Bleaching compositions
First Claim
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1. A bleaching composition comprising a bleach, a borate or boric acid or a mixture thereof and 0.001% to 5% by weight of the total composition of a metal oxide selected from the group consisting of oxides of Sn, Zn, Al, Bi, Ga, Ge, Sb and Mg or a mixture thereof.
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Abstract
The present invention relates to bleaching compositions comprising a bleach, a borate or boric acid or a mixture thereof and less than 5% by weight of the total composition of a metal oxide selected from the group consisting of Sn, Ti, Zn, Al, Bi, Ga, Ge, Sb and Mg or a mixture thereof. These bleaching compositions exhibit excellent fabric yellowing-prevention performance and/or fabric safety.
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21 Claims
- 1. A bleaching composition comprising a bleach, a borate or boric acid or a mixture thereof and 0.001% to 5% by weight of the total composition of a metal oxide selected from the group consisting of oxides of Sn, Zn, Al, Bi, Ga, Ge, Sb and Mg or a mixture thereof.
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21. A method of preventing yellowing of fabric and/or enhancing fabric safety comprising adding a metal oxide selected from the group consisting of oxides of Sn, Ti, Zn, Al, Bi, Ga, Ge, Sb and Mg or a mixture thereof and a borate or boric acid or a mixture thereof to a bleaching composition to form a fabric bleaching composition and treating said fabric with said fabric bleaching composition.
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