US3919201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-({62 -Aminoacryloyl)iminobenzothiazolines
Assignee: Lilly Industries Ltd
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Filing: 1973-10-29
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Granted: 1975-11-11
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Expires: 1993-10-29
Abstract
Abstract 7H-Thiazolo(3,2-a)pyrimidin-7-ones, Beta aminoacryloyliminothiazoline derivatives thereof and their benzothiazole and benzothiazoline analogues possess anti-fungal, amoebicidal and anti-inflammatory activity, and may be prepared by reaction of a 2-aminothiazole or 2-aminobenzothiazole with a propiolic acid or ester thereof followed optionally by reaction with an amino, or with propiolyl chloride followed by reaction with an amine.
Inventors
- 👤 Delme Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/44; C07D277/46
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
THE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
THE COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
33 words
The compound of claim 1, wherein R7 and R8 are taken separately and R7 is hydrogen and R8 is ethyl or n-butyl or R7 and R8 together with the adjacent nitrogen represent piperidino.
Claim 4
Dependent Claim
11 words
The compound of claim 2 said compound being 2-( Beta -ethylaminoacryloyl)iminobenzothiazoline.
Claim 5
Dependent Claim
11 words
The compound of claim 2 said compound being 2-( Beta -n-butylaminoacryloyl)iminoboenzothiazoline.
Claim 6
Dependent Claim
11 words
The compound of claim 2 said compound being 2-( Beta -n-butylaminoacryloyl)imino-6-methylbenzothiazoline.
Claim 7
Dependent Claim
11 words
The compound of claim 2 said compound being 2-( Beta -n-butylaminoacryloyl)imino-6-methoxybenzothiazoline.
Claim 8
Dependent Claim
11 words
The compound of claim 2 said compound being 2-( Beta -piperidinoacryloyl)iminobenzothiazoline.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |