US3933908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted benzoyl ureas
Assignee: US Philips Corp
•
Filing: 1973-04-25
•
Granted: 1976-01-20
•
Expires: 1993-04-25
Abstract
Abstract New organic compounds derived from urea or thiourea, insecticidal preparations on the basis of the new substances and methods of producing the substances.
Inventors
- 👤 Kobus Wellinga
- 👤 Rudolf Mulder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:33
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/46; C07C275/48; C07C275/54
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
68 words
A compound of the formula ##SPC33## wherein A and B are each moieties selected from the group consisting of hydrogen and halogen with the proviso that A and B do not both represent hydrogen, R 1 is a moiety selected from the group consisting of hydrogen and lower alkyl and R 2 is a moiety selected from the group consisting of phenyl, halogen substituted phenyl and halogenated alkyl
Claim 2
Dependent Claim
68 words
A compound of the formula ##SPC33## wherein A and B are each moieties selected from the group consisting of hydrogen and halogen with the proviso that A and B do not both represent hydrogen, R 1 is a moiety selected from the group consisting of hydrogen and lower alkyl and R 2 is a moiety selected from the group consisting of phenyl, halogen substituted phenyl and halogenated alkyl
Claim 3
Dependent Claim
6 words
As a compound of claim 1,
Claim 4
Dependent Claim
6 words
As a compound of claim 1,
Claim 5
Dependent Claim
6 words
As a compound of claim 1,
Claim 6
Dependent Claim
6 words
As a compound of claim 1,
Claim 7
Dependent Claim
6 words
As a compound of claim 1,
Claim 8
Dependent Claim
7 words
As a compound of claim 1, N-(2,6-dichlorobenzoyl)-N'-(3,4-dibromophenyl)
Claim 9
Dependent Claim
6 words
As a compound of claim 1,
Claim 10
Dependent Claim
6 words
As a compound of claim 1,
Claim 11
Dependent Claim
6 words
As a compound of claim 1,
Claim 12
Dependent Claim
6 words
As a compound of claim 1,
Claim 13
Dependent Claim
6 words
As a compound of claim 1,
Claim 14
Dependent Claim
6 words
As a compound of claim 1,
Claim 15
Dependent Claim
6 words
As a compound of claim 1,
Claim 16
Dependent Claim
6 words
As a compound of claim 1,
Claim 17
Dependent Claim
6 words
As a compound of claim 1,
Claim 18
Dependent Claim
6 words
As a compound of claim 1,
Claim 19
Dependent Claim
6 words
As a compound of claim 1,
Claim 20
Dependent Claim
7 words
As a compound of claim 1, N-(2,6-dichlorobenzoyl)-N'
Claim 21
Dependent Claim
6 words
As a compound of claim 1,
Claim 22
Dependent Claim
8 words
As a compound of claim 1, N-(2,6-dichlorobenzoyl)-N'-(phenyl) urea.
Claim 23
Dependent Claim
6 words
As a compound of claim 1,
Claim 24
Dependent Claim
6 words
As a compound of claim 1,
Claim 25
Dependent Claim
6 words
As a compound of claim 1,
Claim 26
Dependent Claim
8 words
As a compound of claim 1, N-(2,6-difluorobenzoyl)-N'-(3-trifluoromethylphenyl) urea.
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) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |