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US4720381A Expired / Lapsed US ⏱️ 0.0 years remaining

Acid stable monosorbitol acetal gels

Assignee: Procter and Gamble Co
•
Filing: 1986-03-07
•
Granted: 1988-01-19
•
Expires: 2006-03-07
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Abstract

Abstract Clear gel antiperspirant sticks comprising (a) about 37 to 94 percent by weight of a non-reactive alkanol, (b) about 1 to 10 percent of dibenzyl monosorbitol acetal, (c) 0 to 25 percent of an emollient, (d) about 5 to 25 percent of an antiperspirant active compound, and (e) about 0 to 3 percent of a C12 to C20 fatty acid.

Inventors

  • 👤 Thomas J. Schamper
  • 👤 Martin M. Perl
  • 👤 James D. Warren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:09
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/042; A61K8/0216; A61K8/0229; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61K8/40; A61K8/42; A61Q; A61Q15/00; A61K2800/00; A61K2800/20; A61K2800/26; A61K2800/262; Y; Y10; Y10S; Y10S424/00; Y10S424/05

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 109 words
A solid, transparent, gelled antiperspirant composition consisting essentially of: (a) about 1 to 10 percent by weight of dibenzyl monosorbitol acetal as a gelling agent; (b) 37 to 94 percent by weight of a solvent non-reactive with said dibenzyl monosorbitol acetal which is selected from the group consisting of C 3 to C 6 aliphatic secondary alcohol, C 4 to C 6 aliphatic dihydric alcohol and mixtures thereof; (c) 0 to 25 percent by weight of an emollient; (d) about 5 to 25 percent by weight of an antiperspirant-active metal salt; and (e) about 0 to 3 percent by weight of a C 12 to C 20 fatty acid.
Claim 2
Dependent Claim 109 words
A solid, transparent, gelled antiperspirant composition consisting essentially of: (a) about 1 to 10 percent by weight of dibenzyl monosorbitol acetal as a gelling agent; (b) 37 to 94 percent by weight of a solvent non-reactive with said dibenzyl monosorbitol acetal which is selected from the group consisting of C 3 to C 6 aliphatic secondary alcohol, C 4 to C 6 aliphatic dihydric alcohol and mixtures thereof; (c) 0 to 25 percent by weight of an emollient; (d) about 5 to 25 percent by weight of an antiperspirant-active metal salt; and (e) about 0 to 3 percent by weight of a C 12 to C 20 fatty acid.
Claim 3
Dependent Claim 19 words
A composition according to claim 1 wherein (b) is selected from 1,3-butylene glycol and 2.4-dihydroxy-2-methylpentane, N-(2-hydroxyethyl)acetamide and mixtures thereof.
Claim 4
Dependent Claim 15 words
A composition according to claim 1 wherein the acidic antiperspirant-active metal salt is aluminum chlorohydrex.
Claim 5
Dependent Claim 17 words
A composition according to claim 1 wherein the acidic antiperspirant-active metal salt is aluminum chlorhydroxy propylene glycol.
Claim 6
Dependent Claim 14 words
A composition according to claim 1 wherein the acidic antiperspirant-active metal salt is aluminum-zirconium.
Claim 7
Dependent Claim 21 words
A composition according to claim 1 wherein the amount of said emollient is from about 3 to 20 percent by weight.
Claim 8
Dependent Claim 13 words
A composition according to claim 6 wherein said emollient is a cyclic dimethylsiloxane.

References Cited (Backward Citations)

JPS548729A Cited
EP0024365A2 Cited
GB2062466A Cited
US4346079A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-01-18 1991-07-20 1992-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-01-18 1995-07-20 1996-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-01-18 1999-07-20 2000-01-19 $7700.00 Window Closed / Lapsed

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