US2514672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-substituted acrylic acid esters and process of preparation
Assignee: Eastman Kodak Co
•
Filing: 1948-04-21
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Granted: 1950-07-11
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Expires: 1968-04-21
Abstract
No abstract record available.
Inventors
- 👤 Delbert D Reynolds
- 👤 William O Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/52; C07C69/533; C07C69/54; C07C69/62; C07C69/65; C07C69/653
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROCESS FOR PREPARING ESTERS OF A-SUBSTITUTED ACRYLIC ACIDS COMPRISING REACTING AN ESTER REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
17 words
A PROCESS FOR PREPARING ESTERS OF A-SUBSTITUTED ACRYLIC ACIDS COMPRISING REACTING AN ESTER REPRESENTED BY THE FORMULA:
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |