Patent US3424689A successfully refreshed from Google Patents.
US3424689A
Expired / Lapsed
US
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Heavy-duty liquid detergent composition
Assignee: Kao Corp
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Filing: 1965-08-27
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Granted: 1969-01-28
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Sadao Kakegawa
- 👤 Katsumi Matsuyama
- 👤 Yoshinori Naganuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:47
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/16; C11D3/20; C11D3/2075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A TRANSPARENT AND HOMOGENEOUS HEAVY-DUTY LIQUID DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF (1) ABOUT 5 TO 30% BY WEIGHT OF AN ANIONIC DETERGENT SURFACTANT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, AMMONIUM AND LOWER ALKANOLAMINE SALTS OF ALKYLBENZENE SULFONATE HAVING AN ALKYL GROUP CONTAINING 8 TO 15 CARBON ATOMS, (2) ABOUT 15 TO 45% BY WEIGHT OF A POTASSIUM POLYPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF PYROPHOSPHATE, TRIPOLPHOSPHATE AND MIXTURES THEREOF, (3) ABOUT 1 TO 25% BY WEIGHT OF AN ALKALI METAL SALT OF AN ACID HAVING THE STRUCTURE:
Claim 2
Dependent Claim
89 words
A TRANSPARENT AND HOMOGENEOUS HEAVY-DUTY LIQUID DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF (1) ABOUT 5 TO 30% BY WEIGHT OF AN ANIONIC DETERGENT SURFACTANT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, AMMONIUM AND LOWER ALKANOLAMINE SALTS OF ALKYLBENZENE SULFONATE HAVING AN ALKYL GROUP CONTAINING 8 TO 15 CARBON ATOMS, (2) ABOUT 15 TO 45% BY WEIGHT OF A POTASSIUM POLYPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF PYROPHOSPHATE, TRIPOLPHOSPHATE AND MIXTURES THEREOF, (3) ABOUT 1 TO 25% BY WEIGHT OF AN ALKALI METAL SALT OF AN ACID HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2441341A
Cited
US2768143A
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US3086943A
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US3101324A
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US3159581A
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US3346504A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |