Patent US2731430A successfully refreshed from Google Patents.
US2731430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl aromatic hydrocarbons reacted with glyceride oils using boron halide catalyst
Assignee: Imperial Chemical Industries Ltd
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Filing: 1951-07-27
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Granted: 1956-01-17
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Expires: 1971-07-27
Abstract
No abstract record available.
Inventors
- 👤 Brunner Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:09
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F242/00; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D167/00; C09D167/08; C09D191/00; C08L; C08L67/00; C08L67/08; C08L91/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A COATING COMPOSITION FORMING HAZE-FREE FILMS COMPRISING AN OLEORESINOUS VEHICLE SELECTED FROM THE GROUP CONSISTING OF LINESEED OIL AND LINSEED OIL-MODIFIED ALKYD RESIN AND THE INTERPOLYMER PORDUCED BY REACTING A MONOVINYL MONOCYCLIC AROMATIC HYDROCARBON WITH FROM 0.1 TO 10 PER CENT, BY WEIGHT OF THE HYDROCARBON, OF A DRYING OIL IN THE PRESENCE OF A HALIDE OF BORON AS CATALYST.
Claim 2
Dependent Claim
60 words
A COATING COMPOSITION FORMING HAZE-FREE FILMS COMPRISING AN OLEORESINOUS VEHICLE SELECTED FROM THE GROUP CONSISTING OF LINESEED OIL AND LINSEED OIL-MODIFIED ALKYD RESIN AND THE INTERPOLYMER PORDUCED BY REACTING A MONOVINYL MONOCYCLIC AROMATIC HYDROCARBON WITH FROM 0.1 TO 10 PER CENT, BY WEIGHT OF THE HYDROCARBON, OF A DRYING OIL IN THE PRESENCE OF A HALIDE OF BORON AS CATALYST.
References Cited (Backward Citations)
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Cited
US2190906A
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US2276176A
Cited
US2392710A
Cited
US2395504A
Cited
US2567137A
Cited
US2470757A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |