US2838459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of solutions containing peroxygen compounds
Assignee: Pennwalt Corp
•
Filing: 1955-02-01
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Granted: 1958-06-10
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Expires: 1975-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Oliver S Sprout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:32
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3937; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A STABILIZED SOLUTION CONTAINING FOR EACH 33,333 PARTS OF SOLUTION A MAXIMUM OF ABOUT 2,500 PARTS BY WEIGHT (100% BASIS) OF A PEROXIDE COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND SODIUM PEROXIODE, ABOUT 8 PARTS TO ABOUT 2,500 PARTS BY WEIGHT OF AN ALKALI-METAL SILICATE, ANHYDROUS AND HYDRATED MAGNESIUM SALTS SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM SULFATE, MAGNESIUM CHLORIDE, MAGNESIUM NITRATE AND MAGNESIUM ACETATE IN A QUANTITY SUFFICIENT TO PROVIDE AT LEAST ABOUT 1 TO 67 PARTS BY WEIGHT OF MAGNESIUM, AND FOR EACH 1 PART OF AMGNESIUM, ABOUT 1 PART TO 5 PARTS BY WEIGHT OF AN ALKALI METAL POLYPHOSPHATE.
Claim 2
Dependent Claim
104 words
A STABILIZED SOLUTION CONTAINING FOR EACH 33,333 PARTS OF SOLUTION A MAXIMUM OF ABOUT 2,500 PARTS BY WEIGHT (100% BASIS) OF A PEROXIDE COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND SODIUM PEROXIODE, ABOUT 8 PARTS TO ABOUT 2,500 PARTS BY WEIGHT OF AN ALKALI-METAL SILICATE, ANHYDROUS AND HYDRATED MAGNESIUM SALTS SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM SULFATE, MAGNESIUM CHLORIDE, MAGNESIUM NITRATE AND MAGNESIUM ACETATE IN A QUANTITY SUFFICIENT TO PROVIDE AT LEAST ABOUT 1 TO 67 PARTS BY WEIGHT OF MAGNESIUM, AND FOR EACH 1 PART OF AMGNESIUM, ABOUT 1 PART TO 5 PARTS BY WEIGHT OF AN ALKALI METAL POLYPHOSPHATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |