US3274232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arylhydrazides
Assignee: Pharmacia and Upjohn Co
•
Filing: 1964-12-23
•
Granted: 1966-09-20
•
Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jack W Hinman
- 👤 Ronald B Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:37
CPC Classifications
C; C07; C07C; C07C237/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
COMPOUNDS REPRESENTED BY THE FORMULA: (R3-PHENYL)-NH-NH-CO-(CNH2N)-C(-R'')(-NH-R2)-COOH WHEREIN R3 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, METHYLOL, HALOGEN, CARBOXY, ALKYL OF 1 TO 4 CARBON ATOMS, INCLUSIVE, AND ALKOXY OF 1 TO 4 CARBON ATOMS, INCLUSIVE, R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL OF 1 TO 4 CARBON ATOMS, INCLUSIVE, R2 IS SELECTED FROM THE GROUP CONSISTING OF CARBOALLYLOXY, CARBOBENZYLOXY AND TOSYL, AND N IS AN INTEGER FROM ZERO TO 7, INCLUSIVE.
Claim 2
Dependent Claim
76 words
COMPOUNDS REPRESENTED BY THE FORMULA: (R3-PHENYL)-NH-NH-CO-(CNH2N)-C(-R'')(-NH-R2)-COOH WHEREIN R3 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, METHYLOL, HALOGEN, CARBOXY, ALKYL OF 1 TO 4 CARBON ATOMS, INCLUSIVE, AND ALKOXY OF 1 TO 4 CARBON ATOMS, INCLUSIVE, R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL OF 1 TO 4 CARBON ATOMS, INCLUSIVE, R2 IS SELECTED FROM THE GROUP CONSISTING OF CARBOALLYLOXY, CARBOBENZYLOXY AND TOSYL, AND N IS AN INTEGER FROM ZERO TO 7, INCLUSIVE.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |