US2852515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tertiary-aminoalkyl substituted tetrazoles and preparation thereof
Assignee: STWB Inc
•
Filing: 1954-01-13
•
Granted: 1958-09-16
•
Expires: 1974-01-13
Abstract
No abstract record available.
Inventors
- 👤 Elpern Bill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:14
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A MEMBER OF THE GROUP CONSISTING OF: (A), A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
A MEMBER OF THE GROUP CONSISTING OF: (A), A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
8 words
A PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT OF 2-(2-(4-MORPHOLINYL)ETHYL)-5-PHENYLTETRAZOLE.
Claim 4
Dependent Claim
8 words
A PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT OF 2-(2-(4-MORPHOLINYL)ETHYL)-5-PHENYLTETRAZOLE.
Claim 5
Dependent Claim
9 words
A PROCESS FOR PREPARING A COMPOUND HAVING THE FORMULA
Claim 6
Dependent Claim
9 words
A PROCESS FOR PREPARING A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2470085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |