US3761478A
Expired / Lapsed
US
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Uracil ureas
Assignee: Baxter International Inc
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Filing: 1971-12-06
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Granted: 1973-09-25
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Expires: 1991-12-06
Abstract
Abstract D R A W I N G ammoni WHEREIN R is selected from the group consisting of lower alkyl having from one to four carbon atoms, allyl, cyclohexyl and 2-methylphenyl. Said compounds are useful central nervous system anti-depressants. Uracil ureas having the general formula
Inventors
- 👤 A Berger
- 👤 E Borgaes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:43
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/52; C07D239/54; C07D239/545
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
11 words
The uracil urea of claim 1 in which R is methyl.
Claim 2
Dependent Claim
11 words
The uracil urea of claim 1 in which R is ethyl.
Claim 3
Dependent Claim
11 words
The uracil urea of claim 1 in which R is n-propyl.
Claim 4
Dependent Claim
11 words
The uracil urea of claim 1 in which R is isopropyl.
Claim 5
Dependent Claim
11 words
The uracil urea of claim 1 in which R is n-butyl.
Claim 6
Dependent Claim
11 words
The uracil urea of claim 1 in which R is isobutyl.
Claim 7
Dependent Claim
11 words
The uracil urea of claim 1 in which R is allyl.
Claim 8
Dependent Claim
11 words
The uracil urea of claim 1 in which R is cyclohexyl.
Claim 9
Dependent Claim
11 words
The uracil urea of claim 1 in which R is 2-methylphenyl.
References Cited (Backward Citations)
DE1219489B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |