US2959531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid resins from irradiated epoxidized liquid conjugated diene polymers
Assignee: Phillips Petroleum Co
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Filing: 1956-08-01
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Granted: 1960-11-08
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Expires: 1976-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charles E Wheelock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:29
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; C08J; C08J3/00; C08J3/28; C08J2315/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF PRODUCING A SOLID RESIN WHICH COMPRISES SUBJECTING AN EPOXIDIZED LIQUID POLYMER PRODUCED FROM CONJUGATED DIENES HAVING FROM 4 TO 12 CARBON ATOMS PER MOLECULE, SAID POLYMER CONTAINING FROM 1/25 TO 1 OXIRANE OXYGEN ATOM PER DOUBLE BOND OF THE ORIGINAL POLYMER, TO FROM 10**5 10**11 ROENTGENS OF HIGH ENERGY IONIZING RADIATION.
Claim 2
Independent Claim
54 words
THE METHOD OF PRODUCING A SOLID RESIN WHICH COMPRISES SUBJECTING AN EPOXIDIZED LIQUID POLYMER PRODUCED FROM CONJUGATED DIENES HAVING FROM 4 TO 12 CARBON ATOMS PER MOLECULE, SAID POLYMER CONTAINING FROM 1/25 TO 1 OXIRANE OXYGEN ATOM PER DOUBLE BOND OF THE ORIGINAL POLYMER, TO FROM 10**5 10**11 ROENTGENS OF HIGH ENERGY IONIZING RADIATION.
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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |