US2908585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscosity stable oxidized polymer solutions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-12-07
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Granted: 1959-10-13
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Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 Donald F Koenecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; Y; Y10; Y10S; Y10S106/00; Y10S106/901
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
48 words
A VISCOSITY STABLE COMPOSITION COMPRISING A SOLUTION OF AN OXIDIZED BUTADIENE POLYMERIC DRYING OIL IN A HYDROCARBON SOLVEN HAVING A KAURI BUTANOL VALUE OF AT LEAST 40 AND 1 TO 25 WT. PERCENT OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ISOPROPANOL, NORMAL BUTANOL. AND DIACETONE ALCOHOL.
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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |