Patent US2861955A successfully refreshed from Google Patents.
US2861955A
Expired / Lapsed
US
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Detergent for hard water
Assignee: Emery Oleochemicals LLC
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Filing: 1954-10-22
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Granted: 1958-11-25
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Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
- 👤 Robert D Aylesworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:06
CPC Classifications
C; C11; C11D; C11D10/00; C11D10/04; C11D10/047; C11D1/00; C11D1/38; C11D1/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A BAR OF SROAP CONSISTING ESSENTIALLY OF A HOMOGENEOUS MIXTURE OF 80-90% BY WEIGHT OF THE SODIUM SALTS OF FATTY ACIDS OF FROM 8-22 CARBON ATOMS CHAIN LENGTH AND FROM 20-10% BY WEIGHT OF A WATER SOLUBLE QUATERNARY AMMONIUM COMPOUND HAVING A MOLECULAR WEIGHT OF BETWEEN 175 AND 600, SAID SOAP COMPOSITION BEING RESISTANT TO PRECIPITATION BY HARD WATER.
Claim 2
Dependent Claim
59 words
A BAR OF SROAP CONSISTING ESSENTIALLY OF A HOMOGENEOUS MIXTURE OF 80-90% BY WEIGHT OF THE SODIUM SALTS OF FATTY ACIDS OF FROM 8-22 CARBON ATOMS CHAIN LENGTH AND FROM 20-10% BY WEIGHT OF A WATER SOLUBLE QUATERNARY AMMONIUM COMPOUND HAVING A MOLECULAR WEIGHT OF BETWEEN 175 AND 600, SAID SOAP COMPOSITION BEING RESISTANT TO PRECIPITATION BY HARD WATER.
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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |