US2950253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of washing textile fabrics
Assignee: Boehme Fettchemie GmbH
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Filing: 1954-07-27
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Granted: 1960-08-23
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Expires: 1974-07-27
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.
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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) | 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 |