US3932492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing new amidine compounds
Assignee: Kao Corp
•
Filing: 1974-11-07
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Granted: 1976-01-13
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Expires: 1994-11-07
Abstract
Abstract New amidine compounds of formula (I): ##EQU1## wherein R represents ##SPC1## (R' being H or CH 3 ) and acid addition salts thereof, are prepared by reacting a nitrile of formula (II): R -- CN (II) wherein R represents ##SPC2## (R' being H or CH 3 ) with a metal amide or with an alcohol and an acid under anhydrous conditions and the product thus obtained is reacted with ammonia.
Inventors
- 👤 Yoshiaki Inamoto
- 👤 Koji Aigami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:59
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/45
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
23 words
An amidine compound having the formula ##SPC8## wherein R' is H or CH 3 , or an antimicrobially effective acid addition salt thereof.
Claim 2
Dependent Claim
23 words
An amidine compound having the formula ##SPC8## wherein R' is H or CH 3 , or an antimicrobially effective acid addition salt thereof.
Claim 3
Dependent Claim
38 words
An amidine compound as claimed in claim 1 in which the acid moiety consists of an acid selected from the group consisting of hydrochloric acid, sulfuric acid, thiosulfuric acid, p-toluenesulfonic acid, oxalic acid, citric acid and phosphoric acid.
References Cited (Backward Citations)
GB448469A
Cited
US3732305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-12 | 1979-07-14 | 1980-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-12 | 1983-07-14 | 1984-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-12 | 1987-07-14 | 1988-01-13 | $7700.00 | Window Closed / Lapsed |