US3291841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of benzyl ethers
Assignee: Uniroyal Inc
•
Filing: 1963-08-01
•
Granted: 1966-12-13
•
Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Francis X O'shea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:11
CPC Classifications
C; C07; C07C; C07C243/00; C07C323/00; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/178; C07C43/1782; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/74; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/36; C08K5/37; C08K5/375; C08K5/378; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C09K15/12; C09K15/14; C09K15/20; C09K15/24; C10; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/086; C10N; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A METHOD OF PREPARING A COMPOUND OF THE FORMULA:
Claim 2
Independent Claim
9 words
A METHOD OF PREPARING A COMPOUND OF 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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |