Patent US2529322A successfully refreshed from Google Patents.
US2529322A
Expired / Lapsed
US
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Process of preparing synthetic drying oils
Assignee: Standard Oil Development Co
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Filing: 1947-08-20
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Granted: 1950-11-07
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Expires: 1967-08-20
Abstract
No abstract record available.
Inventors
- 👤 John C Zimmer
- 👤 Jeffrey H Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:11
CPC Classifications
C; C09; C09D; C09D155/00; C09D155/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS OF PREPARING SYNTHETIC DRYING OILS WHICH COMPRISES CONDENSING AT A TEMPERATURE ABOVE 100*C. A POLYOLEFINIC POLYMER HAVING A MOLECULAR WEIGHT BETWEEN 200 AND 1000, OBTAINED BY THE CLAY TREATMENT OF STEAM CRACKED GASOLINES WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA,BETA UNSATURATED CARBOXYLIC ACIDS AND ALPHA.BETA UNSATURATED NITRILES AND THEN ESTERIFYING THE PRODUCT WITH AN ALCOHOL HAVING FROM 2 TO 20 CARBON ATOMS IN A STRAIGHT CHAIN AT A TEMPERATURE BETWEEN 100 AND 200*C.
Claim 2
Dependent Claim
78 words
A PROCESS OF PREPARING SYNTHETIC DRYING OILS WHICH COMPRISES CONDENSING AT A TEMPERATURE ABOVE 100*C. A POLYOLEFINIC POLYMER HAVING A MOLECULAR WEIGHT BETWEEN 200 AND 1000, OBTAINED BY THE CLAY TREATMENT OF STEAM CRACKED GASOLINES WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA,BETA UNSATURATED CARBOXYLIC ACIDS AND ALPHA.BETA UNSATURATED NITRILES AND THEN ESTERIFYING THE PRODUCT WITH AN ALCOHOL HAVING FROM 2 TO 20 CARBON ATOMS IN A STRAIGHT CHAIN AT A TEMPERATURE BETWEEN 100 AND 200*C.
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) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |