US2931837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long chain alkoxy-diols
Assignee: Union Carbide Corp
•
Filing: 1956-04-13
•
Granted: 1960-04-05
•
Expires: 1976-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Stansbury
- 👤 Howard R Guest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:24
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4244; C08G18/4247; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C08G18/08; C08G18/10; C08G18/4236; C08G18/4238
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
MIXTURES OF THE GROUP CONSISTING OF ALKOXY-SUBSTITUTED ALPHA, OMEGA PRIMARY DIOLS OF THE FORMULA
Claim 2
Dependent Claim
14 words
MIXTURES OF THE GROUP CONSISTING OF ALKOXY-SUBSTITUTED ALPHA, OMEGA PRIMARY DIOLS OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |