US2970168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ditoluates
Assignee: Union Carbide Corp
•
Filing: 1957-10-07
•
Granted: 1961-01-31
•
Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Christian F Horn
- 👤 Vineyard Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:17
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/44; C07C321/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
5 words
COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2393327A
Cited
US2571251A
Cited
US2640848A
Cited
US2657231A
Cited
US2552269A
Cited
US2720502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |