US2779749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized unsaturate-so2 resins containing acrylates
Assignee: Phillips Petroleum Co
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Filing: 1952-09-29
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Granted: 1957-01-29
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Expires: 1972-09-29
Abstract
No abstract record available.
Inventors
- 👤 John E Wicklatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:13
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/20; C08G75/205; C08G75/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A HEAT STABLE RESIN COMPRISING A TERPOLYMER OF 1BUTENE WITH SULFUR DIOXIDE AND 2 TO 10 MOL PERCENT OF SAID BUTENE OF AN ALKYL ACRYLATAE BASED ON THE TOTAL 1BUTENE AND ALKYL ACRYLATE IN WHICH THE ALKYL GROUP OF THE CARYLATE HAS FROM 1 TO 10 CARBON ATOMS.
Claim 2
Dependent Claim
48 words
A HEAT STABLE RESIN COMPRISING A TERPOLYMER OF 1BUTENE WITH SULFUR DIOXIDE AND 2 TO 10 MOL PERCENT OF SAID BUTENE OF AN ALKYL ACRYLATAE BASED ON THE TOTAL 1BUTENE AND ALKYL ACRYLATE IN WHICH THE ALKYL GROUP OF THE CARYLATE HAS FROM 1 TO 10 CARBON ATOMS.
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) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |