US2606178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali sulfate salts of ethylene oxide condensation products as emulsifies for styrene polymerization
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-06-18
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Granted: 1952-08-05
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Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 Kosmin Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:48
CPC Classifications
C; C08; C08F; C08F12/00; C08F12/02; C08F12/04; C08F12/06; C08F12/08; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
THE PROCESS OF EMULSION OF POLYMERIZATION OF STYRENE WHEREIN THE EMULSIFIER IS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
16 words
THE PROCESS OF EMULSION OF POLYMERIZATION OF STYRENE WHEREIN THE EMULSIFIER IS REPRESENTED BY THE FORMULA
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) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |