US2984654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil soluble copolymers of azomethines with unsaturated organic compounds
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-04-30
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Granted: 1961-05-16
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Peter J V J Agius
- 👤 Peter R Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:55
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN OIL-SOLUBLE COPOLYMER PREPARED BY COPOLYMERIZING A MIXTURE OF A COMPOUND HAVING UP TO 24 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF MONOOLEFINIC UNSATURATED CARBOXYLIC ACIDS AND ESTERS OF MONOOLEFINIC UNSATURATED CARBOXYLIC ACIDS, WITH AN ANIL WHICH IS THE REACTION PRODUCT OF AN AROMATIC AMINE AND AN ALDEHYDE, SAID ANIL MAKING UP FROM 1 TO 30 WEIGHT PERCENT OF SAID MIXTURE.
Claim 2
Dependent Claim
63 words
AN OIL-SOLUBLE COPOLYMER PREPARED BY COPOLYMERIZING A MIXTURE OF A COMPOUND HAVING UP TO 24 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF MONOOLEFINIC UNSATURATED CARBOXYLIC ACIDS AND ESTERS OF MONOOLEFINIC UNSATURATED CARBOXYLIC ACIDS, WITH AN ANIL WHICH IS THE REACTION PRODUCT OF AN AROMATIC AMINE AND AN ALDEHYDE, SAID ANIL MAKING UP FROM 1 TO 30 WEIGHT PERCENT OF SAID MIXTURE.
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |