US2889359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of 2, 3-dicholordiols and process for their production
Assignee: Union Carbide Corp
•
Filing: 1956-12-03
•
Granted: 1959-06-02
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Howard R Guest
- 👤 Jr Harry A Stansbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:41
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A 2,3-DICHLORODIOL DIESTER HAVING THE GENEAL FORMULA:
Claim 2
Dependent Claim
7 words
A 2,3-DICHLORODIOL DIESTER HAVING THE GENEAL FORMULA:
References Cited (Backward Citations)
US2463227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |