US2622101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of i
Assignee: —
•
Filing: —
•
Granted: 1952-12-16
•
Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:33
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/01; C07C41/48; C07C41/05; C07C41/06; C07C41/18; C07C41/50; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/123; C07C43/13; C07C43/14; C07C43/15; C07C43/30; C07C43/303; C07C43/313; C07C45/00; C07C45/51; C07C45/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
PROCESS FOR THE PRODUCTION OF 1:1:3-TRIALKOXY ALKANES WHICH COMPRISES BRINGING A DIALKYL ACETAL OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
17 words
PROCESS FOR THE PRODUCTION OF 1:1:3-TRIALKOXY ALKANES WHICH COMPRISES BRINGING A DIALKYL ACETAL OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US1902169A
Cited
US1931858A
Cited
US2482725A
Cited
US2487525A
Cited
US2502433A
Cited
US2165962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |