Patent EP0544324B1 successfully refreshed from Google Patents.
Patent US3574122A successfully refreshed from Google Patents.
US3574122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid detergent compositions
Assignee: Lever Brothers Co
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Filing: 1967-08-18
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Granted: 1971-04-06
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Expires: 1987-08-18
Abstract
Abstract A PHASE-STABLE, HEAVY-DUTY, LIQUID DETERGENT EMULSION COMPOSITION COMPRISING A SYNTHETIC ORGANIC NONIONIC DETERGENT AND TRISODIUM NITRILOTRIACETATE IN AN AQUEOUS MEDIUM CONTAINING A TERNARY EMULSION STABILIZER SYSTEM WHICH IS A FIRST STABILIZER COMBINATION OF A HYDROLYZED LINEAR COPOLYMER OF ETHYLENE AND MALEIC ANHYDRIDE PLUS A HYDROLYZED CROSS-LINKED COPOLYMER OF ETHYLENE AND MALEIC ANHYDRIDE, A SECOND STABILIZER WHICH IS A HYDROTYPE AND A THIRD STABILIZER WHICH IS AN ELECTROLYTE.
Inventors
- 👤 Thomas Aquinas Payne Jr
- 👤 Warren Eric Olson
- 👤 Samuel Hirsch Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:20
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765; C11D1/00; C11D1/66; C11D1/72; C11D3/02; C11D3/04; C11D3/046; C11D3/08; C11D3/10; C11D3/20; C11D3/2068; C11D3/26; C11D3/33
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 |