US2683162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic drying oil modified by after-treatment with polar compounds
Assignee: Standard Oil Development Co
•
Filing: 1949-07-23
•
Granted: 1954-07-06
•
Expires: 1969-07-23
Abstract
No abstract record available.
Inventors
- 👤 Anthony H Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:18
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/20; C08F; C08F279/00; C08F279/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR IMPROVING A POLYMERIC DRYING OIL PREPARED BY COPOLYMERIZATION OF 75 TO 85 PARTS OF BUTADIENE-1,3 AND 25 TO 15 PARTS OF STYRENE IN THE PRESENCE OF METTALLIC SODIUM WHICH COMPRISES MIXING SAID OIL WITH 0.5 TO 10% OF A REAGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLIC NITRILES, ALKYL ACRYLATES, VINYL ACETATE, VINYL KETONES, CINNAMALDEHYDE, THIOGLYCOLIC ACID, ALKYLTHIOGLYCOTES, AND THIOSALICYCLIC ACID, AND HEATING THE MIXTURE AT A TEMPERATURE BETWEEN 50* AND 250* C.
Claim 2
Dependent Claim
76 words
A PROCESS FOR IMPROVING A POLYMERIC DRYING OIL PREPARED BY COPOLYMERIZATION OF 75 TO 85 PARTS OF BUTADIENE-1,3 AND 25 TO 15 PARTS OF STYRENE IN THE PRESENCE OF METTALLIC SODIUM WHICH COMPRISES MIXING SAID OIL WITH 0.5 TO 10% OF A REAGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLIC NITRILES, ALKYL ACRYLATES, VINYL ACETATE, VINYL KETONES, CINNAMALDEHYDE, THIOGLYCOLIC ACID, ALKYLTHIOGLYCOTES, AND THIOSALICYCLIC ACID, AND HEATING THE MIXTURE AT A TEMPERATURE BETWEEN 50* AND 250* C.
References Cited (Backward Citations)
US2385182A
Cited
US2252333A
Cited
GB542645A
Cited
US2459126A
Cited
US2419202A
Cited
US2435790A
Cited
US2398321A
Cited
US2396957A
Cited
US2425086A
Cited
US2512697A
Cited
US2469132A
Cited
US2564795A
Cited
US2527768A
Cited
US2569383A
Cited
US2586594A
Cited
US2581094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |