US2649449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-cyclohexylamino-4-amino-5-benzylpyrimidine
Assignee: Nepera Chemical Co Inc
•
Filing: 1952-04-04
•
Granted: 1953-08-18
•
Expires: 1972-04-04
Abstract
No abstract record available.
Inventors
- 👤 Aaron S Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:06
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/30; C07D239/32; C07D239/42; C07D239/46; C07D239/48; C07D239/49
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
THE NOVEL PYRIMIDINE COMPOUND, 2-CYCLOHEXYLAMINO-4-AMINO-5-BENZYLPYRIMIDINE.
Claim 2
Dependent Claim
5 words
THE NOVEL PYRIMIDINE COMPOUND, 2-CYCLOHEXYLAMINO-4-AMINO-5-BENZYLPYRIMIDINE.
Claim 3
Dependent Claim
12 words
PROCESS FOR THE PRODUCTION OF 2-CYCLOHEXYLAMINO-4-AMINO-5-BENZYLPYRIMIDINE WHIC COMPRISES REACTING 2-CHLORO-4-AMINO-5-BENZYLPYRIMIDINE WITH CYCLOHEXYLAMINE.
Claim 4
Dependent Claim
12 words
PROCESS FOR THE PRODUCTION OF 2-CYCLOHEXYLAMINO-4-AMINO-5-BENZYLPYRIMIDINE WHIC COMPRISES REACTING 2-CHLORO-4-AMINO-5-BENZYLPYRIMIDINE WITH CYCLOHEXYLAMINE.
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) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |