US2847456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acylals
Assignee: Columbia Southern Chemical Corp
•
Filing: 1953-07-10
•
Granted: 1958-08-12
•
Expires: 1973-07-10
Abstract
No abstract record available.
Inventors
- 👤 Charles D Hurd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:40
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/007; C07C69/02; C07C69/04; C07C69/06; C07C69/07; C07C69/12; C07C69/14; C07C69/145; C07C69/66; C07C69/67; C08; C08G; C08G63/00; C08G63/78; C08G63/82; C08G63/823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
AN ALKENYLOXYMETHYL ESTER OF AN ALIPHATICALLY SATURATED MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF FORMIC, ACETIC AND 2-ACETOXYPROPIONIC, SAID ALKENYL GROUP HAVING FROM 3 TO 12 CARBON ATOMS.
Claim 2
Dependent Claim
29 words
AN ALKENYLOXYMETHYL ESTER OF AN ALIPHATICALLY SATURATED MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF FORMIC, ACETIC AND 2-ACETOXYPROPIONIC, SAID ALKENYL GROUP HAVING FROM 3 TO 12 CARBON ATOMS.
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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |