Patent US3046258A successfully refreshed from Google Patents.
US3046258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diallyl alkyl esters of benzenepolycarboxylic acids
Assignee: Standard Oil Co
•
Filing: 1959-04-24
•
Granted: 1962-07-24
•
Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 Hodes William
- 👤 Richard E Van Strien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:35
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COPOLYMERIC RESIN PREPARED BY COPOLYMERIZING STYRENE, AS THE PREDOMINANT REACTANT, AND A HEREINAFTER DEFINED COMPOUNDS, IN SOLUTION IN A LOWER BOILING BENZENE HYDROCARBON, AT A TEMPERATURE BETWEEN ABOUT 70*C. AND 150*C., IN THE PRESENCE OF A PEROOXY-TYPE POLYMERIZATION CATALYST, AND RECOVERING A SOLID RESIN, WHEREIN SAID COMPOUND IS OF THE FORMULA
Claim 2
Dependent Claim
52 words
A COPOLYMERIC RESIN PREPARED BY COPOLYMERIZING STYRENE, AS THE PREDOMINANT REACTANT, AND A HEREINAFTER DEFINED COMPOUNDS, IN SOLUTION IN A LOWER BOILING BENZENE HYDROCARBON, AT A TEMPERATURE BETWEEN ABOUT 70*C. AND 150*C., IN THE PRESENCE OF A PEROOXY-TYPE POLYMERIZATION CATALYST, AND RECOVERING A SOLID RESIN, WHEREIN SAID COMPOUND IS OF THE FORMULA
References Cited (Backward Citations)
US2062917A
Cited
US2202846A
Cited
US2218439A
Cited
US2370578A
Cited
US2445189A
Cited
US2595852A
Cited
US2756219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |