Patent US1816331A successfully refreshed from Google Patents.
US2583084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon tin alcoholates
Assignee: Union Carbide Corp
•
Filing: 1948-12-15
•
Granted: 1952-01-22
•
Expires: 1968-12-15
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Burt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:40
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A DIBUTYL TIN ALCOHOLATE OF AN ALIPHATIC POLYHYDRIC PRIMARY ALCOHOL CONTAINING FROM 2 TO 5 CARBON ATOMS AND FROM 2 TO 4 HYDROXYL GROUPS.
Claim 2
Dependent Claim
24 words
A DIBUTYL TIN ALCOHOLATE OF AN ALIPHATIC POLYHYDRIC PRIMARY ALCOHOL CONTAINING FROM 2 TO 5 CARBON ATOMS AND FROM 2 TO 4 HYDROXYL GROUPS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |