Patent US2946756A successfully refreshed from Google Patents.
US2946756A
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Resins from epoxidized liquid polybutadiene and neutral esters of polybasic acids
Assignee: Phillips Petroleum Co
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Filing: 1957-12-13
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Granted: 1960-07-26
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Charles E Wheelock
- 👤 John E Wicklatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:46
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4078; C08C; C08C19/00; C08C19/30; C08C19/34; C08C19/40; C08G59/4064; C08G59/4085; C08G59/4092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A CURABLE COMPOSITION COMPRISING A MIXTURE OF 100 PARTS (A) EPOXIDIZED LIQUID POLYBUTADIENE CHARACTERIZED IN THAT THE ORIGINAL UNSATURATED PORTION OF THE MOLECULE IS CONVERTED BY THE EXPOXIDATION REACTION TO UNITS OF WHICH (1) 8 TO 70 PERCENT OF SAID UNITS ARE SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
48 words
A CURABLE COMPOSITION COMPRISING A MIXTURE OF 100 PARTS (A) EPOXIDIZED LIQUID POLYBUTADIENE CHARACTERIZED IN THAT THE ORIGINAL UNSATURATED PORTION OF THE MOLECULE IS CONVERTED BY THE EXPOXIDATION REACTION TO UNITS OF WHICH (1) 8 TO 70 PERCENT OF SAID UNITS ARE SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |