US2551786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organic substances
Assignee: EIDP Inc
•
Filing: 1949-04-28
•
Granted: 1951-05-08
•
Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Charles B Biswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2283; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0042; C11B5/0057; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/18; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A COMPOSITION COMPRISING AN ORGANIC SUBSTANCE, BOILING ABOVE ATMOSPHERIC TEMPERATURES AT ATMOSPHERIC PRESSURES, NORMALLY SUBJECT TO DETERIORATION CAUSED BY THE ACTION OF MOLECULAR OXYGEN, CONTAINING A CATALYST OF THE GROUP CONSISTING OF COPPER, COBALT AND THERI COMPOUNDS, NORMALLY EFFECTIVE TO CATALYZE, OXIDATION OF SAID ORGANIC SUBSTANCE, AND HAVING INCORPORATED THEREIN ABOUT 0.0001% TO ABOUT 0.5% BY WEIGHT OF A METAL DEACTIVATOR HAVING THE FORMULA
Claim 2
Dependent Claim
64 words
A COMPOSITION COMPRISING AN ORGANIC SUBSTANCE, BOILING ABOVE ATMOSPHERIC TEMPERATURES AT ATMOSPHERIC PRESSURES, NORMALLY SUBJECT TO DETERIORATION CAUSED BY THE ACTION OF MOLECULAR OXYGEN, CONTAINING A CATALYST OF THE GROUP CONSISTING OF COPPER, COBALT AND THERI COMPOUNDS, NORMALLY EFFECTIVE TO CATALYZE, OXIDATION OF SAID ORGANIC SUBSTANCE, AND HAVING INCORPORATED THEREIN ABOUT 0.0001% TO ABOUT 0.5% BY WEIGHT OF A METAL DEACTIVATOR HAVING THE FORMULA
References Cited (Backward Citations)
US2282513A
Cited
US2353690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |