US2983727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-amino-4-[bis(2-haloethyl)amino] pyrimidines
Assignee: Pharmacia and Upjohn Co
•
Filing: 1957-12-17
•
Granted: 1961-05-09
•
Expires: 1977-12-17
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Lyttle
- 👤 Harold G Petering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:07
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
24 words
2 - AMINO - 4 - (BIS(2 - HALOETHY) AMINO) PYRIMIDINE WHEREIN "HALO" REPRESENTS A HALOGEN HAVING AN ATOMIC WEIGHT BETWEEN 35 AND 127.
Claim 2
Dependent Claim
24 words
2 - AMINO - 4 - (BIS(2 - HALOETHY) AMINO) PYRIMIDINE WHEREIN "HALO" REPRESENTS A HALOGEN HAVING AN ATOMIC WEIGHT BETWEEN 35 AND 127.
References Cited (Backward Citations)
US2844577A
Cited
US2455396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |