Patent US4235733A successfully refreshed from Google Patents.
US4235733A
Expired / Lapsed
US
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Antibacterial soap containing trichlorohydroxy diphenyl ether bactericide and an organic phosphoric ester as a stabilizer therefor
Assignee: Kao Corp
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Filing: 1979-07-11
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Granted: 1980-11-25
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Expires: 1999-07-11
Abstract
Abstract An antibacterial soap comprising 2,4,4'-trichloro-2'-hydroxydiphenylether in a range of 0.05 to 5% by weight and at least one organic phosphoric ester represented by the formula, ##STR1## wherein R represents an alkyl group having 8 to 20 carbon atoms, or a group of ##STR2## in which R 1 is an alkyl group having 8 to 20 carbon atoms, R 2 is a hydrogen atom or a methyl group, and n is an integer of 1 to 10; R' represents the same group as R, or a hydrogen atom or an alkali metal; and M represents a hydrogen atom or an alkali metal exerts a wide range of antibacterial activities and marked resistance to discoloration upon exposure to sunlight.
Inventors
- 👤 Hiroshi Watanabe
- 👤 Masatoshi Arisawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:21
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0084; C11D3/48
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
119 words
An antibacterial soap comprising 2,4,4'-trichloro-2'-hydroxy-diphenylether in a range of 0.05 to 5% by wt. and at least one organic phosphoric ester represented by the formula: ##STR7## wherein R represents an alkyl group having 8 to 20 carbon atoms, or a group of ##STR8## in which R 1 is an alkyl group having 8 to 20 carbon atoms, R 2 is a hydrogen atom or a methyl group, and n is an integer of 1 to 10; R 1 represents the same group as R, or an hydrogen atom or an alkali metal; and M represents a hydrogen atom or an alkali metal; and wherein said organic phosphoric ester is added in a range of 0.1 to 20% by weight.
Claim 2
Dependent Claim
119 words
An antibacterial soap comprising 2,4,4'-trichloro-2'-hydroxy-diphenylether in a range of 0.05 to 5% by wt. and at least one organic phosphoric ester represented by the formula: ##STR7## wherein R represents an alkyl group having 8 to 20 carbon atoms, or a group of ##STR8## in which R 1 is an alkyl group having 8 to 20 carbon atoms, R 2 is a hydrogen atom or a methyl group, and n is an integer of 1 to 10; R 1 represents the same group as R, or an hydrogen atom or an alkali metal; and M represents a hydrogen atom or an alkali metal; and wherein said organic phosphoric ester is added in a range of 0.1 to 20% by weight.
Claim 3
Dependent Claim
22 words
The antibacterial soap according to claim 1 wherein said organic phosphoric ester is a monoalkylphosphoric ester having 8 to 20 carbon atoms.
Claim 4
Dependent Claim
23 words
The antibacterial soap according to claim 1, wherein said organic phosphoric ester is added in a range of 0.5 to 5% by weight.
References Cited (Backward Citations)
GB742534A
Cited
US2765279A
Cited
US3346670A
Cited
US3312623A
Cited
US3284362A
Cited
US3625903A
Cited
US3700601A
Cited
US3925227A
Cited
US4111844A
Cited
US4115295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-25 | 1984-05-26 | 1984-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-25 | 1988-05-26 | 1988-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-25 | 1992-05-26 | 1992-11-25 | $7700.00 | Window Closed / Lapsed |