US2523609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cobodied drying oils
Assignee: —
•
Filing: —
•
Granted: 1950-09-26
•
Expires: 1967-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:01
CPC Classifications
C; C08; C08L; C08L91/00; C08F; C08F242/00; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08K; C08K5/00; C08K5/01; C08L91/06; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A DRYING OIL COMPOSITION CONSISTING ESSENTIALLY OF THE COPOLYMER OF A NATURAL UNSATURATED GLYCERIDE OIL AND A HYDROCARBON FRACTION HAVING DRYING OIL PROPERTIES, SAID FRACTION CONTAINING A MAJOR PROPORTION OF POLYOLEFINIC CYCLIC HYDROCARBONS AND HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 400, A BROMINE NUMBER ABOVE ABOUT 140, AND AN AVERAGE OF FROM ABOUT 2.5 TO ABOUT 40 OLEFINIC DOUBLE BONDS PER MOLECULE OF WHICH FROM ABOUT 40 TO ABOUT 70 PER CENT ARE CONJUGATED.
Claim 2
Dependent Claim
79 words
A DRYING OIL COMPOSITION CONSISTING ESSENTIALLY OF THE COPOLYMER OF A NATURAL UNSATURATED GLYCERIDE OIL AND A HYDROCARBON FRACTION HAVING DRYING OIL PROPERTIES, SAID FRACTION CONTAINING A MAJOR PROPORTION OF POLYOLEFINIC CYCLIC HYDROCARBONS AND HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 400, A BROMINE NUMBER ABOVE ABOUT 140, AND AN AVERAGE OF FROM ABOUT 2.5 TO ABOUT 40 OLEFINIC DOUBLE BONDS PER MOLECULE OF WHICH FROM ABOUT 40 TO ABOUT 70 PER CENT ARE CONJUGATED.
References Cited (Backward Citations)
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Cited
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Cited
US2397600A
Cited
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Cited
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Cited
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Cited
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Cited
US2390530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |