US2714613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di-(p-substituted phenyl)-thioureas
Assignee: CIBA PHARM PROD Inc
•
Filing: 1953-10-08
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Granted: 1955-08-02
•
Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Charles F Huebner
- 👤 Caesar R Scholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:31
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/04; C07C335/16; C07C335/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A MEMBER OF THE GROUP CONSISTING OF A DI-(P-SUBSTITUTED PHENYL)-THIOUREA WHEREIN THE SUBSTITUENTS IN ONE OF THE PHENYLS IS A DI(LOWER ALKYL) AMINOETHOXY RADICAL AND THE SUBSTITUENT IN THE OTHER PHENYL IS A BUTOXY RADICAL, AND NON-TOXIC ACID ADDITION SALTS THEREOF.
Claim 2
Dependent Claim
41 words
A MEMBER OF THE GROUP CONSISTING OF A DI-(P-SUBSTITUTED PHENYL)-THIOUREA WHEREIN THE SUBSTITUENTS IN ONE OF THE PHENYLS IS A DI(LOWER ALKYL) AMINOETHOXY RADICAL AND THE SUBSTITUENT IN THE OTHER PHENYL IS A BUTOXY RADICAL, AND NON-TOXIC ACID ADDITION SALTS THEREOF.
References Cited (Backward Citations)
US2050557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |