Patent US3092636A successfully refreshed from Google Patents.
US3092636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-[2-(1-alkyleneimino) ethylamino]-alkanophenones and the corresponding alcohols
Assignee: Pharmacia and Upjohn Co
•
Filing: 1959-10-21
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Granted: 1963-06-04
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Expires: 1979-10-21
Abstract
No abstract record available.
Inventors
- 👤 Richard V Heinzelman
- 👤 Brooke D Aspergren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:12
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A-(1-(2-(2=ALKYLENEIMINO) ETHYLEMINO)ALKYL)PROTOCATECHUYL ALCOHOL REPRESENTED BY THE FOLLOWING STRUCTURAL FORMULA
Claim 2
Dependent Claim
17 words
COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A-(1-(2-(2=ALKYLENEIMINO) ETHYLEMINO)ALKYL)PROTOCATECHUYL ALCOHOL REPRESENTED BY THE FOLLOWING STRUCTURAL FORMULA
Claim 3
Dependent Claim
3 words
A-(1-(2-(1-PYRROLIDINYL)-ETHYLAMINO)EHTYL)PROTOCATECHUYL ALCOHOL DIIHYDROCHLORIDE.
Claim 4
Dependent Claim
3 words
A-(1-(2-(1-PYRROLIDINYL)-ETHYLAMINO)EHTYL)PROTOCATECHUYL ALCOHOL DIIHYDROCHLORIDE.
References Cited (Backward Citations)
US2431285A
Cited
US2864825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |