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US2950253A Expired / Lapsed US ⏱️ 0.0 years remaining

Methods of washing textile fabrics

Assignee: Boehme Fettchemie GmbH
•
Filing: 1954-07-27
•
Granted: 1960-08-23
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Expires: 1974-07-27
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Abstract

No abstract record available.

Inventors

  • 👤 Kling Walter
  • 👤 Lange Hermann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:02
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/38; D; D06; D06L; D06L1/00; D06L1/12; D06L1/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 230 words
THE METHOD OF CLEANING A SOILED SYNTHETIC TEXTILE FABRIC, WHICH COMPRISES WASHING SAID FABRIC IN A CATIONACTIVE AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF WATER AND FROM ABOUT 0.85 TO ABOUT 1.5 GM./LITER OF A CATIONACTIVE WASHING COMPOSITION COMPRISING (1) FROM ABOUT 23% TO ABOUT 44% OF AN ORGANIC ONIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AMMONIUM COMPOUNDS HAVING ATTACHED TO THE NITROGEN ATOM AN ALIPHATIC RADICAL CONTAINING A HYDROCARBON CHAIN HAVING FROM 6 TO 20 CARBON ATOMS, AT LEAST TWO ALKYL RADICALS HAVING FROM 1 TO 2 CARBON ATOMS, AND A RADICAL SELECTED FROM THE GROUP CONSISTING OF ETHYL, METHYL, BENZYL AND CYCLOHEXYL, PYRIDINIUM COMPOUNDS HAVING ATTACHED TO THE NITROGEN ATOM AN ALIPHATIC RADICAL CONTAINING A HYDROCARBON CHAIN HAVING FROM 6 TO 20 CARBON ATMS AND QUINOLINIUM COMPOUNDS HAVING ATTACHED TO THE NITROGEN ATOM AN ALIPHATIC RADICAL CONTAINING A HYDROCARBON CHAIN HAVING FROM 6 TO 20 CARBON ATOMS, (2) FROM ABOUT 33% TO ABOUT 77* OF A LOWER ALKANOIC ACID AND (3) ROM ABOUT 0% TO ABOUT 33% OF AN ADDITIVE STABLE IN SAID CATIONIC ACTIVE AQUEOUS SOLUTION SELECTED FROM THE GROUP CONSISTING OF ALUMINUM SALTS OF LOWER ALKANOIC ACIDS, LOWER ALKOY CELLULOSES, CHITOSEAMINE AND POLYALKYLENE OXIDE WAXES, WHEREBY BOTH THE FABRIC AND THE SOIL ARE IMPARTED WITH A POSITIVE ELECTROSTATIC CHARGE AND THE SOIL IS SEPARATED FROM THE FABRIC BY ELECTROSTATIC REPULSION AND DISPERSED THROUGHOUT THE WASHING SOLUTION.
Claim 2
Independent Claim 230 words
THE METHOD OF CLEANING A SOILED SYNTHETIC TEXTILE FABRIC, WHICH COMPRISES WASHING SAID FABRIC IN A CATIONACTIVE AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF WATER AND FROM ABOUT 0.85 TO ABOUT 1.5 GM./LITER OF A CATIONACTIVE WASHING COMPOSITION COMPRISING (1) FROM ABOUT 23% TO ABOUT 44% OF AN ORGANIC ONIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AMMONIUM COMPOUNDS HAVING ATTACHED TO THE NITROGEN ATOM AN ALIPHATIC RADICAL CONTAINING A HYDROCARBON CHAIN HAVING FROM 6 TO 20 CARBON ATOMS, AT LEAST TWO ALKYL RADICALS HAVING FROM 1 TO 2 CARBON ATOMS, AND A RADICAL SELECTED FROM THE GROUP CONSISTING OF ETHYL, METHYL, BENZYL AND CYCLOHEXYL, PYRIDINIUM COMPOUNDS HAVING ATTACHED TO THE NITROGEN ATOM AN ALIPHATIC RADICAL CONTAINING A HYDROCARBON CHAIN HAVING FROM 6 TO 20 CARBON ATMS AND QUINOLINIUM COMPOUNDS HAVING ATTACHED TO THE NITROGEN ATOM AN ALIPHATIC RADICAL CONTAINING A HYDROCARBON CHAIN HAVING FROM 6 TO 20 CARBON ATOMS, (2) FROM ABOUT 33% TO ABOUT 77* OF A LOWER ALKANOIC ACID AND (3) ROM ABOUT 0% TO ABOUT 33% OF AN ADDITIVE STABLE IN SAID CATIONIC ACTIVE AQUEOUS SOLUTION SELECTED FROM THE GROUP CONSISTING OF ALUMINUM SALTS OF LOWER ALKANOIC ACIDS, LOWER ALKOY CELLULOSES, CHITOSEAMINE AND POLYALKYLENE OXIDE WAXES, WHEREBY BOTH THE FABRIC AND THE SOIL ARE IMPARTED WITH A POSITIVE ELECTROSTATIC CHARGE AND THE SOIL IS SEPARATED FROM THE FABRIC BY ELECTROSTATIC REPULSION AND DISPERSED THROUGHOUT THE WASHING SOLUTION.

References Cited (Backward Citations)

US2374213A Cited
US2702279A Cited
GB443795A Cited
US2165356A Cited
US2129264A Cited
FR859643A Cited
US2459062A Cited
US2577773A Cited
US2587597A Cited
FR1025482A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-23 1964-02-22 1964-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-23 1968-02-22 1968-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-23 1972-02-22 1972-08-23 $7700.00 Window Closed / Lapsed

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