Patent US3839440A successfully refreshed from Google Patents.
US3839440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-cycloalkenyl-n-aryl-n'-alkyl-ureas
Assignee: Bayer AG
•
Filing: 1970-01-19
•
Granted: 1974-10-01
•
Expires: 1990-01-19
Abstract
Abstract 1. AN N,N''-SUBSTITUTED UREA OF THE FORMULA R3-NH-CO-N(-R'')-C<(=C(-R1)-R2-) IN WHICH R1 IS HYDROGEN, LOWER ALKYL OR CYANO, R2 IS TRIMETHYLENE, TETRAMETHYLENE OR PENTAMETHYLENE, R3 IS ALKYL OF 1-14 CARBON ATOMS OR LOWER ALKOXY-LOWER ALKYL, ALKYL OF 5-6 CARBON ATOMS OR LOWER ALKOXY-LOWER ALKYL, AND R'' IS PHENYL OR NAPHTHYL UNSUBSTITUTED OR SUBSTITUTED BY AT LEAST ONE OF CHLORO, TRIFLUOROMETHYL, LOWER ALKYL AND LOWER ALKOXY.
Inventors
- 👤 W Zecher
- 👤 E Roos
- 👤 R Merten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:33
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; C08G18/3823; C08G18/3829; C07; C07C; C07C275/00; C07C275/28; C07C275/30; C07C275/32; C07C275/34; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN N,N''-SUBSTITUTED UREA OF THE FORMULA R3-NH-CO-N(-R'')-C<(=C(-R1)-R2-) IN WHICH R1 IS HYDROGEN, LOWER ALKYL OR CYANO, R2 IS TRIMETHYLENE, TETRAMETHYLENE OR PENTAMETHYLENE, R3 IS ALKYL OF 1-14 CARBON ATOMS OR LOWER ALKOXY-LOWER ALKYL, ALKYL OF 5-6 CARBON ATOMS OR LOWER ALKOXY-LOWER ALKYL, AND R'' IS PHENYL OR NAPHTHYL UNSUBSTITUTED OR SUBSTITUTED BY AT LEAST ONE OF CHLORO, TRIFLUOROMETHYL, LOWER ALKYL AND LOWER ALKOXY.
Claim 2
Dependent Claim
63 words
AN N,N''-SUBSTITUTED UREA OF THE FORMULA R3-NH-CO-N(-R'')-C<(=C(-R1)-R2-) IN WHICH R1 IS HYDROGEN, LOWER ALKYL OR CYANO, R2 IS TRIMETHYLENE, TETRAMETHYLENE OR PENTAMETHYLENE, R3 IS ALKYL OF 1-14 CARBON ATOMS OR LOWER ALKOXY-LOWER ALKYL, ALKYL OF 5-6 CARBON ATOMS OR LOWER ALKOXY-LOWER ALKYL, AND R'' IS PHENYL OR NAPHTHYL UNSUBSTITUTED OR SUBSTITUTED BY AT LEAST ONE OF CHLORO, TRIFLUOROMETHYL, LOWER ALKYL AND LOWER ALKOXY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-30 | 1978-04-01 | 1978-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-30 | 1982-04-01 | 1982-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-30 | 1986-04-01 | 1986-10-01 | $7700.00 | Window Closed / Lapsed |