US3140267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyd resins modified with omega lactone
Assignee: Celanese Corp
•
Filing: 1960-05-04
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Granted: 1964-07-07
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Expires: 1980-05-04
Abstract
No abstract record available.
Inventors
- 👤 Bortnek Eugene
- 👤 Vona Joseph Albert
- 👤 Edward J Kuzma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:24
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/60; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE METHOD FOR IMPROVING A DRYING OIL-MODIFIED ALKYD RESIN HAVING RESIDUAL HYDROXYL GROUPS, WHICH COMPRISES MIXING SUCH RESIN WITH AN AMEGA LACTONE AND HEATING THE RESULTING MIXTURE IN AN INERT ATMOSPHERE.
Claim 2
Independent Claim
31 words
THE METHOD FOR IMPROVING A DRYING OIL-MODIFIED ALKYD RESIN HAVING RESIDUAL HYDROXYL GROUPS, WHICH COMPRISES MIXING SUCH RESIN WITH AN AMEGA LACTONE AND HEATING THE RESULTING MIXTURE IN AN INERT ATMOSPHERE.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |