Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Specific organic component
Reexamination Certificate
2001-04-12
2002-10-29
Delcotto, Gregory (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Specific organic component
C510S350000, C510S351000, C510S499000, C510S501000, C510S473000, C544S242000, C544S402000, C548S300100, C548S335500
Reexamination Certificate
active
06472364
ABSTRACT:
TECHNICAL FIELD
The present invention relates to compositions or components comprising certain cyclic amine based polymers and certain anionic cellulose materials.
BACKGROUND OF THE INVENTION
It is known that fabrics and textiles simply wear out over time and with use. Also, the laundering of the fabrics and textiles, over many cycles, can accentuate and contribute to the deterioration of the integrity and the appearance of such fabrics and textiles. Deterioration of fabric integrity and appearance can manifest itself in several ways. For example, short fibers are dislodged from woven and knit fabric/textile structures by the mechanical action of laundering. These dislodged fibers may form lint, fuzz or “pills” which are visible on the surface of fabrics and diminish the appearance of newness of the fabric. Further, repeated laundering of fabrics and textiles, especially with bleach-containing laundry products, can remove dye from fabrics and textiles and impart a faded, worn out appearance as a result of diminished color intensity, and in many cases, as a result of changes in hues or shades of color.
Given the foregoing, there is clearly an ongoing need to identify materials which could be added to laundry detergent products that would associate themselves with the fibers of the fabrics and textiles laundered using such detergent products and thereby reduce or minimize the tendency of the laundered fabric/textiles to deteriorate in appearance. Any such detergent product additive material should, of course, be able to benefit fabric appearance and integrity without unduly interfering with the ability of the laundry detergent to perform its fabric cleaning function. Co-pending applications PCT/US98/19143 describes the use of certain cyclic amine based polymers which are found to provide excellent integrity benefits to fabrics.
The inventor has now found that when these amine based polymers are used in combination with specific anionic cellulose material, the fabric care and fabric integrity can be further improved. It is believed that these benefits are achieved because the anionic cellulose material and the amine based polymers having a positively charged group, interact together in such a manner that both polymeric materials have an improved surface activity, resulting in a better interaction with or deposition onto the surface of the fabric. It is believed that when the polymeric materials are present in an intimate mixture, such an interaction between the polymeric materials is even more likely to occur or even stronger, resulting in a greater benefit obtained when the polymeric materials are present in the product as an intimate mixture or in the same component or granule.
Not only an improved fabric integrity is achieved, but also an improved soil removal and whiteness or brightness maintenance is achieved when these compounds are used together. The inventor also found that when the anionic cellulose material and the amine based polymer are present in an intimate mixture, such as in the form of an agglomerate, a compacted granule or a spray dried granule, these benefits are even more apparent.
SUMMARY OF THE INVENTION
The present invention relates to a detergent composition or component or additive comprising:
a) from 0.01% to 90% by weight, preferably from 0.05% to 50% by weight, of a salt of an anionic cellulose material comprising an anionic substituent group R—X—Z wherein R is a saturated, unsaturated or aromatic hydrocarbon spacer group. X is oxygen, nitrogen or sulphur. Z is carboxylate, sulphonate, sulphate or phosphonate group; and
b) from 0.01% to 90% by weight, preferably from about 0.05% to about 20% by weight of a cyclic amine based polymer.
The present invention also relates to the laundering or treating of fabrics and textiles in aqueous washing or treating solutions formed from effective amounts of the detergent compositions or components described herein, or formed from the individual polymeric materials of such compositions or components. Laundering of fabrics and textiles in such washing solutions imparts fabric appearance benefits to the fabric and textile articles so treated. Such benefits can include improved overall appearance, pill/fuzz reduction, antifading, improved abrasion resistance, and/or enhanced softness and also improved whiteness and/or brightness maintenance or even improved cleaning performance.
The cyclic amine based polymers and the cellulose material are preferably in an intimate mixture with one another. In one preferred embodiment, the compounds are intimately mixed prior to introduction to the composition or component of the invention.
Preferably, the mixture is present in an agglomerated, compacted or spray-dried particle, when the composition or component is solid.
Hereby it may be preferred that the compounds are mixed with an anionic surfactant, preferably LAS, as described herein after. It may also be preferred that a hydrotrope is admixed to this mixture, preferably STS. Also preferably present in the mixture are inorganic and/or organic salts and acids and/or silicates or aluminosilicates, including zeolite, amorphous silicates, crystalline layered silicates, carbonate, bicarbonate, phosphate, citric acid, malic acid, maleic acid, tartaric acid or salts thereof, or mixtures of these ingredients.
REFERENCES:
patent: 3917817 (1975-11-01), Vanlerberghe et al.
patent: 4013787 (1977-03-01), Varlerberghe et al.
patent: 6251846 (2001-06-01), Panandiker et al.
patent: 19643281 (1998-04-01), None
patent: WO 99/14301 (1999-03-01), None
Delcotto Gregory
Glazer Julia A.
Miller Steven W.
The Procter & Gamble & Company
William Zerby Kim
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