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US3846325A Expired / Lapsed US ⏱️ 0.0 years remaining

Anti-pollution and detergent composition

Assignee: Torau Co
•
Filing: 1972-06-21
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Granted: 1974-11-05
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Expires: 1992-06-21
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Abstract

Abstract An anti-pollution and detergent composition comprising a biodegradable surface active agent component, a biodegradable alkaline water softening agent, a biodegradable anti-redeposition agent and an inorganic buffering alkali, the composition being characterized in that it is essentially free of phosphates.

Inventors

  • 👤 F Flynn
  • 👤 P Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:57
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/33; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/22; C11D1/38; C11D1/48; C11D1/66; C11D1/662; C11D1/72; C11D3/02; C11D3/04; C11D3/046; C11D3/08; C11D3/10; C11D3/20; C11D3/2075; C11D3/2086; C11D3/22; C11D3/222; C11D3/225

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 192 words
AN ANTI-POLLUTION AND DETERGENT COMPOSITION CONSISTING ESSENTIALLY FROM ABOVE 5 TO 35 PERCENT BY WEIGHT OF BIODEGRADABLE SURFACE ACTIVE AFENT SELECTED FROM THE GROUP CONSISTING OF A LINEAR ALKYL ARYL SULPHONATE, LAURYL ALCOHOL SULPHATE, A COCONUT OIL FATTY ACID AMINE CONDENSATE WHEREIN TTHE FATTY ACID CONSTITUENT HAS A MOLECULAR WEIGHT RANGING FROM 144 TO 284, AN ISO-OCTYL PHENOXY POLYETHOXY ETHANOL HAVING FROM 5 TO 10 MOLES OF PHENOXY GROUPS, A NONYL PHENOXY POLYETHYOXY ETHANOL HAVING FROM 5 TO 10 MOLES OF ETHOXY GROUPS, POLYSACCHARIDE-BASED SURFACE ACTIVE AGENTS, AND A MIXTURE THEREOF; FROM ABOUT 5 TO 60 PERCENT BUY WEIGHT OF A BIODEGRADABLE ALKALINE WATER SOFTENING AGENT SELECTED FROM THE GROUP CONSISTING OF TRISODIUM NITRILO TRICETATE, SODIUM CITRATE, TRISODIUM HYDROXYETHYLIMINODIACETATE, TETRASODIUM ETHYLENEDIAMINETETTRAACETATE, AND MIXTURES THEREOF; FROM ABOUT 5 TO 15 PERCENT BY WEIGHT OF A BIODEGRADABLE ANTI-REDEPOSITION AGENT BEING SODIUM CARBOXYMETHYL CELLULOSE HAVING A DEGREE OF ACYL SUBSTITUTION OF FROM 0.7 TO 2.5; AND FROM ABOUT 5 TO 35 PERCENT BY WEIGHT OF AN INORGANIC BUFFERING ALKALI AGENT SEECTED FROM THE FROUP CONSISTING OF SODIUM METASILLICATE, SODIUM ORTHOSILICATW, SODIUM, SEQUISILICATE, SODIUM CORBONATE, BORAX, AND MIXTURES THEREOF; SAID COMPOSITION BEING ESSENTIALLY FREE OF PHOSPHATES.
Claim 2
Dependent Claim 192 words
AN ANTI-POLLUTION AND DETERGENT COMPOSITION CONSISTING ESSENTIALLY FROM ABOVE 5 TO 35 PERCENT BY WEIGHT OF BIODEGRADABLE SURFACE ACTIVE AFENT SELECTED FROM THE GROUP CONSISTING OF A LINEAR ALKYL ARYL SULPHONATE, LAURYL ALCOHOL SULPHATE, A COCONUT OIL FATTY ACID AMINE CONDENSATE WHEREIN TTHE FATTY ACID CONSTITUENT HAS A MOLECULAR WEIGHT RANGING FROM 144 TO 284, AN ISO-OCTYL PHENOXY POLYETHOXY ETHANOL HAVING FROM 5 TO 10 MOLES OF PHENOXY GROUPS, A NONYL PHENOXY POLYETHYOXY ETHANOL HAVING FROM 5 TO 10 MOLES OF ETHOXY GROUPS, POLYSACCHARIDE-BASED SURFACE ACTIVE AGENTS, AND A MIXTURE THEREOF; FROM ABOUT 5 TO 60 PERCENT BUY WEIGHT OF A BIODEGRADABLE ALKALINE WATER SOFTENING AGENT SELECTED FROM THE GROUP CONSISTING OF TRISODIUM NITRILO TRICETATE, SODIUM CITRATE, TRISODIUM HYDROXYETHYLIMINODIACETATE, TETRASODIUM ETHYLENEDIAMINETETTRAACETATE, AND MIXTURES THEREOF; FROM ABOUT 5 TO 15 PERCENT BY WEIGHT OF A BIODEGRADABLE ANTI-REDEPOSITION AGENT BEING SODIUM CARBOXYMETHYL CELLULOSE HAVING A DEGREE OF ACYL SUBSTITUTION OF FROM 0.7 TO 2.5; AND FROM ABOUT 5 TO 35 PERCENT BY WEIGHT OF AN INORGANIC BUFFERING ALKALI AGENT SEECTED FROM THE FROUP CONSISTING OF SODIUM METASILLICATE, SODIUM ORTHOSILICATW, SODIUM, SEQUISILICATE, SODIUM CORBONATE, BORAX, AND MIXTURES THEREOF; SAID COMPOSITION BEING ESSENTIALLY FREE OF PHOSPHATES.
Claim 3
Dependent Claim 41 words
The anti-pollution and detergent composition of claim 1, containing a filler in an amount up to 70 percent by weight of the composition, and is selected from the group consisting of sodium sulphate, sodium carbonate, synthetic calcium silicate, and mixtures thereof.
Claim 4
Dependent Claim 24 words
An anti-pollution and detergent composition as claimed in claim 2 containing up to 2 percent by weight of sodium trichloroisocyanurate as a bleaching agent.
Claim 5
Dependent Claim 20 words
An anti-pollution and detergent composition as claimed in claim 2 containing up to 0.02 percent be weight of optical brighteners.
Claim 6
Dependent Claim 24 words
An anti-pollution and detergent composition as claimed in claim 2 containing up to 0.01 percent by weight of ultramarine blue as a blueing agent.
Claim 7
Dependent Claim 32 words
The anti-pollution and detergent composition of claim 2 in which said surface active agent component is selected from the group consisting of a linear alkyl aryl sulphonate and a lauryl alcohol sulphate.
Claim 8
Dependent Claim 21 words
An anti-pollution and detergent composition as claimed in claim 2 where said biodegradable alkaline water softening agent is trisodium nitrilo triacetate.
Claim 9
Dependent Claim 33 words
An anti-pollution and detergent composition as claimed in claim 2 where said inorganic buffering alkali agent is a soluble silicate selected from the group consisting of sodium metasilicate, sodium orthosilicate and sodium sesquisilicate.
Claim 10
Dependent Claim 78 words
The anti-pollution and detergent composition of claim 6 where said surface active agent component also contains a biodegradable non-ionic surface active agent selected from the group consisting of an isooctyl phenoxy polyethoxy ethanol having from 5 to 10 moles of ethoxy groups, a nonyl phenoxy polyethoxy ethanol having from 5 to 10 moles of ethoxy groups, and a coconut oil fatty acid amine condensate wherein the fatty acid constituent has a molecular weight ranging from 144 to 284.

References Cited (Backward Citations)

US3654168A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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