US2527075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent composition
Assignee: Procter and Gamble Co
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Filing: 1947-02-24
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Granted: 1950-10-24
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Expires: 1967-02-24
Abstract
No abstract record available.
Inventors
- 👤 Walter C Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:38
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/26; C11D10/00; C11D10/04; C11D10/042; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/16; C11D1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A DETERGENT COMPOSITION CHARACTERIZED BY REDUCED TENDENCY TO FORM STICKY LIME CURD WHEN USED IN HARD WATER AT RINSING DILUTIONS, COMPRISING ESSENTIALLY A TERNARY MIXTURE OF A WATERSOLUBLE SOAP, A WATER-SOLUBLE SALT OF AN ORGANIC SULFURIC REACTION PRODUCT HAVING PRONOUNCED DETERGENT PROPERTIES AND HAVING IN ITS MOLECULAR STRUCTURE A RADICAL SELECTED FROM THE GROUP CONSISTING OF SULFONIC ACID AND SULFURIC ACID ESTER RADICALS, AND A HIGHER ALIPHATIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY SATURATED AND UNSATURATED HIGHER ALCOHOLS HAVING FROM 10 TO 20 CARBON ATOMS, THE RATIO OF SOAP: SULFURIC REACTION PRODUCT SALT BEING FROM ABOUT 0.5:1 TO ABOUT 6:1, THE RATIO OF SULFURIC REACTION PRODUCT SALT: HIGHER ALCOHOL BEING FROM ABOUT 1:1 TO ABOUT 20:1, AND THE AMOUNT OF HIGHER ALCOHOL CONSTITUTING AT LEAST 2 PER CENT OF THE COMBINED WEIGHTS OF THE SOAP, SULFURIC REACTION PRODUCT SALT AND HIGHER ALCOHOL.
Claim 2
Dependent Claim
146 words
A DETERGENT COMPOSITION CHARACTERIZED BY REDUCED TENDENCY TO FORM STICKY LIME CURD WHEN USED IN HARD WATER AT RINSING DILUTIONS, COMPRISING ESSENTIALLY A TERNARY MIXTURE OF A WATERSOLUBLE SOAP, A WATER-SOLUBLE SALT OF AN ORGANIC SULFURIC REACTION PRODUCT HAVING PRONOUNCED DETERGENT PROPERTIES AND HAVING IN ITS MOLECULAR STRUCTURE A RADICAL SELECTED FROM THE GROUP CONSISTING OF SULFONIC ACID AND SULFURIC ACID ESTER RADICALS, AND A HIGHER ALIPHATIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY SATURATED AND UNSATURATED HIGHER ALCOHOLS HAVING FROM 10 TO 20 CARBON ATOMS, THE RATIO OF SOAP: SULFURIC REACTION PRODUCT SALT BEING FROM ABOUT 0.5:1 TO ABOUT 6:1, THE RATIO OF SULFURIC REACTION PRODUCT SALT: HIGHER ALCOHOL BEING FROM ABOUT 1:1 TO ABOUT 20:1, AND THE AMOUNT OF HIGHER ALCOHOL CONSTITUTING AT LEAST 2 PER CENT OF THE COMBINED WEIGHTS OF THE SOAP, SULFURIC REACTION PRODUCT SALT AND HIGHER ALCOHOL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |