US3758409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning and bleaching liquid composition
Assignee: Kao Corp
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Filing: 1971-12-02
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Granted: 1973-09-11
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Expires: 1991-12-02
Abstract
Abstract A TRANSPARENT LIQUID DETERGENT COMPOSITION, EXCELLENT IN BLEACHING AND CLEANING PROPERTIES, CONSISTING ESSENTIALLY OF A SURFACE ACTIVE AGENT REPRESENTED BY A GENERAL FORMULA, (4-R-PHENYL)-O-(CH2-CH2-O)N-(CH2)M-COO-M (WHEREIN R STANDS FOR AN ALKYL GROUP HAVING 8 TO 22 CARBON ATOMS, N IS AN INTEGER OF 1 TO 40, M IS AN INTEGER OF 1 OR 2 AND M IS AN ALKALI METAL), AN ALKALI METAL HYPOCHLORITE AND AN ALKALI AGENT DISSOLVED IN WATER, SAID ALKALI METAL HYPOCHLORITE CONTAINING LESS THEN 1/10 MOL OF ALKALI METAL CHLORIDE PER MOL OF THE HYPOCHLORITE AND THE AVAILABLE CHLORINE CONTENT OF THE COMPOSITION BEING 0.5-13% BY WEIGHT.
Inventors
- 👤 Y Nakagawa
- 👤 I Iwasa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:05
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3956; C11D1/00; C11D1/02; C11D1/04; C11D1/06; C11D3/3953; C11D7/00; C11D7/02; C11D7/04; C11D7/06
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |