Patent US3591509A successfully refreshed from Google Patents.
US3591509A
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Liquid hard surface cleaning compositions
Assignee: Procter and Gamble Co
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Filing: 1968-09-30
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Granted: 1971-07-06
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Expires: 1988-09-30
Abstract
Abstract LIQUID DETERGENT HARD SURFACE CLEANING COMPOSITIONS CONTAINING 0.25% TO 4% OF A WATER-SOLUBLE SYNTHETIC DETERGENT; 0% TO 6% OF A WATER-SOLUBLE BUILDER OR MIXTURE OF BUILDERS; 1% TO 10% OF AN ORGANIC SOLVENT OR MIXTURE OF SOLVENTS; 0.10% TO 0.5% OF A WATER-SOLUBLE CARBOXYMETHYLCELLULOSE HAVING A DEGREE OF SUBSTITUTION OF FROM ABOUT 1 TO ABOUT 2 AND A DEGREE OF POLYMERIZATION FROM ABOUT 1,000 TO ABOUT 3,000; AND WATER.
Inventors
- 👤 Lawrence Roy Parks
- 👤 William Edward Zenk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:04
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/43; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D1/88; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/225
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |