US2522889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of resinous compositions
Assignee: —
•
Filing: —
•
Granted: 1950-09-19
•
Expires: 1967-09-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:20
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/123; C08G61/00; C08G61/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
A PROCESS FOR PREPARING A NEW COMPOSITION OF MATTER WHICH CONSISTS IN THERMALLY REACTING A MIXTURE OF FROM ABOUT 99 TO 25 PARTS BY WEIGHT OF CYCLOPENTADIENE AND FROM ABOUT 1 TO 75 PARTS BY WEIGHT OF SATURATED FATTY ACID HAVING FROM TEN TO TWENTY-TWO CARBON ATOMS TO THE MOLECULE AT A TEMPERATURE OF FROM 400* TO 650*F. AND AT A SUPERATMOSPHERIC PRESSURE ADEQUATE TO MAINTAIN THE REACTANTS IN THE LIQUID PHASE IN THE ABSENCE OF A CATALYST.
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) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |