Patent US3810846A successfully refreshed from Google Patents.
US3810846A
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US
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Hard-surface treating compositions
Assignee: Procter and Gamble Co
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Filing: 1972-04-11
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Granted: 1974-05-14
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Expires: 1992-04-11
Abstract
Abstract SURFACE-TREATING COMPOSITIONS CONTAINING SURFACE-ACTIVE AGENTS ABLE TO EXIST IN SUBSTANTIVE CATIONIC OR NON-SUBSTANTIVE AND NON-CATIONIC FORM ARE DISCLOSED. THE COMPOSITIONS CONTAIN A BUFFERING AGENT TO CONTROL PH AND THE CATIONIC OR NON-CATIONIC CHARACTER OF THE SURFACE-ACTIVE AGENTS AND ARE EFFECTIVE IN THE TREATMENT OF HARD SURFACES. METHODS OF TRETAING HARD SURFACES TO PROVIDE SOIL-RELEASE PROPERTIES ARE ALSO DISCLOSED.
Inventors
- 👤 R Atkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:19
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/40; C11D1/42; C11D1/44; C11D3/00; C11D3/0005; C11D3/0047
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) | 1977-05-13 | 1977-11-12 | 1978-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-13 | 1981-11-12 | 1982-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-13 | 1985-11-12 | 1986-05-14 | $7700.00 | Window Closed / Lapsed |