US2497814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of peroxide solutions
Assignee: EIDP Inc
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Filing: 1947-04-17
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Granted: 1950-02-14
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Expires: 1967-04-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Elston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:29
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN THE MANUFACTURE AND STORAGE OF A HIGHSTRENGTH HYDROGEN PEROXIDE SOLUTION CONTAINING NOT LESS THAN ABOUT 50% BY WEIGHT OF HYDROGEN PEROXIDE, THE IMPROVEMENT WHICH COMPRISES ADJUSTING AND MAINTAINING THE PH OF SAID SOLUTION NOT MORE THAN 1 PH UNIT ABOVE, NOR MORE THAN 2 PH UNITS BELOW, THE PH AT WHICH THE GREATEST CHANGE IN PH WILL OCCUR ON THE ADDITION OF A SUBSTANCE FROM THE GROUP CONSISTING OF ACID AND BASE AND ADDING THERETO A HYDROGEN PEROXIDE STABILIZER.
Claim 2
Dependent Claim
80 words
IN THE MANUFACTURE AND STORAGE OF A HIGHSTRENGTH HYDROGEN PEROXIDE SOLUTION CONTAINING NOT LESS THAN ABOUT 50% BY WEIGHT OF HYDROGEN PEROXIDE, THE IMPROVEMENT WHICH COMPRISES ADJUSTING AND MAINTAINING THE PH OF SAID SOLUTION NOT MORE THAN 1 PH UNIT ABOVE, NOR MORE THAN 2 PH UNITS BELOW, THE PH AT WHICH THE GREATEST CHANGE IN PH WILL OCCUR ON THE ADDITION OF A SUBSTANCE FROM THE GROUP CONSISTING OF ACID AND BASE AND ADDING THERETO A HYDROGEN PEROXIDE STABILIZER.
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) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |