US2940986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy esters of long chain acids
Assignee: Shell USA Inc
•
Filing: 1957-06-17
•
Granted: 1960-06-14
•
Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Newey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:55
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
UNSUBSTITUTED POLYGLYCIDYL ESTERS OF LONG CHAIN ETHYLENICALLY UNSATURATED ALIPHATIC HYDROCARBON ACIDS SELECTED FROM THE GROUP CONSISTING OF THE DIMERS OF LONG CHAIN UNSATURATED ALIPHATIC HYDROCARBON ACIDS, TRIMERS OF LONG CHAIN UNSATURATED ALIPHATIC HYDROCARBON ACID, AND MIXTURES THEREOF.
Claim 2
Dependent Claim
37 words
UNSUBSTITUTED POLYGLYCIDYL ESTERS OF LONG CHAIN ETHYLENICALLY UNSATURATED ALIPHATIC HYDROCARBON ACIDS SELECTED FROM THE GROUP CONSISTING OF THE DIMERS OF LONG CHAIN UNSATURATED ALIPHATIC HYDROCARBON ACIDS, TRIMERS OF LONG CHAIN UNSATURATED ALIPHATIC HYDROCARBON ACID, AND MIXTURES THEREOF.
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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |