US3036083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 2-pyridyl lower alkyl guanidines
Assignee: BASF Corp
•
Filing: 1959-05-15
•
Granted: 1962-05-22
•
Expires: 1979-05-15
Abstract
No abstract record available.
Inventors
- 👤 Mull Robert Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:20
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
(2-PYRIDYL)-LOWER ALKYL-GUANIDINE, IN WHICH LOWER ALKYL, OF FROM TWO TO THREE CARBON ATOMS, SEPARATES THE 2-PYRIDYL PORTION FROM THE GUANIDINO GROUP BY TWO TO THREE CARBON ATOMS.
Claim 2
Dependent Claim
27 words
(2-PYRIDYL)-LOWER ALKYL-GUANIDINE, IN WHICH LOWER ALKYL, OF FROM TWO TO THREE CARBON ATOMS, SEPARATES THE 2-PYRIDYL PORTION FROM THE GUANIDINO GROUP BY TWO TO THREE CARBON ATOMS.
References Cited (Backward Citations)
DE579145C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |