US3205285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonation of an olefin polymer
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-01-19
•
Granted: 1965-09-07
•
Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Albin F Turbak
- 👤 Noshay Allen
- 👤 Karoly Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:05
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/22; C; C08; C08F; C08F8/00; C08F8/34; C08F8/36; C08F8/44; D06P3/00; D06P3/79; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE PROCESS FOR SULFONATING AN ALPHA OLEFIN POLYMER COMPRISING THE STEPS OF REACTING AN ALPHA OLEFIN POLYMER IN A HYDROCARBON DILUENT WITH A MIXTURE OF AN C1-C18 TRIANGLE PHOSPHATE AND SULFUR TRIOXIDE AT A MOLE RATIO OF SULFUR TRIOXIDE TO TRIALKYL PHOSPHATE OF BELOW 2.7/1, AND AT A TEMPERATURE IN THE RANGE OF 30*C. TO 110*C. FOR A TIME SUFFICIENT TO PRODUCE A SULFONATED POLYMER HAVING FROM 0.1 TO 5 WT. PERCENT SULFUR THEREIN.
Claim 2
Dependent Claim
74 words
THE PROCESS FOR SULFONATING AN ALPHA OLEFIN POLYMER COMPRISING THE STEPS OF REACTING AN ALPHA OLEFIN POLYMER IN A HYDROCARBON DILUENT WITH A MIXTURE OF AN C1-C18 TRIANGLE PHOSPHATE AND SULFUR TRIOXIDE AT A MOLE RATIO OF SULFUR TRIOXIDE TO TRIALKYL PHOSPHATE OF BELOW 2.7/1, AND AT A TEMPERATURE IN THE RANGE OF 30*C. TO 110*C. FOR A TIME SUFFICIENT TO PRODUCE A SULFONATED POLYMER HAVING FROM 0.1 TO 5 WT. PERCENT SULFUR THEREIN.
References Cited (Backward Citations)
US2430569A
Cited
US2694086A
Cited
US2691644A
Cited
US2821522A
Cited
US2981720A
Cited
US3072618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |