US2479241A
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Process for emulsifying polymerizable compounds and effecting polymerization with said emulsions
Assignee: Shell Development Co
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Filing: 1947-07-29
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Granted: 1949-08-16
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Expires: 1967-07-29
Abstract
No abstract record available.
Inventors
- 👤 Egbert C H Kolvoort
- 👤 Gerrit Akkerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:35
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; B; B01; B01F; B01F23/00; B01F23/40; B01F23/41; B01F23/4105; C08F36/00; C08F36/02; C08F36/04; C09; C09K; C09K23/00; C09K23/02; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |