Patent US5006529A successfully refreshed from Google Patents.
US5006529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap compositions of enhanced antimicrobial effectiveness
Assignee: Lever Brothers Co
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Filing: 1990-06-20
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Granted: 1991-04-09
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Expires: 2010-06-20
Abstract
Abstract A cleaning composition is disclosed comprising a mixture of soap, non-soap anionic surfactant and 2,4,4'-trichloro-2'-hydroxy diphenyl ether. Especially preferred surfactants are acyl isethionate and alkyl glycerol ether sulfonate salts. The ratio of fatty acid salt to surfactant ranges from 4:1 to 1:0.98.
Inventors
- 👤 Carol M. Resch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:33
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; C11D10/00; C11D10/04; C11D10/042; C11D1/00; C11D1/02; C11D1/12; C11D1/126
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
109 words
A method for controlling the growth of bacteria on the skin comprising applying to the skin water and a toilet bar whose composition comprises: (i) from 30 to 70% of a C 12 -C 22 fatty acid salt; (ii) a non-soap anionic surface active agent which is a C 10 -C 22 acyl isethionate salt; (iii) from 1 to 40% of C 12 -C 18 free fatty acid; (iv) from 0.5 to 15% of sodium isethionate; and (v) from 0.1 to 2% of 2,4,4'-trichloro-2'-hydroxy diphenyl ether in an amount effective to reduce body odor, the ratio of fatty acid salt to surface active agent being from 2.5:1 to 1.5:1.
Claim 2
Independent Claim
109 words
A method for controlling the growth of bacteria on the skin comprising applying to the skin water and a toilet bar whose composition comprises: (i) from 30 to 70% of a C 12 -C 22 fatty acid salt; (ii) a non-soap anionic surface active agent which is a C 10 -C 22 acyl isethionate salt; (iii) from 1 to 40% of C 12 -C 18 free fatty acid; (iv) from 0.5 to 15% of sodium isethionate; and (v) from 0.1 to 2% of 2,4,4'-trichloro-2'-hydroxy diphenyl ether in an amount effective to reduce body odor, the ratio of fatty acid salt to surface active agent being from 2.5:1 to 1.5:1.
Claim 3
Dependent Claim
19 words
A method according to claim 1 wherein the fatty acid salt to surface active agent ratio is about 2:1.
Claim 4
Dependent Claim
11 words
A method according to claim 1 wherein the bar is opaque.
Claim 5
Dependent Claim
24 words
A method according to claim 1 wherein the C 12 -C 22 fatty acid salt is present in an amount from 35 to 60%.
Claim 6
Dependent Claim
28 words
A method according to claim 1 wherein the composition further comprises adjunct ingredients selected from the group consisting of Perfumes, colorants, preservatives, electrolyte salts, water and mixtures thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-04-08 | 1994-10-08 | 1995-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-08 | 1998-10-08 | 1999-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-08 | 2002-10-08 | 2003-04-09 | $7700.00 | Window Closed / Lapsed |