Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2001-10-25
2004-02-24
Ogden, Necholus (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C510S147000, C510S152000, C510S445000, C510S481000, C510S499000
Reexamination Certificate
active
06696398
ABSTRACT:
BACKGROUND OF THE INVENTION
Soap-containing compositions generally need to be protected against decomposition as shown by discoloring, particularly yellowing, of the composition. Such protection usually comes from various opacifying materials present in a soap composition such as titanium dioxide, zinc oxide, and the like. However, certain solid soap-containing compositions are desirably translucent or even transparent. Opacifiers and other materials which bring about opaqueness and behave as discoloration inhibitors are absent from these compositions. Therefore, discoloration, particularly yellowing of the solid soap-containing compositions can be a significant issue. Such discoloration can become even more exacerbated when the container has at least one window through which the translucent or transparent soap bar can be visualized by the human eye, or the entire container is made from a material through which the translucent or transparent soap bar can be viewed.
Such discoloration of a transparent or translucent soap bar, particularly translucent, has now been essentially overcome through use of an antidiscoloring effective quantity of a specific benzotriazole namely 2-(2H-benzotriazol-2-yl)-6-dodecyl-4-methylphenol wherein the dodecyl is branched and/or linear with a CAS Number 23328-53-2/125304-04-3/104487-30-1 and INCI name of benzotriazolyl dodecyl p-cresol. It is available from Ciba Specialty Chemicals as Tinogard TL.
SUMMARY OF THE INVENTION
In accordance with the invention, there is a solid transparent or translucent cleansing composition comprising a cleansing effective amount of soap and an antidiscoloration effective amount of 2-(2H-benzotriazol-2-yl)-6-dodecyl-4-methylphenol.
REFERENCES:
patent: 5496489 (1996-03-01), Dussault et al.
patent: WO9744422 (1997-11-01), None
patent: WO9800505 (1998-08-01), None
patent: WO0063282 (2000-10-01), None
patent: WO0025730 (2000-11-01), None
patent: WO0109277 (2001-08-01), None
Tinogard™ TL Liquid Benzotriazole UV Absorber; Ciba Specialty Chemicals Corporation.
Allen, Jr. Aberdeen
Garcia Enrique Joel Valencia
Barancik Martin B.
Colgate-Palmolive Company
Ogden Necholus
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