US2862905A
Expired / Lapsed
US
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Process for preparing a thermosetting resin from a sodium polymerized butadiene polymer
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-08-27
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Granted: 1958-12-02
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Expires: 1974-08-27
Abstract
No abstract record available.
Inventors
- 👤 Fred W Banes
- 👤 Anthony H Gleason
- 👤 Joseph F Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/14; C08L; C08L9/00; C08L9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR PREPARING A SOLID RESIN FROM A LIQUID SODIUM POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF BUTADIENE AND COPOLYMERS OF BUTADIENE WITH UP TO 50% STYRENE WHICH COMPRISES GRINDING A POLYMERIC RESIN SELECTED FROM THE GROU P CONSISTING OF HOMOPOLYMERS OF BUTADIENE AND COPOLYMERS OF BUTADIENE WITH STYRENE PREPARED BY THE SODIUM POLYMERIZATION OF THE AFORESAID MONOMERS TO THE OIL POLYMERIC FORM AND SUBSEQUENT RESINIFICATION WITH DITERTIARY BUTYL PEROXIDE TO A FINE POWDER, MIXING 10 TO 50% OF SAID POWDER WITH SAID SODIUM POLYMER AND HEATING THE MIXTURE AT A TEMPERATURE BETWEEN 110*C. AND 175*C. IN THE PRESENCE OF 2.0 TO 4.0% OF DITERTIARY BUTYL PEROXIDE.
Claim 2
Dependent Claim
110 words
A PROCESS FOR PREPARING A SOLID RESIN FROM A LIQUID SODIUM POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF BUTADIENE AND COPOLYMERS OF BUTADIENE WITH UP TO 50% STYRENE WHICH COMPRISES GRINDING A POLYMERIC RESIN SELECTED FROM THE GROU P CONSISTING OF HOMOPOLYMERS OF BUTADIENE AND COPOLYMERS OF BUTADIENE WITH STYRENE PREPARED BY THE SODIUM POLYMERIZATION OF THE AFORESAID MONOMERS TO THE OIL POLYMERIC FORM AND SUBSEQUENT RESINIFICATION WITH DITERTIARY BUTYL PEROXIDE TO A FINE POWDER, MIXING 10 TO 50% OF SAID POWDER WITH SAID SODIUM POLYMER AND HEATING THE MIXTURE AT A TEMPERATURE BETWEEN 110*C. AND 175*C. IN THE PRESENCE OF 2.0 TO 4.0% OF DITERTIARY BUTYL PEROXIDE.
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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |