US2823101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hydroxylamine salts by reduction of nitric oxide
Assignee: BASF SE
•
Filing: 1955-03-29
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Granted: 1958-02-11
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Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jockers Kurt
- 👤 Wintersberger Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:05
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/14; C01B21/1409; C01B21/1418
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
IN THE PRODUCTION OF HYDROXYLAMINE SALTS, FORMING SAID SALTS BY REDUCTION OF NITRIC OXIDE WITH HYDROGEN IN AN ACID MEDIUM IN THE PRESENCE OF A CATALYST PREPARED BY ADDING TO A CATALYST CONTAINING PLATINUM METAL AT LEAST ONE COMPOUND OF AT LEAST ONE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF ARSENIC, ANTIMONY, BISMUTH, SULFUR, SELENIUM AND TELLURIUM, THE SAID COMPOUND BEING REDUCED UNDER THE CONDITIONS OF THE HYDROXYLAMINE PRODUCTION IN THE REACTION MEDIUM TO THE RESPECTIVE ELEMENT IN THE AFOREMENTIONED GROUP.
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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |