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US5320827A
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Encapsulated aluminum-zirconium compositions
Assignee: Dow Silicones Corp
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Filing: 1993-06-08
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Granted: 1994-06-14
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Expires: 2013-06-08
Abstract
Abstract Encapsulated aluminum-zirconium salt compositions are produced by combining and heating an aqueous aluminum- zirconium salt selected from aluminum-zirconium halohydrates and mixtures thereof; a hydrophobic liquid; and a carboxylate. The mixture is heated until substantially all of the free water has been removed. The encapsulated aluminum-zirconium salts precipitate out after the removal of the water. The encapsulated aluminum-zirconium salts are useful in deodorant and antiperspirant compositions.
Inventors
- 👤 Lori J. Conway
- 👤 Dimitris E. Katsoulis
- 👤 William J. Schulz, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:14
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/11; A61K8/18; A61K8/19; A61K8/26; A61K8/28; A61Q; A61Q15/00; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
123 words
An aerosol composition comprising (A) 1% to 20% by weight of an encapsulated aluminum-zirconium salt composition comprising (I) an aluminum-zirconium salt selected from the group consisting of aluminum-zirconium halohydrates; contained in a shell comprising (II) a carboxylate or mixture of carboxylates selected from the group consisting of carboxylates having the formula ##STR4## wherein R 1 is selected from the group consisting of a saturated or unsaturated, branched or linear alkyl group consisting of at least 2 carbon atoms, a phenyl group, and a phenyl ethylene group; and Z is selected from the group consisting of hydrogen atoms, alkali metals, glyceryl and mixtures thereof; (B) 50% to 90% by weight of propellant; and (C) 5% to 15% by weight of an anhydrous carrier liquid.
Claim 2
Dependent Claim
123 words
An aerosol composition comprising (A) 1% to 20% by weight of an encapsulated aluminum-zirconium salt composition comprising (I) an aluminum-zirconium salt selected from the group consisting of aluminum-zirconium halohydrates; contained in a shell comprising (II) a carboxylate or mixture of carboxylates selected from the group consisting of carboxylates having the formula ##STR4## wherein R 1 is selected from the group consisting of a saturated or unsaturated, branched or linear alkyl group consisting of at least 2 carbon atoms, a phenyl group, and a phenyl ethylene group; and Z is selected from the group consisting of hydrogen atoms, alkali metals, glyceryl and mixtures thereof; (B) 50% to 90% by weight of propellant; and (C) 5% to 15% by weight of an anhydrous carrier liquid.
Claim 3
Dependent Claim
24 words
The aerosol composition as claimed in claim 1 wherein the composition is comprised of 8% to 12% by weight of the encapsulated aluminum-zirconium salt.
Claim 4
Dependent Claim
123 words
A stick composition comprising (A) 1% to 20% by weight of an encapsulated aluminum-zirconium salt composition comprising (I) an aluminum-zirconium salt selected from the group consisting of aluminum-zirconium halohydrates; contained in a shell comprising (II) a carboxylate or mixture of carboxylates selected from the group consisting of carboxylates having the formula ##STR5## wherein R 1 is selected from the group consisting of a saturated or unsaturated, branched or linear alkyl group consisting of at least 2 carbon atoms, a phenyl group, and a phenyl ethylene group; and Z is selected from the group consisting of hydrogen atoms, alkali metals, glyceryl and mixtures thereof; (B) 20% to 65% by weight of a carrier fluid; and (C) 5% to 30% by weight of a gellant.
Claim 5
Dependent Claim
123 words
A stick composition comprising (A) 1% to 20% by weight of an encapsulated aluminum-zirconium salt composition comprising (I) an aluminum-zirconium salt selected from the group consisting of aluminum-zirconium halohydrates; contained in a shell comprising (II) a carboxylate or mixture of carboxylates selected from the group consisting of carboxylates having the formula ##STR5## wherein R 1 is selected from the group consisting of a saturated or unsaturated, branched or linear alkyl group consisting of at least 2 carbon atoms, a phenyl group, and a phenyl ethylene group; and Z is selected from the group consisting of hydrogen atoms, alkali metals, glyceryl and mixtures thereof; (B) 20% to 65% by weight of a carrier fluid; and (C) 5% to 30% by weight of a gellant.
Claim 6
Dependent Claim
114 words
A roll-on composition comprising (A) 1% to 20% by weight of an encapsulated aluminum-zirconium salt composition comprising (I) an aluminum-zirconium salt selected from the group consisting of aluminum-zirconium halohydrates; contained in a shell comprising (II) a carboxylate or mixture of carboxylates selected from the group consisting of carboxylates having the formula ##STR6## wherein R 1 is selected from the group consisting of a saturated or unsaturated, branched or linear alkyl group consisting of at least 2 carbon atoms, a phenyl group, and a phenyl ethylene group; and Z is selected from the group consisting of hydrogen atoms, alkali metals, glyceryl and mixtures thereof; and (B) 60% to 90% by weight of a carrier fluid.
Claim 7
Dependent Claim
114 words
A roll-on composition comprising (A) 1% to 20% by weight of an encapsulated aluminum-zirconium salt composition comprising (I) an aluminum-zirconium salt selected from the group consisting of aluminum-zirconium halohydrates; contained in a shell comprising (II) a carboxylate or mixture of carboxylates selected from the group consisting of carboxylates having the formula ##STR6## wherein R 1 is selected from the group consisting of a saturated or unsaturated, branched or linear alkyl group consisting of at least 2 carbon atoms, a phenyl group, and a phenyl ethylene group; and Z is selected from the group consisting of hydrogen atoms, alkali metals, glyceryl and mixtures thereof; and (B) 60% to 90% by weight of a carrier fluid.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-06-13 | 1997-12-13 | 1998-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-13 | 2001-12-13 | 2002-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-13 | 2005-12-13 | 2006-06-14 | $7700.00 | Window Closed / Lapsed |