US2950954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing acid salts of hydroxylamine
Assignee: Millennium Petrochemicals Inc
•
Filing: 1957-09-23
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Granted: 1960-08-30
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Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Irving L Mador
- 👤 Louis J Rekers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:21
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/14; C01B21/1409; C01B21/1454
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD FOR PREPARING AN ACID SALT OF HYDROXYLAMINE WHICH COMPRISES CATALYTICALLY HYDROGENATING A N-NITROSO DIALKYLAMINE WITH ELEMENTAL HYDROGEN IN AN ACID MEDIUM FROM THE GROUP CONSISTING OF HYDROCHLORIC ACID SULFURIC ACID, NITRIC ACID, ACETIC ACID AND OXALIC ACID AND IN THE PRESENCE OF AN ELEMENTAL NOBLE METAL FROM GROUP VIII, SAID N-NITROSO DIALKYLAMINE HAVE THE FORMULA RR''NNO WHEREIN R AND R ARE ALKYL GROUPS OF ONE TO SIX CARBON ATOMS TO PRODUCE THE HYDROXYLAMINE SALT OF SAID ACID.
Claim 2
Independent Claim
79 words
A METHOD FOR PREPARING AN ACID SALT OF HYDROXYLAMINE WHICH COMPRISES CATALYTICALLY HYDROGENATING A N-NITROSO DIALKYLAMINE WITH ELEMENTAL HYDROGEN IN AN ACID MEDIUM FROM THE GROUP CONSISTING OF HYDROCHLORIC ACID SULFURIC ACID, NITRIC ACID, ACETIC ACID AND OXALIC ACID AND IN THE PRESENCE OF AN ELEMENTAL NOBLE METAL FROM GROUP VIII, SAID N-NITROSO DIALKYLAMINE HAVE THE FORMULA RR''NNO WHEREIN R AND R ARE ALKYL GROUPS OF ONE TO SIX CARBON ATOMS TO PRODUCE THE HYDROXYLAMINE SALT OF SAID ACID.
References Cited (Backward Citations)
US2628888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |