US2526718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions
Assignee: —
•
Filing: —
•
Granted: 1950-10-24
•
Expires: 1967-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:27
CPC Classifications
C; C09; C09F; C09F9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A FILM-FORMING BASE, OF THE TYPE COMMONLY EMPLOYED IN VARNISHES, -ENAMELS, PAINTS, PRINTING INKS AND LINOLEUM PRINT PAINTS, PREPARED FROM AN ESTER OF A SATURATED, ALIPHATIC, POLYHYDRIC ALCOHOL, SAID ESTER CONTAINING A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF THE DRYING AND SEMIDRYING OIL FATTY ACID RADICALS, SAID FILM-FORMING BASE CONTAINING AS A DRIER A MATERIAL SELECTED FROM THE GROUP CONSISTING OF O-PHENANTHROLINE, OPHENANTHROLINE MONOHYDRATE AND ALPHA, ALPHA''DIPYRIDYL.
Claim 2
Dependent Claim
68 words
A FILM-FORMING BASE, OF THE TYPE COMMONLY EMPLOYED IN VARNISHES, -ENAMELS, PAINTS, PRINTING INKS AND LINOLEUM PRINT PAINTS, PREPARED FROM AN ESTER OF A SATURATED, ALIPHATIC, POLYHYDRIC ALCOHOL, SAID ESTER CONTAINING A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF THE DRYING AND SEMIDRYING OIL FATTY ACID RADICALS, SAID FILM-FORMING BASE CONTAINING AS A DRIER A MATERIAL SELECTED FROM THE GROUP CONSISTING OF O-PHENANTHROLINE, OPHENANTHROLINE MONOHYDRATE AND ALPHA, ALPHA''DIPYRIDYL.
References Cited (Backward Citations)
US2075230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |