US3920690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal trifluoromethylsulfonamido-pyrazoles
Assignee: Pbi-Gordon Corp
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Filing: 1974-01-28
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Granted: 1975-11-18
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Expires: 1994-01-28
Abstract
Abstract N-Substituted perfluoroalkanesulfonamides in which the sulfonamide nitrogen substituent is a heteroatom-containing group selected from pyridinyl, quinolinyl, pyrazolyl, thiazolyl, quinoxalinylphenyl, imidazo (1,2a) pyridinylphenyl, imidazo (1,2a) pyrimidylphenyl and benzoxazolyl which can be unsubstituted or which can carry certain substituents. Also included are salts of these compounds, compositions containing the compounds of the present invention and processes for their preparation and use. The compounds are active as herbicides and plant growth modifiers.
Inventors
- 👤 Joseph Kenneth Harrington
- 👤 Donald C Kvam
- 👤 Arthur Mendel
- 👤 Jerry E Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:15
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/04; C07D249/06; C07D249/08; C07D249/10; C07D249/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
3 words
THE COMPOUND 1,3,5-TRIMETHYL-4-TRIFLUOROMETHYLSULFONAMIDOPYRAZOLE.
Claim 2
Dependent Claim
3 words
THE COMPOUND 1,3,5-TRIMETHYL-4-TRIFLUOROMETHYLSULFONAMIDOPYRAZOLE.
Claim 3
Dependent Claim
3 words
The compound 5-cyano-1,3-dimethyl-4-trifluoromethylsulfonamidopyrazole.
Claim 4
Dependent Claim
3 words
The compound 5-cyano-1,3-dimethyl-4-trifluoromethylsulfonamidopyrazole.
Claim 5
Dependent Claim
4 words
The compound 5-methyl-3 trifluoromethylsulfonamidopyrazole.
Claim 6
Dependent Claim
4 words
The compound 5-methyl-3 trifluoromethylsulfonamidopyrazole.
References Cited (Backward Citations)
US3374227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |