US3159581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergency composition
Assignee: Procter and Gamble Co
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Filing: 1962-04-13
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Granted: 1964-12-01
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Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Francis L Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:39
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/36; C11D3/361
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN IMPROVED CLEANSING AND LAUNDERING COMPOSITION CONSISTING ESSENTIALLY OF A WATER-SOLUBLE TRISODIUM SALT OF ETHANE-1-HYDROXY-1,1-DIPHOSPHONATE AS A BUILDER AND AN ORGANIC WATER-SOLUBLE NON-SOAP SYNTHETIC DETERGENT SURFACTANT HAVING PRONOUNCED DETERGENT POWER SELECTED FROM THE GROUP CONSISTING OF ANIONIC, NONIONIC, ZWITTERIONIC, AMPHOLYTIC DETERGENT SURFACTANTS, AND MIXTURES THEREOF, THE RATIO, BY WEIGHT, OF SAID DISPHOSPHONATE BUILDER TO SAID DETERGENT SURFACTANT BEING IN THE RANGE OF ABOUT 1:2 TO ABOUT 10:1, SAID COMPOSITION PROVIDING IN AQUEOUS SOLUTION A PH BETWEEN ABOUT 9 AND ABOUT 12.
Claim 2
Dependent Claim
81 words
AN IMPROVED CLEANSING AND LAUNDERING COMPOSITION CONSISTING ESSENTIALLY OF A WATER-SOLUBLE TRISODIUM SALT OF ETHANE-1-HYDROXY-1,1-DIPHOSPHONATE AS A BUILDER AND AN ORGANIC WATER-SOLUBLE NON-SOAP SYNTHETIC DETERGENT SURFACTANT HAVING PRONOUNCED DETERGENT POWER SELECTED FROM THE GROUP CONSISTING OF ANIONIC, NONIONIC, ZWITTERIONIC, AMPHOLYTIC DETERGENT SURFACTANTS, AND MIXTURES THEREOF, THE RATIO, BY WEIGHT, OF SAID DISPHOSPHONATE BUILDER TO SAID DETERGENT SURFACTANT BEING IN THE RANGE OF ABOUT 1:2 TO ABOUT 10:1, SAID COMPOSITION PROVIDING IN AQUEOUS SOLUTION A PH BETWEEN ABOUT 9 AND ABOUT 12.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |