Patent US3023230A successfully refreshed from Google Patents.
US3023230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of chloralkyl esters of acrylic acid and their substitution products
Assignee: BASF SE
•
Filing: 1959-03-02
•
Granted: 1962-02-27
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Baron Hubertus
- 👤 Friederich Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:41
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/24; C07C67/26; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/22; C08F20/26; C08F20/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |