US2630426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of rosin soaps, and use of resulting soaps in emulsion polymerization
Assignee: Phillips Petroleum Co
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Filing: 1950-06-09
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Granted: 1953-03-03
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Expires: 1970-06-09
Abstract
No abstract record available.
Inventors
- 👤 Carl A Uraneck
- 👤 Spencer H Landes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:30
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN THE POLYMERIZATION OF A MONOMERIC MATERIAL COMPRISING 1,3-BUTADIENE WHILE DISPERSED IN AN AQUEOUS EMULSION IN THE PRESENCE OF AN EMULSIFYING AGENT UNDER POLYMERIZATION CONDITIONS TO PRODUCE SYNTHETIC RUBBER, IN THE PRESENCE OF AN INITIATOR COMPOSITION COMPRISING AN ORGANIC HYDROPEROXIDE AND AN ACTIVATOR-REDUCTANT COMPOSITION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID AQUEOUS MEDIUM PRIOR TO SAID POLYMERIZATION AS AN EMULSIFYING AGENT POTASSIUM ABIETATE WHICH HAS BEEN MIXED AND TREATED IN AQUEOUS SOLUTION HAVING A PH ABOVE 7 AND AT A TEMPERATURE OF FROM 100* F. TO THE BOILING POINT OF THE SOLUTION WITH 0.5 TO 20 MILLIMOLS OF HYDROGEN PEROXIDE PER PART BY WEIGHT OF SAID POTASSIUM ABIETATE.
Claim 2
Dependent Claim
108 words
IN THE POLYMERIZATION OF A MONOMERIC MATERIAL COMPRISING 1,3-BUTADIENE WHILE DISPERSED IN AN AQUEOUS EMULSION IN THE PRESENCE OF AN EMULSIFYING AGENT UNDER POLYMERIZATION CONDITIONS TO PRODUCE SYNTHETIC RUBBER, IN THE PRESENCE OF AN INITIATOR COMPOSITION COMPRISING AN ORGANIC HYDROPEROXIDE AND AN ACTIVATOR-REDUCTANT COMPOSITION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID AQUEOUS MEDIUM PRIOR TO SAID POLYMERIZATION AS AN EMULSIFYING AGENT POTASSIUM ABIETATE WHICH HAS BEEN MIXED AND TREATED IN AQUEOUS SOLUTION HAVING A PH ABOVE 7 AND AT A TEMPERATURE OF FROM 100* F. TO THE BOILING POINT OF THE SOLUTION WITH 0.5 TO 20 MILLIMOLS OF HYDROGEN PEROXIDE PER PART BY WEIGHT OF SAID POTASSIUM ABIETATE.
References Cited (Backward Citations)
US2434643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |