US2908668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion polymerization with trisubstituted hydroperoxy methanes
Assignee: Phillips Petroleum Co
•
Filing: 1953-05-08
•
Granted: 1959-10-13
•
Expires: 1973-05-08
Abstract
No abstract record available.
Inventors
- 👤 William B Reynolds
- 👤 John E Wicklatz
- 👤 Thomas J Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:15
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F4/32; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS COMPRISING POLYMERIZING A MIXTURE CONTAINING AT LEAST ONE POLYMERIZABLE ORGANIC MONOMER CONTAINING A CH2=C< GROUP IN AQUEOUS CMULSION IN THE PRESENCE OF 0.1 TO 10 MILLIMOLS PER 100 PARTS BY WEIGHT OF MONOMERS OF AN ORGANIC HYDROPEROXIDE REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
43 words
A PROCESS COMPRISING POLYMERIZING A MIXTURE CONTAINING AT LEAST ONE POLYMERIZABLE ORGANIC MONOMER CONTAINING A CH2=C< GROUP IN AQUEOUS CMULSION IN THE PRESENCE OF 0.1 TO 10 MILLIMOLS PER 100 PARTS BY WEIGHT OF MONOMERS OF AN ORGANIC HYDROPEROXIDE 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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |