US5989530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bleaching composition for human hair and process for its production
Assignee: Kao Germany GmbH
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Filing: 1993-03-03
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Granted: 1999-11-23
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Expires: 2013-03-03
Abstract
Abstract A dustless, free-flowing powdery bleaching material for human hair which comprises a powdery composition of at least one solid peroxide compound and at least one pulverulent carrier material admixed with an oil and/or a liquid wax.
Inventors
- 👤 Heribert Lorenz
- 👤 Frank Kufner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:09
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/18; A61K8/30; A61K8/31; A61K8/33; A61K8/39; A61Q; A61Q5/00; A61Q5/08; Y; Y10; Y10S; Y10S424/00; Y10S424/03
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
74 words
A powdered composition for the bleaching of human hair which comprises: (A) an effective human hair bleaching amount of at least one solid peroxide compound; (B) at least one powdered carrier material; and (C) about 2.5 to 25% by weight, based on the weight of the total composition of at least one member selected from the group consisting of an oil and a liquid wax, said member making said powdered composition dust-free and flowable.
Claim 2
Dependent Claim
74 words
A powdered composition for the bleaching of human hair which comprises: (A) an effective human hair bleaching amount of at least one solid peroxide compound; (B) at least one powdered carrier material; and (C) about 2.5 to 25% by weight, based on the weight of the total composition of at least one member selected from the group consisting of an oil and a liquid wax, said member making said powdered composition dust-free and flowable.
Claim 3
Dependent Claim
21 words
The composition according to claim 1, wherein said member is present in an amount of about 5 to 15% by weight.
Claim 4
Dependent Claim
12 words
The composition according to claim 1 wherein said oil includes paraffin oil.
Claim 5
Dependent Claim
18 words
The composition according to claim 1, which further contains 0.1 to 1% by weight of a non-ionic surfactant.
Claim 6
Dependent Claim
27 words
The composition according to claim 4, wherein the non-ionic surfactant is selected from the group consisting of a fatty alcohol polyglycol ether and an alkylphenol polyglycol ether.
Claim 7
Dependent Claim
23 words
The powdery composition of claim 1, wherein the oil is selected from the group consisting of synthetic oils, vegetable oils, and animal oils.
Claim 8
Dependent Claim
17 words
The powdered composition of claim 1, wherein the wax has a melting point less than 50° C.
Claim 9
Dependent Claim
22 words
The powdered composition of claim 5, wherein the non-ionic surfactant is present in an amount of about 0.1 to 2.5% by weight.
Claim 10
Dependent Claim
30 words
The powdered composition of claim 1, wherein the solid peroxide is selected from the group consisting of potassium persulfate, ammonium persulfate, magnesium peroxide, urea peroxide, melamine peroxide, and mixtures thereof.
Claim 11
Dependent Claim
21 words
The powdered composition of claim 1, wherein the particles of the powdered composition have a diameter of less than 500 microns.
Claim 12
Dependent Claim
75 words
A process for the preparation of a powdered composition for the bleaching of human hair which comprises applying a member selected from the group consisting of an oil and a liquid wax, in an amount of about 2.5 to 25% by weight, based on the weight of the total composition, to a powdered composition comprising an effective human hair bleaching amount of at least one solid peroxide compound and at least one powdered carrier material.
Claim 13
Dependent Claim
75 words
A process for the preparation of a powdered composition for the bleaching of human hair which comprises applying a member selected from the group consisting of an oil and a liquid wax, in an amount of about 2.5 to 25% by weight, based on the weight of the total composition, to a powdered composition comprising an effective human hair bleaching amount of at least one solid peroxide compound and at least one powdered carrier material.
Claim 14
Dependent Claim
19 words
The process of claim 11, wherein the oil member or the wax member is sprayed on the powdered composition.
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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) | 2002-11-22 | 2003-05-24 | 2003-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-22 | 2007-05-24 | 2007-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-22 | 2011-05-24 | 2011-11-23 | $7700.00 | Window Closed / Lapsed |