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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
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Granted: 1979-05-01
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Expires: 1998-03-22
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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 15:44
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

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