Patent US3894008A successfully refreshed from Google Patents.
US3894008A
Expired / Lapsed
US
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2-Imidazolin-5-ones
Assignee: Colgate Palmolive Co
•
Filing: 1974-05-31
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Granted: 1975-07-08
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Expires: 1994-05-31
Abstract
Abstract The compounds are 2-imidazolin-5-ones which are central nervous system depressants, sedatives and antipsychotic agents. Representative of the compounds disclosed are: 1-methyl-4,4diphenyl-2(2-(2-pyridyl)vinyl)-2-imidazolin-5-one; 4,4-diphenyl2-(1-(4-phenyl-1,3-butadienyl)-1-o-tolyl-2-imidazolin-5-one; and 1-(2-methylphenyl)-2-(2-(5-(4-nitrophenyl)-2-furanyl)-ethenyl)4,4-diphenyl-2-imidazolin-5-one.
Inventors
- 👤 John L Irvine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:21
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/70; C07D263/00; C07D263/02; C07D263/30; C07D263/34; C07D263/36; C07D263/42
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
11 words
A compound of claim 1 in which R is lower alkyl.
Claim 4
Dependent Claim
10 words
A compound of claim 1 in which R is methyl.
Claim 5
Dependent Claim
10 words
A compound of claim 1 in which R is tolyl.
Claim 6
Dependent Claim
8 words
The compound of claim 1 which is 4,4-diphenyl-2-styryl-1-o-tolyl-2-imidazolin-5-one.
Claim 7
Dependent Claim
8 words
The compound of claim 1 which is 4,4-diphenyl-2-((2-pyridyl)vinyl)-1-o-tolyl-2-imidazolin-5-one.
Claim 8
Dependent Claim
8 words
The compound of claim 1 which is 4,4-diphenyl-2-(1-(4-phenyl)-1,3-butadienyl)-1-o-tolyl-2-imidazolin-5-one.
Claim 9
Dependent Claim
8 words
The compound of claim 1 which is 2-(2-(5-(4-nitrophenyl)-2-furanyl)vinyl)-4,4-diphenyl-1-o-tolyl-2-imidazolin-5-one.
Claim 10
Dependent Claim
8 words
The compound of claim 1 which is 1-methyl-4,4-diphenyl-2(2-(2-pyridyl)vinyl)-2-imidazolin-5-one.
References Cited (Backward Citations)
DE1176660B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |