US2927934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified-hydrocarbon resin esters
Assignee: FMC Corp
•
Filing: 1956-08-20
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Granted: 1960-03-08
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Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 Frank P Greenspan
- 👤 Jr Rupert E Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:03
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1455; C08G59/1461; C08G59/1472; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C09; C09F; C09F7/00; C09F7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ESTER O 50 TO 15 PARTS OF AN EPOXIDIZED DIELS ALDER POLYCYCLOPENTADIENE HAVING AN EPOXY FUNCTIONALITY OF 2 TO 4 AND HAVING 3 TO 6 CYCLOPENTADIENE UNITS, AND 50 TO 85 PARTS OF A FATTY ACID FROM THE GROUP CONSISTING OF THE MONOMERS AND POLYMERS OF THE FATTY ACIDS HAVING 4 TO 24 CARBON ATOMS.
Claim 2
Dependent Claim
56 words
AN ESTER O 50 TO 15 PARTS OF AN EPOXIDIZED DIELS ALDER POLYCYCLOPENTADIENE HAVING AN EPOXY FUNCTIONALITY OF 2 TO 4 AND HAVING 3 TO 6 CYCLOPENTADIENE UNITS, AND 50 TO 85 PARTS OF A FATTY ACID FROM THE GROUP CONSISTING OF THE MONOMERS AND POLYMERS OF THE FATTY ACIDS HAVING 4 TO 24 CARBON ATOMS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |