US3597416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil anti-redeposition agents,their use and detergent compositions containing same
Assignee: Procter and Gamble Co
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Filing: 1968-05-31
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Granted: 1971-08-03
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Expires: 1988-05-31
Abstract
Abstract A PROCESS FOR THE PREVENTION OF REDEPOSITION OF SOIL DURING THE LAUNDERING PROCESS BY THE USE OF ANTI-REDEPOSTITION AGENTS, E.G., AN INOIC COMBINATION OF DODECYLTRIMETHYLPHOSPHONIUM CHLORIDE AND SODIUM CARBOXYMETHYLCELLULOSE, AND DETERGENT COMPOSITIONS CONTAINING SAID ANTIREDOPOSITION AGENTS ARE DISCLOSED.
Inventors
- 👤 Francis L Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:21
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/225; C08; C08B; C08B11/00; C08B11/02; C08B11/04; C08B11/10; C08B11/12; C08B15/00; C08B15/05; C08B15/06; C11D1/00; C11D1/38; C11D1/60; C11D1/62; C11D3/0005; C11D3/0036
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |