US2871208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil soluble butenylphenol formaldehyde resins
Assignee: PPG Industries Inc
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Filing: 1954-05-03
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Granted: 1959-01-27
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Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Roger M Christenson
- 👤 Lowell O Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:46
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A LIGHT COLORED VARNISH COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY HEATING TOGETHER A DRYING OIL AND THE RESINIOUS CONDENSATION PRODUCT OF FORMALDEGYDE AND A MIXTURE OF BUTENYLPHENOLS CONTAINING ABOUT 55 PERCENT TO 85 PERCENT BY WEIGHT OF ORTHO- AND PARAMONOBUTTENYLPHENOLS, AND ABOUT 15 PERCENT TO 45 PERCENT BY WEIGHT OF DI- AND TRIBUTENYLPHENOLS.
Claim 2
Dependent Claim
55 words
A LIGHT COLORED VARNISH COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY HEATING TOGETHER A DRYING OIL AND THE RESINIOUS CONDENSATION PRODUCT OF FORMALDEGYDE AND A MIXTURE OF BUTENYLPHENOLS CONTAINING ABOUT 55 PERCENT TO 85 PERCENT BY WEIGHT OF ORTHO- AND PARAMONOBUTTENYLPHENOLS, AND ABOUT 15 PERCENT TO 45 PERCENT BY WEIGHT OF DI- AND TRIBUTENYLPHENOLS.
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) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |