US2860162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of oxidation
Assignee: Saab Bofors AB
•
Filing: 1951-06-02
•
Granted: 1958-11-11
•
Expires: 1971-06-02
Abstract
No abstract record available.
Inventors
- 👤 Ekenstam Bo Thuresson Af
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:56
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
METHOD OF OXIDIZING A HYDROPHILIC CYCLIC COMPOUND HAVING AT LEAST ONE NUCLEARLY ATTACHED CARBON CONTAINING GROUP TO FORM A CARBOXYLIC ACID WHICH COMPRISES THE FOLLOWING STEPS: (A) FORMING A SOLUTION COMPRISING SAID COMPOUND AND NITRIC ACID, (B) MAINTAINING THE SAID SOLUTION IN A CLOSED ZONE, (C) ELEVATING THE TEMPERATURE OF THE SOLUTION TO INITIATE THE OXIDATION REACTION, AND (D) ALLOWING THE OXIDATION TO PROCEED TO COMPLETION OF (I) HIGH VELOCITY AND (II) UNDER SUPERATMOSPHERIC PRESSURE.
Claim 2
Dependent Claim
75 words
METHOD OF OXIDIZING A HYDROPHILIC CYCLIC COMPOUND HAVING AT LEAST ONE NUCLEARLY ATTACHED CARBON CONTAINING GROUP TO FORM A CARBOXYLIC ACID WHICH COMPRISES THE FOLLOWING STEPS: (A) FORMING A SOLUTION COMPRISING SAID COMPOUND AND NITRIC ACID, (B) MAINTAINING THE SAID SOLUTION IN A CLOSED ZONE, (C) ELEVATING THE TEMPERATURE OF THE SOLUTION TO INITIATE THE OXIDATION REACTION, AND (D) ALLOWING THE OXIDATION TO PROCEED TO COMPLETION OF (I) HIGH VELOCITY AND (II) UNDER SUPERATMOSPHERIC PRESSURE.
References Cited (Backward Citations)
DE216091C
Cited
BE494439A
Cited
GB189710810A
Cited
US1332028A
Cited
US1488730A
Cited
FR876196A
Cited
US2559147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |