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US4184041A Expired / Lapsed US ⏱️ 0.0 years remaining

2-Substituted-5-trifluoromethylpyridine compounds

Assignee: Ishihara Sangyo Kaisha Ltd
•
Filing: 1978-03-22
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Granted: 1980-01-15
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Expires: 1998-03-22
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Abstract

Abstract A 2-substituted-5-trifluoromethylpyridine compound represented by the following general formula (I): ##STR1## wherein X represents a hydrogen atom or a chlorine atom, and Y represents a fluorine atom or a chlorine atom, 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 2026-11-02 22:53
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D213/643; A; A01; A01N; A01N43/00; A01N43/34; A01N43/40; C07D213/61

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 26 words
A 2-substituted-5-trifluoromethylpyridine compound represented by the following formula (I): ##STR6## wherein X represents a chlorine atom, and Y represents a fluorine atom or a chlorine atom.
Claim 2
Dependent Claim 26 words
A 2-substituted-5-trifluoromethylpyridine compound represented by the following formula (I): ##STR6## wherein X represents a chlorine atom, and Y represents a fluorine atom or a chlorine atom.
Claim 3
Dependent Claim 1 words
2-Fluoro-5-trifluoromethylpyridine.
Claim 4
Dependent Claim 1 words
2-Fluoro-5-trifluoromethylpyridine.
Claim 5
Dependent Claim 1 words
2,3-Dichloro-5-trifluoromethylpyridine.
Claim 6
Dependent Claim 1 words
2,3-Dichloro-5-trifluoromethylpyridine.

References Cited (Backward Citations)

US2516402A Cited
US3755329A Cited
US4038396A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-01-14 1983-07-16 1984-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-01-14 1987-07-16 1988-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-01-14 1991-07-16 1992-01-15 $7700.00 Window Closed / Lapsed

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