Patent US5269962A successfully refreshed from Google Patents.
US5269962A
Expired / Lapsed
US
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Oxidant composition containing stable bleach activator granules
Assignee: Clorox Co
•
Filing: 1991-03-25
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Granted: 1993-12-14
•
Expires: 2011-03-25
Abstract
Abstract The present invention provides stable bleach activator granules comprising: (a) a peroxygen bleach activator having the structure: <IMAGE> wherein R is C1-20 branched or straight chain alkyl, alkoxylated alkyl, cycloalkyl, alkenyl, aryl, substituted aryl, alkylaryl; R' and R'' are independently H, C1-4 alkyl, aryl; and L is a leaving group; b) a pliable binding material selected from materials having a melting completion temperature of greater than about 40 DEG C.; and c) a solubilizing aid selected from the group consisting of magnesium sulfate, alkali aryl sulfonate, polyvinyl pyrrolidone or mixtures thereof. The invention can also include additional stiffeners, such as calcium or magnesium silicate, or silica.
Inventors
- 👤 Kevin J. Brodbeck
- 👤 Thomas B. Ottoboni
- 👤 Cris T. Spillett
- 👤 Dale S. Steichen
- 👤 Suzanne M. Thompson
- 👤 Alfred G. Zielske
- 👤 Steven A. Bolkan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:28
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3935; C11D3/02; C11D3/04; C11D3/046; C11D3/16; C11D3/34; C11D3/3418; C11D3/37; C11D3/3746; C11D3/3769; C11D3/3776; C11D3/3907
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
201 words
Stable bleach activator granules comprising: a) a peroxygen bleach activator having the structure: ##STR38## wherein R is C 1-20 branched or straight chain alkyl, alkoxylated alkyl, cycloalkyl, alkenyl, aryl, substituted alkyl, alkylaryl; R' and R" are independently H, C 1-4 alkyl, aryl; and L is a leaving group selected from the group consisting of: ##STR39## wherein Y and Z are individually H, SO 3 M, CO 2 M, SO 4 M, OH, halo substituent, OR 1 , R 2 , NR 3 3 X, and mixtures thereof, wherein M is an alkali metal or alkaline earth metal counterion, R 1 of OR 1 is C 1-20 alkyl, R 2 is C 1-6 alkyl, R 3 of NR 3 3 is C 1-30 alkyl and X is a counterpart ion thereto, and Y and Z can be the same or different; (ii) halide; (iii) --ONR 4 , wherein R 4 contains at least one carbon which is singly or doubly bonded directly to N; ##STR40## b) a pliable binding material selected from materials having a melting completion temperature of greater than about 40° C.; and c) as a solubilizing aid, either magnesium sulfate, polyvinyl pyrrolidone, alkali aryl sulfonate, or a combination thereof.
Claim 2
Dependent Claim
201 words
Stable bleach activator granules comprising: a) a peroxygen bleach activator having the structure: ##STR38## wherein R is C 1-20 branched or straight chain alkyl, alkoxylated alkyl, cycloalkyl, alkenyl, aryl, substituted alkyl, alkylaryl; R' and R" are independently H, C 1-4 alkyl, aryl; and L is a leaving group selected from the group consisting of: ##STR39## wherein Y and Z are individually H, SO 3 M, CO 2 M, SO 4 M, OH, halo substituent, OR 1 , R 2 , NR 3 3 X, and mixtures thereof, wherein M is an alkali metal or alkaline earth metal counterion, R 1 of OR 1 is C 1-20 alkyl, R 2 is C 1-6 alkyl, R 3 of NR 3 3 is C 1-30 alkyl and X is a counterpart ion thereto, and Y and Z can be the same or different; (ii) halide; (iii) --ONR 4 , wherein R 4 contains at least one carbon which is singly or doubly bonded directly to N; ##STR40## b) a pliable binding material selected from materials having a melting completion temperature of greater than about 40° C.; and c) as a solubilizing aid, either magnesium sulfate, polyvinyl pyrrolidone, alkali aryl sulfonate, or a combination thereof.
Claim 3
Dependent Claim
30 words
The bleach activator granules of claim 1 wherein the activator of a) has an leaving group, L, the conjugate acid whereof has a pK a of about 4 to 20.
Claim 4
Dependent Claim
36 words
The bleach activator granules of claim 1 wherein the pliable binding material of b) is selected from the group consisting of anionic surfactants, nonionic surfactants, water soluble organic polymers, water dispersible organic polymers, and mixtures thereof.
Claim 5
Dependent Claim
19 words
The bleach activator granules of claim 1 further comprising d) filler material which is an inorganic or organic filler.
Claim 6
Dependent Claim
14 words
The bleach activator granules of claim 1 wherein said solubilizing aid is magnesium sulfate.
Claim 7
Dependent Claim
14 words
The bleach activator granules of claim 1 wherein said solubilizing aid is polyvinyl pyrrolidone.
Claim 8
Dependent Claim
15 words
The bleach activator granules of claim 1 wherein said solubilizing aid is alkali aryl sulfonate.
Claim 9
Dependent Claim
15 words
The bleach activator granules of claim 7 wherein said alkali aryl sulfonate is toluene sulfonate.
Claim 10
Dependent Claim
15 words
The bleach activator granules of claim 7 wherein said alkali aryl sulfonate is xylene sulfonate.
Claim 11
Dependent Claim
101 words
The bleach activator granules of claim 1 wherein the activator has the structure ##STR41## and Y and Z are separately selected from H, SO 3 M, CO 2 M, SO 4 M, OH, halo substituent, OR 1 , R 2 , NR 3 3 X, and mixtures thereof, wherein M is an alkali metal or alkaline earth metal counterion, R 1 of OR 1 is C 1-20 alkyl, R 2 is C 1-6 alkyl, R 3 of NR 3 3 is C 1-20 alkyl, and X is a counterpart ion thereto, and Y and Z can be the same or different.
Claim 12
Dependent Claim
14 words
The bleach activator granules of claim 10 wherein the activator has the structure: ##STR42##
Claim 13
Dependent Claim
14 words
The bleach activator granules of claim 11 wherein the activator has the structure ##STR43##
Claim 14
Dependent Claim
14 words
The bleach activator granules of claim 11 wherein the activator has the structure ##STR44##
Claim 15
Dependent Claim
14 words
The bleach activator granules of claim 11 wherein the activator has the structure ##STR45##
Claim 16
Dependent Claim
18 words
The bleach activator granules of claim 1 further comprising a bleach-effective amount of a source of hydrogen peroxide
Claim 17
Dependent Claim
32 words
The bleach activator granules of claim 15 wherein said source of hydrogen peroxide is selected from the group consisting of alkali metal perborates, alkali metal percarbonates, hydrogen peroxide adducts and mixtures thereof.
Claim 18
Dependent Claim
38 words
The bleach activator granules of claim 15, further comprising g) a detergent base which comprises: i) builders; ii) fillers; and iii) a surfactant selected from the group consisting of anionic, nonionic, cationic, amphoteric, zwitterionic surfactants, and mixtures thereof.
Claim 19
Dependent Claim
38 words
The bleach activator granules of claim 15 or 17 further comprising i) a cleaning adjunct selected from the group consisting of enzymes, dyes, pigments, fluorescent whitening agents, anti-redeposition agents, chelating agents, anti-foaming agents, buffers, fragrances, and mixtures thereof.
Claim 20
Dependent Claim
78 words
Stable bleach activator granules comprising: a) a peroxygen bleach activator having the structure: ##STR46## wherein R is a C 1-20 straight or branched chain alkyl, alkenyl, aryl, alkylaryl or substituted aryl, n is an integer from 1-10, and M is H, an alkali metal, alkaline earth, or ammonium counterion; b) a binding material formed in situ when an intermediate ##STR47## to the activator is sulfonated and neutralized; c) a stiffener selected to increase the durability of the granules.
Claim 21
Dependent Claim
78 words
Stable bleach activator granules comprising: a) a peroxygen bleach activator having the structure: ##STR46## wherein R is a C 1-20 straight or branched chain alkyl, alkenyl, aryl, alkylaryl or substituted aryl, n is an integer from 1-10, and M is H, an alkali metal, alkaline earth, or ammonium counterion; b) a binding material formed in situ when an intermediate ##STR47## to the activator is sulfonated and neutralized; c) a stiffener selected to increase the durability of the granules.
Claim 22
Dependent Claim
14 words
The bleach activator granules of claim 19 wherein the activator has the structure ##STR48##
Claim 23
Dependent Claim
14 words
The bleach activator granules of claim 19 wherein the activator has the structure ##STR49##
Claim 24
Dependent Claim
14 words
The bleach activator granules of claim 19 wherein the activator has the structure ##STR50##
Claim 25
Dependent Claim
37 words
The bleach activator granules of claim 22, further comprising a detergent base which comprises: i) builders; ii) fillers; and iii) a surfactant selected from the group consisting of anionic, nonionic, cationic, amphoteric, zwitterionic surfactants, and mixtures thereof.
Claim 26
Dependent Claim
18 words
The bleach activator granules of claim 19 further comprising a bleach-effective amount of a source of hydrogen peroxide
Claim 27
Dependent Claim
32 words
The bleach activator granules of claim 24 wherein said source of hydrogen peroxide is selected from the group consisting of alkali metal perborates, alkali metal percarbonates, hydrogen peroxide adducts and mixtures thereof.
Claim 28
Dependent Claim
37 words
The bleach activator granules of claim 24 or 23 further comprising a cleaning adjunct selected from the group consisting of enzymes, dyes, pigments, fluorescent whitening agents, anti-redeposition agents, chelating agents, anti-foaming agents, buffers, fragrances, and mixtures thereof.
Claim 29
Dependent Claim
25 words
The bleach activator granules of claim 19 wherein said stiffener is selected from the group consisting of magnesium silicate, calcium silicate, silica, and mixtures thereof.
Claim 30
Dependent Claim
13 words
The bleach activator granules of claim 27 wherein said stiffener is calcium silicate.
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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) | 1996-12-13 | 1997-06-14 | 1997-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-13 | 2001-06-14 | 2001-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-13 | 2005-06-14 | 2005-12-14 | $7700.00 | Window Closed / Lapsed |