Cleaning compositions for solid surfaces – auxiliary compositions – With oxygen – halogen – sulfur – or nitrogen containing or...
Reexamination Certificate
1999-03-18
2001-02-06
Fries, Kery (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
With oxygen, halogen, sulfur, or nitrogen containing or...
C510S107000, C510S337000, C510S338000, C510S505000
Reexamination Certificate
active
06184188
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to liquid laundry detergent compositions useful for hand-washing fabric, comprising one or more &bgr;-ketoester pro-fragrance compounds which release fragrance raw material alcohols, ketones, and mixtures thereof, thereby providing a “freshness” or “clean” scent to fabric. The present invention also relates to a method for providing a fragrance benefit to laundered fabric by contacting soiled fabric with a laundry detergent composition described herein.
BACKGROUND OF THE INVENTION
In addition to the removal of stains, dirt, soil, grime, and grease from fabric, laundry detergent formulators have attempted to deliver a “fresh” or “clean” odor to washed clothing to provide an olfactory aesthetic benefit and to serve as a signal that the product is effective. Laundry detergent compositions, including rinse-added fabric softeners and dryer-added substrates, are currently formulated with perfiune and fragrance ingredients which are aesthetically pleasing to the consumer and which attempt to deliver a prolonged “fragrance” or “pleasurable smell” to fabric which has been laundered via automatic appliance.
Liquid laundry detergent compositions are typically formulated with adjunct materials which are designed and formulated to work in high or low density liquid laundry detergent compositions. For example, certain enzymes, bleaches, soil release agents, and dispersants which comprise granular laundry detergent compositions may not be compatible with liquid laundry detergent formulations. Therefore, liquid laundry detergents comprise adjunct materials which are especially designed to fit the special needs of liquid compositions.
Attempts have been made to deliver perfiume ingredients, especially fragrance raw material alcohols and ketones, which have an enduring fragrance benefit, from liquid laundry detergent compositions. The admixture of fragrance and perfume raw materials into a perfume component, which is subsequently added to the liquid laundry composition, may provide a short-term fragrance benefit, however, these materials have, in general, failed to provide a lasting fragrance benefit to fabric.
Accordingly, there remains a need in the art for a fragrance delivery system wherein fragrance raw materials are delivered to fabric by way of a liquid laundry detergent composition comprising one or more pro-fragrance or pro-accord compounds having high substantivity and water dispersing properties which provides the cleaned clothing or fabric with a “fresh” or “clean” smell for a protracted period after washing. The aforementioned laundry detergent compositions are typically granular detergents or laundry bars
BACKGROUND ART
The following relate to the subject matter of fragrance ingredients. U.S. Pat. No. 5,626,852 Suffis et al, issued May 6, 1997; U.S. Pat. No. 5,232,612 Trinh et al, issued Aug. 3, 1996; U.S. Pat. No. 5,506,201 McDermon et al., issued Apr. 9, 1996; U.S. Pat. No. 5,378,468 Suffis et al., issued Jan. 3, 1995; U.S. Pat. No. 5,266,592 Grub et al., issued Nov. 30, 1993; U.S. Pat. No. 5,081,111 Akimoto et al., issued Jan. 14, 1992; U.S. Pat. No. 4,994,266 Wells, issued Feb. 19, 1991; U.S. Pat. No. 4,524,018 Yemoto et al., issued Jun. 18, 1985; U.S. Pat. No. 3,849,326 Jaggers et al, issued Nov. 19, 1974; U.S. Pat. No. 3,779,932 Jaggers et al., issued Dec. 18, 1973; JP 07-179,328 published Jul. 18, 1995; JP 05-230496 published Sep. 7, 1993; WO 96/14827 published May 23, 1996; WO 95/04,809 published Feb. 16, 1995; and WO 95/16660 published Jun. 22, 1995. In addition, P. M. Muller, D. Lamparsky Perfumes Art. Science. & Technology Blackie Academic & Professional, (New York, 1994) is included herein by reference.
SUMMARY OF THE INVENTION
The present invention meets the aforementioned needs in that it has been surprisingly discovered that fragrance raw materials can be delivered onto fabric “through the wash” by way of a fragrance delivery system comprised of single precursor pro-fragrance or pro-accord compounds having high fabric substantivity and that these compounds release fragrance raw materials thereby imparting a “fresh” or “clean” aesthetic odor benefit to the fabric. In addition to the short-term pleasurable odor benefits, the profragrances or pro-accords according to the present invention continue to release their fragrance raw materials for as long as several weeks depending upon the structure of the pro-fragrance.
The pro-fragrances and pro-accords described herein comprise fragrance raw material alcohols in a stable, releasable &bgr;-ketoester form. The pro-fragrance containing liquid laundry detergent compositions of the present invention can comprise any number of profragrances which when taken together are capable of releasing complex perfiume fragrances. However, the &bgr;-ketoesters of the present invention which are pro-accords are capable of undergoing chemical transformation and thereby releasing one or more fragrance raw materials in addition to the fragrance raw material alcohol used to prepare the original parent pro-accord. In addition, the pro-fragrances and pro-accords of the present invention are suitable for delivery of any type of fragrance “characteristic” desired by the formulator.
The first aspect of the present invention relates to a liquid laundry detergent composition which provides fabric with enhanced fragrance longevity, comprising:
a) at least about 0.01%, preferably from about 0.01% to about 15%, more preferably from about 1% to about 5%, most preferably from about 0.1% to about 1% by weight, of a &bgr;-ketoester having the formula:
wherein R is alkoxy derived from a fr-agrance raw material alcohol; R
1
, R
2
and R
3
are each independently hydrogen, C
1
-C
30
substituted or unsubstituted linear alkyl, C
3
-C
30
substituted or unsubstituted branched alkyl, C
3
-C
30
substituted or unsubstituted cyclic alkyl, C
2
-C
30
substituted or unsubstituted linear alkenyl, C
3
-C
30
substituted or unsubstituted branched alkenyl, C
3
-C
30
substituted or unsubstituted cyclic alkenyl, C
2
-C
30
substituted or unsubstituted linear alkynyl, C
3
-C
30
substituted or unsubstituted branched alkynyl, C
6
-C
30
substituted or unsubstituted aryl, C
2
-C
20
substituted or unsubstituted alkyleneoxy, C
3
-C
20
substituted or unsubstituted alkyleneoxyalkyl, C
7
-C
20
substituted or unsubstituted alkylenearyl, C
6
-C
20
substituted or unsubstituted alkyleneoxyaryl, and mixtures thereof; provided at least one R
1
, R
2
, or R
3
is a unit having the formula:
wherein R
4
, R
5
, and R
6
are each independently hydrogen, C
1
-C
30
substituted or unsubstituted linear alkyl, C
3
-C
30
substituted or unsubstituted branched alkyl, C
3
-C
30
substituted or unsubstituted cyclic alkyl, C
1
-C
30
substituted or unsubstituted linear alkoxy, C
3
-C
30
substituted or unsubstituted branched alkoxy, C
3
-C
30
substituted or unsubstituted cyclic alkoxy, C
2
-C
30
substituted or unsubstituted linear alkenyl, C
3
-C
30
substituted or unsubstituted branched alkenyl, C
3
-C
30
substituted or unsubstituted cyclic alkenyl, C
2
-C
30
substituted or unsubstituted linear alkynyl, C
3
-C
30
substituted or unsubstituted branched alkynyl, C
6
-C
30
substituted or unsubstituted alkylenearyl, C
6
-C
30
substituted or unsubstituted aryl; or R
4
, R
5
, and R
6
can be taken together to form C
6
-C
30
substituted or unsubstituted aryl; and mixtures thereof;
b) at least about 0.01% by weight, preferably from about 0.1% to about 60%, more preferably from about 0.1% to about 30% by weight, of a detersive surfactant selected from the group consisting of anionic, cationic, nonionic, zwitterionic, ampholytic surfactants, and mixtures thereof, preferably said surfactant is an anionic surfactant;
c) the balance carriers and adjunct ingredients, said adjunct ingredients are selected from the group consisting of builders, optical brighteners, bleaches, bleach boosters, bleach catalysts, bleach activators, soil release polymers, dye transfer agents, dispersents, enymes, suds suppressers, dyes, perfiunes, colorants, filler sa
Costa Jill Bonham
Hartman Frederick Anthony
Morelli Joseph Paul
Severns John Cort
Sivik Mark Robert
Echler Sr. Richard S.
Fries Kery
Miller Steven W.
The Procter & Gamble & Company
Zerby Kim W.
LandOfFree
Fragrance delivery system for liquid detergent compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fragrance delivery system for liquid detergent compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fragrance delivery system for liquid detergent compositions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2582440