US2501692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous emulsion polymerization of ethylenic unsaturates in the presence of diazo-thio-ethers
Assignee: Phillips Petroleum Co
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Filing: 1946-01-17
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Granted: 1950-03-28
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Expires: 1966-01-17
Abstract
No abstract record available.
Inventors
- 👤 William B Reynolds
- 👤 Ernest W Cotten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:28
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
IN A PROCESS OF POLYMERIZING BY ADDITION POLYMERIZTION AN ETHYLENICALLY UNSATURATED POLYMERIZABLE ORGANIC COMPOUND TO FORM A HIGH MOLECULAR WEIGHT LINEAR POLYMER, THE STEP WHICH COMPRISES POLYMERIZING SAID UNSATURATED ORGANIC COMPOUND IN AQUEOUS DISPERSION IN THE PRESENCE OF A DIAZO THIO-ETHER OF THE FORMULA.
Claim 2
Dependent Claim
44 words
IN A PROCESS OF POLYMERIZING BY ADDITION POLYMERIZTION AN ETHYLENICALLY UNSATURATED POLYMERIZABLE ORGANIC COMPOUND TO FORM A HIGH MOLECULAR WEIGHT LINEAR POLYMER, THE STEP WHICH COMPRISES POLYMERIZING SAID UNSATURATED ORGANIC COMPOUND IN AQUEOUS DISPERSION IN THE PRESENCE OF A DIAZO THIO-ETHER OF 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) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |