Patent US2958684A successfully refreshed from Google Patents.
US2958684A
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Method of processing hydrocarbon polymers to prevent agglomeration thereof
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-04-16
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Granted: 1960-11-01
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Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Kelley Roland Timothy
- 👤 Lewis William Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:01
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/124; C08F; C08F210/00; C08F210/04; C08F210/08; C08F210/10; C08F210/12; C08F6/00; C08F6/14; C08J2323/00; C08J2323/02; C08J2323/18; C08J2323/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PROCESS WHICH COMPRISES PREPARING A RUBBERY POLYMER OF A C4 TO C8 ISOOLEFIN SLURRIED IN A NON-AQUEOUS DILUENT: INTRODUCING SAID NON-AQUEOUS SLURRY INTO A FLASHING ZONE WITH AN AQUEOUS SOLUTION THEREIN CONSISTING OF 100 PARTS BY WT. OF WATER AND 0.01 TO 1.0 PART OD THE CONDENSATION PRODUCT OF TRIDECYL ALCOHOL WITH ETHYLENE OXIDE TO PREVENT AGGLOMERATION OF SAID POLYMER, FLASHING OFF SAID NON-AQUEOUS DILUENT IN THE ABSENCE OF ZINC STEARATE IN SAID FLASHING ZONE TO PROVIDE A FILTERABLE, AQUEOUS POLYMER SLURRY COMPRISING 0.005 TO 0.05 PART BY WT. OF SAID CONDENSATION PRODUCT PER 100 PARTS OF SAID POLYMER, AND RECOVERING SAID POLYMER FREE OF ANY ZINC STERATE ASH CONTENT THEREIN FROM SAID AQUEOUS SLURRY.
Claim 2
Dependent Claim
116 words
A PROCESS WHICH COMPRISES PREPARING A RUBBERY POLYMER OF A C4 TO C8 ISOOLEFIN SLURRIED IN A NON-AQUEOUS DILUENT: INTRODUCING SAID NON-AQUEOUS SLURRY INTO A FLASHING ZONE WITH AN AQUEOUS SOLUTION THEREIN CONSISTING OF 100 PARTS BY WT. OF WATER AND 0.01 TO 1.0 PART OD THE CONDENSATION PRODUCT OF TRIDECYL ALCOHOL WITH ETHYLENE OXIDE TO PREVENT AGGLOMERATION OF SAID POLYMER, FLASHING OFF SAID NON-AQUEOUS DILUENT IN THE ABSENCE OF ZINC STEARATE IN SAID FLASHING ZONE TO PROVIDE A FILTERABLE, AQUEOUS POLYMER SLURRY COMPRISING 0.005 TO 0.05 PART BY WT. OF SAID CONDENSATION PRODUCT PER 100 PARTS OF SAID POLYMER, AND RECOVERING SAID POLYMER FREE OF ANY ZINC STERATE ASH CONTENT THEREIN FROM SAID AQUEOUS SLURRY.
References Cited (Backward Citations)
US2462123A
Cited
US2608541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |