US3048568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing of alkali terminated polymers
Assignee: Phillips Petroleum Co
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Filing: 1959-07-13
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Granted: 1962-08-07
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 James W Cleary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:34
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/30; C08C19/42; C08C19/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR THE PREPARATION OF A SELF-CURING POLYMER WHICH COMPRISES REACTING A TERMINALLY REACTIVE POLYMER HAVING THE FORMULA PTX WHEREIN P COMPRISES A PLOYMER OF POLYMERIZABLE VINYLIDENE COMPOUNDS, SAID POLYMER HAVING CARBON TO CARBON UNSATURATION, IN THE MAIN POLYMER CHAIN, T IS A TERMINALLY POSITIONED ALKALI METAL, AND X IS AN INTEGER OF 1 TO 4, WITH A REACTANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF FIG-01 WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL RADICALS CONTAINING 1 TO 3 CARBON ATOMS, Y IS A DIVALENT ORGANIC RADICAL CONTAINING FROM 1 TO 12 CHAIN MEMBERS SELECTED FROM THE GROUP CONSISTING OF ALKYLENE RADICALS, ALKENYLENE RADICALS AND RADICLS CONTAINING GROUPS SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
120 words
A PROCESS FOR THE PREPARATION OF A SELF-CURING POLYMER WHICH COMPRISES REACTING A TERMINALLY REACTIVE POLYMER HAVING THE FORMULA PTX WHEREIN P COMPRISES A PLOYMER OF POLYMERIZABLE VINYLIDENE COMPOUNDS, SAID POLYMER HAVING CARBON TO CARBON UNSATURATION, IN THE MAIN POLYMER CHAIN, T IS A TERMINALLY POSITIONED ALKALI METAL, AND X IS AN INTEGER OF 1 TO 4, WITH A REACTANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF FIG-01 WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL RADICALS CONTAINING 1 TO 3 CARBON ATOMS, Y IS A DIVALENT ORGANIC RADICAL CONTAINING FROM 1 TO 12 CHAIN MEMBERS SELECTED FROM THE GROUP CONSISTING OF ALKYLENE RADICALS, ALKENYLENE RADICALS AND RADICLS CONTAINING GROUPS SELECTED FROM THE GROUP CONSISTING OF
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |