US3077472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-[4-(aminoalkoxy)-phenyl]-4-(4-oxyphenyl)-alkanes and alkenes
Assignee: University of Kansas Center for Research Inc (KUCR)
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Filing: 1961-03-21
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Granted: 1963-02-12
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Expires: 1981-03-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Burckhalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:31
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/30; C07D265/32; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A MEMBER OF THE GROUP CONSISTING OF A FREE BASE, ACID ADDITION SALTS THEREOF AND THE CORRESPONDING QUATERNARY LOWER ALKYLAMMONIUM SALTS WHEREIN THE ANION IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORIDE, BRONIDE, IODIDE, SULFATE AND PARA-TOLUENE SULFONATE, SAID FREE BASE HAVING THE FIRMULA,
Claim 2
Dependent Claim
46 words
A MEMBER OF THE GROUP CONSISTING OF A FREE BASE, ACID ADDITION SALTS THEREOF AND THE CORRESPONDING QUATERNARY LOWER ALKYLAMMONIUM SALTS WHEREIN THE ANION IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORIDE, BRONIDE, IODIDE, SULFATE AND PARA-TOLUENE SULFONATE, SAID FREE BASE HAVING THE FIRMULA,
References Cited (Backward Citations)
US2668813A
Cited
US2796435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |