US3850831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid detergent compositions containing surfactants and peroxide bleaching agents
Assignee: Mo och Domsjo AB
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Filing: 1972-07-10
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Granted: 1974-11-26
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Expires: 1992-07-10
Abstract
Abstract Liquid detergent compositions are provided comprising a surfactant and a peroxide bleaching agent, having good storage stability by virtue of their being substantially free from liquid water, and dissolved or dispersed in a polyhydric alcohol or ether thereof which is liquid at ambient temperature.
Inventors
- 👤 K Hellsten
- 👤 S Santamaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:04
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0004; C11D3/00; C11D3/16; C11D3/20; C11D3/2003; C11D3/2065; C11D3/37; C11D3/3703; C11D3/3707; C11D3/39; C11D3/3947
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
221 words
A LIQUID DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 5 TO ABOUT 35 PERCENT BY WEIGHT OF A WATER-SOLUBLE INORGANIC PER COMPOUND BLEACHING AGENT WHICH IS A SOLID AND WHICH IS STABLE AT AMBIENT TEMPERATURE SELECTED FROM THE GROUP CONSISTING OF THE WATER-SOLUBLE ALKALI METAL AND AMMONIUM PERBORATES, PERCARBONATES, PERSULFATES AND PERPYPROPHOSPHATES, FROM ABOUT 5 TO ABOUT 35 PERCENT BY WEIGHT OF AN ORGANIC SURFACTANT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, CATIONIC, NONIONIC AND AMPHOLYTIC SURFACTANTS, AND AN AMOUNT WITHIN THE RANGE FROM ABOUT 5 TO ABOUT 30 PERCENT BY WEIGHT SUFFICIENT TO FORM A LIQUID COMPOSITIONS OF A POLYHYDRIC ALCOHOL OR ETHER THEREOF WHICH IS LIQUID AT AMBIENT TEMPERATURE SELECTED FROM THE GROUP CONSISITNG OF POLYHYDRIC ALCOHOLS HAVING FROM TWO TO ABOUT THREE HYDROXYL GROUPS AND FROM 2 CARBON ATOMS TO ABOUT 6 CARBON ATOMS, AND POLYMERIC POLYOXYALKYLENE ALCOHOLS HAVING A MOLECULAR WEIGHT WITHIN THE RANGE FROM ABOUT 100 UP TO ABOUT 4,000, AND MONO- AND POLYETHERS THEREOF HAVING FROM ONE FREE HYDROXYL GROUP AND AN ALKY GROUP HAVING FROM ONE TO ABOUT FOUR CARBON ATOMS, THE POLYOXYETHYLENE GLYCOLS HAVING A MOLECULAR WEIGHT WITHIN THE RANGE FROM ABOUT 100 UP TO 400, AND THE POLYOXYPROPYLENE AND POLYOXYBUTYLENE GLYCOLS HAVING A MOLECULAR WEIGHT WITHIN THE RANGE FROM ABOUT 100 TO ABOUT 4,00, THE COMPOSITION BEING SUBSTANTIALLY FREE FROM LIQUID WATER.
Claim 2
Dependent Claim
221 words
A LIQUID DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 5 TO ABOUT 35 PERCENT BY WEIGHT OF A WATER-SOLUBLE INORGANIC PER COMPOUND BLEACHING AGENT WHICH IS A SOLID AND WHICH IS STABLE AT AMBIENT TEMPERATURE SELECTED FROM THE GROUP CONSISTING OF THE WATER-SOLUBLE ALKALI METAL AND AMMONIUM PERBORATES, PERCARBONATES, PERSULFATES AND PERPYPROPHOSPHATES, FROM ABOUT 5 TO ABOUT 35 PERCENT BY WEIGHT OF AN ORGANIC SURFACTANT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, CATIONIC, NONIONIC AND AMPHOLYTIC SURFACTANTS, AND AN AMOUNT WITHIN THE RANGE FROM ABOUT 5 TO ABOUT 30 PERCENT BY WEIGHT SUFFICIENT TO FORM A LIQUID COMPOSITIONS OF A POLYHYDRIC ALCOHOL OR ETHER THEREOF WHICH IS LIQUID AT AMBIENT TEMPERATURE SELECTED FROM THE GROUP CONSISITNG OF POLYHYDRIC ALCOHOLS HAVING FROM TWO TO ABOUT THREE HYDROXYL GROUPS AND FROM 2 CARBON ATOMS TO ABOUT 6 CARBON ATOMS, AND POLYMERIC POLYOXYALKYLENE ALCOHOLS HAVING A MOLECULAR WEIGHT WITHIN THE RANGE FROM ABOUT 100 UP TO ABOUT 4,000, AND MONO- AND POLYETHERS THEREOF HAVING FROM ONE FREE HYDROXYL GROUP AND AN ALKY GROUP HAVING FROM ONE TO ABOUT FOUR CARBON ATOMS, THE POLYOXYETHYLENE GLYCOLS HAVING A MOLECULAR WEIGHT WITHIN THE RANGE FROM ABOUT 100 UP TO 400, AND THE POLYOXYPROPYLENE AND POLYOXYBUTYLENE GLYCOLS HAVING A MOLECULAR WEIGHT WITHIN THE RANGE FROM ABOUT 100 TO ABOUT 4,00, THE COMPOSITION BEING SUBSTANTIALLY FREE FROM LIQUID WATER.
Claim 3
Dependent Claim
29 words
A liquid detergent composition according to claim 1, in which the polyhydric alcohol has from 2 to about 3 hydroxyl groups and from 2 to about 6 carbon atoms.
Claim 4
Dependent Claim
19 words
A liquid detergent composition according to claim 2, in which the polyhydric alcohol is in polymeric oxyalkylene unit form.
Claim 5
Dependent Claim
30 words
A liquid detergent composition according to claim 3, in which the polyoxyalkylene polyol is a polyoxyethylene glycol having a molecular weight within the range from about 108 to about 400.
Claim 6
Dependent Claim
30 words
A liquid detergent composition according to claim 4, in which the polyoxyalkylene polyol is a polyoxy-1,2-propylene glycol having a molecular weight within the range from about 136 to about 4,000.
Claim 7
Dependent Claim
15 words
A liquid detergent composition according to claim 1, in which the polyhydric alcohol is glycerol.
Claim 8
Dependent Claim
26 words
A liquid detergent composition according to claim 1, in which the amount of polyhydric alcohol is within the range from about 10 to about 20 percent.
Claim 9
Dependent Claim
27 words
A liquid detergent compositions according to claim 1, in which the surfactant is an alpha-olefin sulfonate, the alpha-olefins having from about 15 to about 18 carbon atoms.
Claim 10
Dependent Claim
15 words
A liquid detergent composition according to claim 1, in which the surfactant has the formula:
Claim 11
Dependent Claim
20 words
A liquid detergent composition according to claim 1, in which the surfactant is a polyoxyalkylene phosphate ester having the formula:
Claim 12
Dependent Claim
47 words
A liquid detergent composition according to claim 1, in which the peroxide bleaching agent is a water-soluble per compound which is a solid and which is stable at ambient temperature, selected from the group consisting of the water-soluble alkali metal and ammonium perborates, percarbonates, persulfates, and perpyrophosphates.
Claim 13
Dependent Claim
30 words
A liquid detergent composition according to claim 1, in which the amount of the peroxide bleaching agent is within the range from about 10 to about 25 percent by weight.
Claim 14
Dependent Claim
17 words
A liquid detergent composition according to claim 11, in which the peroxide bleaching agent is sodium perborate.
Claim 15
Dependent Claim
49 words
A liquid detergent composition according to claim 1, including an alkaline builder salt selected from the group consisting of alkaline inorganic and organic builder salts and sequestrants in an amount within the range from about 10 to about 80 percent by weight of the total solids of the composition.
Claim 16
Dependent Claim
19 words
A liquid detergent composition according to claim 14, in which the alkaline builder salt is an alkali metal polyphosphate.
Claim 17
Dependent Claim
109 words
A liquid detergent composition according to claim 1, including a chelating or sequestering agent selected from the group consisting of alkali metal, ammonium, and organic amine salts of polyamino-carboxylic acids selected from the group consisting of ethylene diamine tetraacetic acid, nitrilotriacetic acid, hexamethylene diamine tetraacetic acid, and diethylene triamine pentaacetic acid; oxycarboxylic acids selected from the group consisting of citric and gluconic acids; and unsaturated polycarboxylic acids selected from the group consisting of polymaleic acid, polyitaconic acid and polyacrylic acid, characterized by the ability to sequester or form complexes with hardness-forming metal ions in aqueous solutions in an amount within the range from about 5 to about 40 percent.
References Cited (Backward Citations)
US3652420A
Cited
US3655569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |