US3219701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making n-(hydroxy-benzyl) substituted amines
Assignee: Uniroyal Inc
•
Filing: 1963-08-23
•
Granted: 1965-11-23
•
Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Francis X O'shea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:54
CPC Classifications
C; C07; C07C; C07C243/00; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/74; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C08K5/29; C08K5/30; C08K5/32; C08K5/33; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A METHOD OF MAKING A COMPOUND OF THE FORMULA:
Claim 2
Independent Claim
9 words
A METHOD OF MAKING A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2962531A
Cited
US2953600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |