US2882326A
Expired / Lapsed
US
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Separation of organic compounds using solid adsorbents containing adsorbed polynitro aromatic compounds
Assignee: Sunoco Inc
•
Filing: 1955-06-17
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Granted: 1959-04-14
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Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 James L Jezl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:33
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/152; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/103; B01J20/30; B01J20/3092; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3231; B01J20/3242; B01J20/3244; B01J20/3246; B01J20/3248; B01J20/3251; B01J20/3253; B01J2220/00; B01J2220/50; B01J2220/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
THE METHOD OF SEPARATING A CHARGE MIXTURE COMPOSED OF AROMATIC HYDROCARBONS HAVING DIFFERENT NUMBERS
Claim 2
Independent Claim
14 words
THE METHOD OF SEPARATING A CHARGE MIXTURE COMPOSED OF AROMATIC HYDROCARBONS HAVING DIFFERENT NUMBERS
References Cited (Backward Citations)
US2716113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |