US4008274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain salicylanilides
Assignee: Tanabe Pharma Corp
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Filing: 1974-06-25
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Granted: 1977-02-15
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Expires: 1994-06-25
Abstract
Abstract Salicylanilides of the formula: <IMAGE> wherein each of R1 and R2 is hydrogen or methyl; R3 is hydrogen or C1-5 alkyl; R4 is hydrogen, nitro or methyl; and R5 is nitro, methyl, methoxy, ethoxy, methylthio or ethylthio, having utility as antifouling agents but having very low mammalian toxicity.
Inventors
- 👤 Kenichi Sawatari
- 👤 Toshihiko Mukai
- 👤 Satoshi Oda
- 👤 Hiroyuki Akashi
- 👤 Masanori Kohara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:53
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16; C09D5/1606; C09D5/1612; C09D5/1625; A; A01; A01N; A01N37/00; A01N37/36; A01N37/38; A01N37/40; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/52; C01; C01B; C01B17/00; C01B17/48; C01B17/50; C01B17/60; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
3 words
The compound 2',5-Dimethyl-4'-nitrosalicylanilide.
Claim 2
Dependent Claim
3 words
The compound 2',5-Dimethyl-4'-nitrosalicylanilide.
Claim 3
Dependent Claim
3 words
The compound 3',5-Dimethyl-4'-nitrosalicylanilide.
Claim 4
Dependent Claim
3 words
The compound 3',5-Dimethyl-4'-nitrosalicylanilide.
Claim 5
Dependent Claim
3 words
The compound 2'-Methyl-4'-nitro-5-isopropylsalicylanilide.
Claim 6
Dependent Claim
3 words
The compound 2'-Methyl-4'-nitro-5-isopropylsalicylanilide.
Claim 7
Dependent Claim
3 words
The compound 2'-Methyl-5'-nitro-5-isopropylsalicylanilide.
Claim 8
Dependent Claim
3 words
The compound 2'-Methyl-5'-nitro-5-isopropylsalicylanilide.
Claim 9
Dependent Claim
3 words
The compound 4'-Nitro-5-isopropylsalicylanilide.
Claim 10
Dependent Claim
3 words
The compound 4'-Nitro-5-isopropylsalicylanilide.
Claim 11
Dependent Claim
3 words
The compound 5-Tert-butyl-2'-methyl-4'-nitrosalicylanilide.
Claim 12
Dependent Claim
3 words
The compound 5-Tert-butyl-2'-methyl-4'-nitrosalicylanilide.
Claim 13
Dependent Claim
3 words
The compound 5-Tert-butyl-3'-methyl-4'-nitrosalicylanilide.
Claim 14
Dependent Claim
3 words
The compound 5-Tert-butyl-3'-methyl-4'-nitrosalicylanilide.
Claim 15
Dependent Claim
3 words
The compound 5-Tert-butyl-2'-methyl-5'-nitrosalicylanilide.
Claim 16
Dependent Claim
3 words
The compound 5-Tert-butyl-2'-methyl-5'-nitrosalicylanilide.
Claim 17
Dependent Claim
3 words
The compound 5-Tert-amyl-2'-methyl-4'-nitrosalicylanilide.
Claim 18
Dependent Claim
3 words
The compound 5-Tert-amyl-2'-methyl-4'-nitrosalicylanilide.
Claim 19
Dependent Claim
3 words
The compound 5-Tert-amyl-3'-methyl-4'-nitrosalicylanilide.
Claim 20
Dependent Claim
3 words
The compound 5-Tert-amyl-3'-methyl-4'-nitrosalicylanilide.
Claim 21
Dependent Claim
3 words
The compound 5-Tert-amyl-4'-nitrosalicylanilide.
Claim 22
Dependent Claim
3 words
The compound 5-Tert-amyl-4'-nitrosalicylanilide.
Claim 23
Dependent Claim
3 words
The compound 5-Tert-amyl-2'-methyl-5'-nitrosalicylanilide.
Claim 24
Dependent Claim
3 words
The compound 5-Tert-amyl-2'-methyl-5'-nitrosalicylanilide.
Claim 25
Dependent Claim
3 words
The compound 5-Tert-amyl-2'-methoxy-4'-nitrosalicylanilide.
Claim 26
Dependent Claim
3 words
The compound 5-Tert-amyl-2'-methoxy-4'-nitrosalicylanilide.
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) | 1980-02-15 | 1980-08-16 | 1981-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-15 | 1984-08-16 | 1985-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-15 | 1988-08-16 | 1989-02-15 | $7700.00 | Window Closed / Lapsed |