US3202660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of 3-arylamino-1, 3-diazacycloalkenes
Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1962-10-01
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Granted: 1965-08-24
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Zeile Karl
- 👤 Stahle Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:33
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4946; C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/42; A61K31/00; A61Q; A61Q9/00; A61Q9/02; C07D233/44; C07D233/50; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6503; C07F9/6506; A61K2800/00; A61K2800/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF PREPARING 2-ARYLAMINO-1,3-DIAZACYCLOALKENES-(2) OF THE FORMULA 1-R2,3-R3-PHEN-2-YL-N(-R)-C<(=N-X-NH-) WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL, X IS SELECTED FROM THE GROUP CONSISTING OF STRAIGHT AND BRANCHED CHAIN ALKYLENE OF 2 TO 3 CARBON ATOMS, AND R2 AND R3 ARE SELECTED FROM THE GROUP CONSISTING OF METHYL, ETHYL AND CHLORINE, WHICH COMPRISES FORMING A MIXTURE CONSISTING SOLELY OF AN ARYL-SUBSTITUTED ISOTHIOURONIUM SALT OF THE FORMULA 1-R2,3-R3-PHEN-2-YL-N(-R)-C(=NH)-S-R1 .HHAL WHEREIN R, R2 AND R3 HAVE THE MEANINGS PREVIOUSLY DEFINED, R1 IS LOWER ALKYL, AND HAL IS SELECTD FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AND A LOWER ALKYLENE DIAMINE OF THE FORMLA
Claim 2
Independent Claim
108 words
THE METHOD OF PREPARING 2-ARYLAMINO-1,3-DIAZACYCLOALKENES-(2) OF THE FORMULA 1-R2,3-R3-PHEN-2-YL-N(-R)-C<(=N-X-NH-) WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL, X IS SELECTED FROM THE GROUP CONSISTING OF STRAIGHT AND BRANCHED CHAIN ALKYLENE OF 2 TO 3 CARBON ATOMS, AND R2 AND R3 ARE SELECTED FROM THE GROUP CONSISTING OF METHYL, ETHYL AND CHLORINE, WHICH COMPRISES FORMING A MIXTURE CONSISTING SOLELY OF AN ARYL-SUBSTITUTED ISOTHIOURONIUM SALT OF THE FORMULA 1-R2,3-R3-PHEN-2-YL-N(-R)-C(=NH)-S-R1 .HHAL WHEREIN R, R2 AND R3 HAVE THE MEANINGS PREVIOUSLY DEFINED, R1 IS LOWER ALKYL, AND HAL IS SELECTD FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AND A LOWER ALKYLENE DIAMINE OF THE FORMLA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |