Patent FR2514531A1 successfully refreshed from Google Patents.
US3048587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-alkylamino-4-aminopyrimidine
Assignee: Ortho Pharmaceutical Corp
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Filing: 1960-10-17
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Granted: 1962-08-07
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Oroshnik William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:21
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2-R-AMINO-4-AMINOPYRIMIDINE WHEREIN R IS AN ALKYL CHAIN HAVING FROM EIGHT TO THIRTEEN CARBON ATOMS, AND THERAPEUTICALLY ACTIVE ACID ADDITION SALT THEREOF.
Claim 2
Dependent Claim
29 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2-R-AMINO-4-AMINOPYRIMIDINE WHEREIN R IS AN ALKYL CHAIN HAVING FROM EIGHT TO THIRTEEN CARBON ATOMS, AND THERAPEUTICALLY ACTIVE ACID ADDITION SALT THEREOF.
References Cited (Backward Citations)
US2674598A
Cited
US2845425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |