Patent US3901935A successfully refreshed from Google Patents.
US3901935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanophenyl sulfoxides and sulfones
Assignee: Dow Chemical Co
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Filing: 1974-02-19
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Granted: 1975-08-26
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Expires: 1994-02-19
Abstract
Abstract Fungicidal cyanophenyl sulfoxides and sulfones having the formula: WHEREIN M IS 1 OR 2; N IS 1 OR 2; P IS 2, 3 OR 4; R is an alkyl or alkenyl group having 1 to 4 carbons and substituted with zero to two -Br, -Cl or F radicals; and X is -Br or -Cl, independently in each occurrence. The dicyano compounds are more active and are accordingly preferred. The disclosed compounds are of particular utility as paint film preservatives and microbicides.
Inventors
- 👤 Penelope B Domenico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:29
CPC Classifications
C; C07; C07C; C07C317/00
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
9 words
The compounds of claim 1 wherein m is 2.
Claim 4
Dependent Claim
26 words
The compounds of claim 1 in which the sum of m and p are 5 and X is -Br or -Cl, the same in each occurrence.
Claim 5
Dependent Claim
13 words
The compounds of claim 1 in which R has one or two carbons.
Claim 6
Dependent Claim
8 words
The compounds of claim 3 which are phthalonitriles.
Claim 7
Dependent Claim
1 words
2,3,5,6-Tetrachloro-4-(methylsulfonyl)-benzonitrile.
Claim 8
Dependent Claim
1 words
2,3,5,6-Tetrachloro-4-(methylsulfonyl)-benzonitrile.
Claim 9
Dependent Claim
1 words
2,3,5,6-Tetrachloro-4-(chloromethylsulfonyl)-benzonitrile.
Claim 10
Dependent Claim
1 words
2,3,5,6-Tetrachloro-4-(chloromethylsulfonyl)-benzonitrile.
Claim 11
Dependent Claim
1 words
2,4,5-Trichloro-6-(ethylsulfinyl)-isophthalonitrile.
Claim 12
Dependent Claim
1 words
2,4,5-Trichloro-6-(ethylsulfinyl)-isophthalonitrile.
Claim 13
Dependent Claim
1 words
3,4,6-Trichloro-5-(methylsulfinyl)-phthalonitrile.
Claim 14
Dependent Claim
1 words
3,4,6-Trichloro-5-(methylsulfinyl)-phthalonitrile.
Claim 15
Dependent Claim
1 words
3,4,6-Trichloro-5-methylsulfonyl)-phthalonitrile.
Claim 16
Dependent Claim
1 words
3,4,6-Trichloro-5-methylsulfonyl)-phthalonitrile.
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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |