Patent US3574124A successfully refreshed from Google Patents.
US3574124A
Expired / Lapsed
US
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Detergent removable cleaning and polishing composition
Assignee: Procter and Gamble Co
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Filing: 1968-04-12
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Granted: 1971-04-06
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Expires: 1988-04-12
Abstract
Abstract A DETERGENT REMOVABLE, AQUEOUS CLEANING AND POLISHING COMPOSITION COMPRISING A POLYMER HAVING AN ACID NUMBER RANGING FROM ABOUT 10 TO ABOUT 60, A WATERSOLUBLE CALCIUM, MAGNESIUM, BARIUM, OR STRONTIUM COMPOUND, A PHOSPHONATE CHELATING AGENT SELECTED FROM THE GROUP CONSISTING OF ETHANE-1-HYDROXY-1,1,2-TRIPHOSPHONIC ACID (E-1-HTP), ETHANE-2-HYDROXY-1,1,2-TRIPHOSPHONIC ACID (E-2-HTP), ETHANE-1-HYDROXY-1,1-DIPHOSPHONIC ACID (EHDP) AND ETHANE-1,1,2-TRIPHOSPHONIC ACID (ETP), AND SUFFICIENT VOLATILE BASE TO ADJUST THE PH OF THE FORMULATION TO FROM ABOUT 9 TO ABOUT 12.
Inventors
- 👤 Warren I Lyness
- 👤 Lawrence R Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:44
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/36; C11D3/361; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |