US4152328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-phenoxy-5-trifluoromethylpyridine compounds and process for preparation thereof
Assignee: Ishihara Sangyo Kaisha Ltd
•
Filing: 1978-03-22
•
Granted: 1979-05-01
•
Expires: 1998-03-22
Abstract
Abstract A 2-phenoxy-5-trifluoromethylpyridine compound represented by the following general formula (I): ##STR1## wherein X represents a hydrogen atom or a chlorine atom, and R represents a hydrogen atom or a cation, and a process for the preparation thereof.
Inventors
- 👤 Ryuzo Nishiyama
- 👤 Kanichi Fujikawa
- 👤 Takahiro Haga
- 👤 Kuniaki Nagatani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:33
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D213/643; C07D213/61
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
30 words
A 2-phenoxy-5-trifluoromethylpyridine compound represented by the following general formula (I): ##STR9## wherein X represents a hydrogen atom or a chlorine atom, and R represents a hydrogen atom or a cation.
Claim 2
Dependent Claim
30 words
A 2-phenoxy-5-trifluoromethylpyridine compound represented by the following general formula (I): ##STR9## wherein X represents a hydrogen atom or a chlorine atom, and R represents a hydrogen atom or a cation.
Claim 3
Dependent Claim
12 words
The compound according to claim 1, wherein X represents a hydrogen atom.
Claim 4
Dependent Claim
12 words
The compound according to claim 1, wherein X represents a chlorine atom.
Claim 5
Dependent Claim
22 words
The compound according to claim 1, wherein said cation for R is a sodium ion, a potassium ion, or an ammonium ion.
Claim 6
Dependent Claim
5 words
2-(4-Hydroxyphenoxy)-5-trifluoromethylpyridine, according to claim 1.
Claim 7
Dependent Claim
7 words
4-(5-Trifluoromethylpyridyl-2-oxy)phenol sodium salt, according to claim 1.
Claim 8
Dependent Claim
5 words
2-(4-Hydroxyphenoxy)-3-chloro-5-trifluoromethylpyridine, according to claim 1.
Claim 9
Dependent Claim
7 words
4-(3-Chloro-5-trifluoromethylpyridyl-2-oxy)phenol potassium salt, according to claim 1.
References Cited (Backward Citations)
US4080443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-30 | 1982-10-30 | 1983-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-30 | 1986-10-30 | 1987-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-30 | 1990-10-30 | 1991-05-01 | $7700.00 | Window Closed / Lapsed |