← Back to Patent Explorer
US4832861A Expired / Lapsed US ⏱️ 0.0 years remaining

Soap compositions of enhanced antimicrobial effectiveness

Assignee: Lever Brothers Co
•
Filing: 1988-05-27
•
Granted: 1989-05-23
•
Expires: 2008-05-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A cleaning composition is disclosed comprising a mixture of soap, acyl isethionate salts and 2,4,4'-trichloro-2'-hydroxy diphenyl ether. The ratio of soap to acyl isethionate salt ranges from 2.5:1 to 1.5:1.

Inventors

  • 👤 Carol M. Resch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:23
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: 8
Claim 1
Independent Claim 82 words
A cleaning composition comprising: (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 a 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, the ratio of fatty acid salt to surface active agent being from 2.5:1 to 1.5:1.
Claim 2
Dependent Claim 82 words
A cleaning composition comprising: (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 a 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, 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 composition according to claim 1 wherein said surface active agent is a C 10 -C 22 acyl isethionate.
Claim 4
Dependent Claim 19 words
A composition according to claim 1 wherein the fatty acid salt to surface active agent ratio is about 2:1.
Claim 5
Dependent Claim 14 words
A composition according to clam 1 in the form of an opaque toilet bar.
Claim 6
Dependent Claim 14 words
A composition according to clam 1 in the form of an opaque toilet bar.
Claim 7
Dependent Claim 25 words
A composition according to claim 1 further comprising adjunct ingredients selected from the group consisting of perfumes, colorants, preservatives, electrolyte salt, water and mixtures thereof.
Claim 8
Dependent Claim 24 words
A composition according to claim 1 wherein the C 12 -C 22 fatty acid salt is present in an amount from 35 to 60%.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-05-22 1992-11-21 1993-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-05-22 1996-11-21 1997-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-05-22 2000-11-21 2001-05-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag