US4130433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial biocides
Assignee: Angus Chemical Co
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Filing: 1977-06-10
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Granted: 1978-12-19
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Expires: 1997-06-10
Abstract
Abstract N-Phenoxyphenyl or N-phenylthiophenyl maleimides or 2,3-dichloromaleimides carrying optional substituents in the phenyl rings are potent biocides capable of protecting fabrics and plastics from fungal or bacterial attacks.
Inventors
- 👤 Frank C. Becker
- 👤 Jorge P. Li
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:29
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/14; A; A01; A01N; A01N37/00; A01N37/18; A01N37/32; A01N37/36; A01N37/38; A01N37/40; A01N37/44; A01N37/46; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4913; A61Q; A61Q17/00; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C07D207/452; C07D207/456
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
64 words
A compound of the formula ##STR3## wherein substituents X both are either hydrogen or chlorine, Y represents 0-1 and Y' represents 0-2 substituents taken from the group consisting of halogen, trifluoromethyl, alkoxy with 1-4 carbon atoms, nitro, carboxy and loweralkoxycarbonyl, and Z is O or S, with the proviso that when Z is O, at least one substituent Y or Y' must be present.
Claim 2
Dependent Claim
64 words
A compound of the formula ##STR3## wherein substituents X both are either hydrogen or chlorine, Y represents 0-1 and Y' represents 0-2 substituents taken from the group consisting of halogen, trifluoromethyl, alkoxy with 1-4 carbon atoms, nitro, carboxy and loweralkoxycarbonyl, and Z is O or S, with the proviso that when Z is O, at least one substituent Y or Y' must be present.
Claim 3
Dependent Claim
49 words
A compound of the formula ##STR4## wherein X is H or Cl, Y is H or Cl, Y' is H, NO 2 , Cl or 2 chlorines and Z is O or S, with the proviso that where Z is O, either Y or Y' is different from hydrogen.
Claim 4
Dependent Claim
49 words
A compound of the formula ##STR4## wherein X is H or Cl, Y is H or Cl, Y' is H, NO 2 , Cl or 2 chlorines and Z is O or S, with the proviso that where Z is O, either Y or Y' is different from hydrogen.
Claim 5
Dependent Claim
25 words
The compound of claim 1 wherein each X is Cl, Z is O, Y is H and Y' represents NO 2 , Clor 2 chlorines.
Claim 6
Dependent Claim
7 words
The compound of claim 3, N-[p-(2,4-dichlorophenoxy) phenyl]maleimide.
Claim 7
Dependent Claim
6 words
The compound of claim 2, N-[p-(2,4-dichlorophenoxy)-2-methoxycarbonylphenyl]maleimide.
Claim 8
Dependent Claim
6 words
The compound of claim 2, N-[p-(4-nitrophenylthio)phenyl]-2,3-dichloromaleimide.
Claim 9
Dependent Claim
7 words
The compound of claim 2 N-[p-(4-nitrophenylthio) phenyl]maleimide.
Claim 10
Dependent Claim
6 words
The compound of claim 2, N-(p-phenylthiophenyl)maleimide.
Claim 11
Independent Claim
115 words
The method of protecting a cellulosic, plastic or film-forming polymeric composition, knitted, woven, molded or extruded into a continuous form, against bacterial or fungal attack upon exposure to an environment containing common bacteria and fungi, comprising incorporating into said continuous form or coating said composition with a biocidally effective amount of a maleimide of the formula ##STR5## wherein both substituents X are either hydrogen or chlorine, Y represents 0-2 and Y' represents 0-2 substituents taken from the group consisting of halogen, trifluoromethyl, alkoxy with 1-4 carbon atoms, nitro, carboxy and loweralkoxycarbonyl, and Z is O or S, with the proviso that when Z is O, at least one substituent Y or Y' must be present.
Claim 12
Independent Claim
115 words
The method of protecting a cellulosic, plastic or film-forming polymeric composition, knitted, woven, molded or extruded into a continuous form, against bacterial or fungal attack upon exposure to an environment containing common bacteria and fungi, comprising incorporating into said continuous form or coating said composition with a biocidally effective amount of a maleimide of the formula ##STR5## wherein both substituents X are either hydrogen or chlorine, Y represents 0-2 and Y' represents 0-2 substituents taken from the group consisting of halogen, trifluoromethyl, alkoxy with 1-4 carbon atoms, nitro, carboxy and loweralkoxycarbonyl, and Z is O or S, with the proviso that when Z is O, at least one substituent Y or Y' must be present.
Claim 13
Dependent Claim
17 words
The process of claim 9, wherein said biocidally effective amount is between 0.005 and 5.0% by weight.
Claim 14
Dependent Claim
10 words
The process of claim 9 wherein said maleimide is N-[p-(2,4-dichlorophenoxy)-2-methoxycarbonylphenyl]maleimide.
Claim 15
Dependent Claim
10 words
The process of claim 9 wherein said maleimide is N-[p-(2,4-dichlorophenoxy)phenyl]maleimide.
Claim 16
Dependent Claim
10 words
The process of claim 9 wherein said maleimide is N-[p-(4-nitrophenylthio)phenyl]-2,3-dichloromaleimide.
Claim 17
Dependent Claim
10 words
The process of claim 9 wherein said maleimide is N-[p-(4-nitrophenylthio)phenyl]maleimide.
Claim 18
Dependent Claim
10 words
The process of claim 9 wherein said maleimide is N-(p-phenylthiophenyl)maleimide.
References Cited (Backward Citations)
US3821247A
Cited
GB1346586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |