Patent US3231508A successfully refreshed from Google Patents.
US3231508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low foaming detergent compositions
Assignee: Chevron USA Inc
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Filing: 1964-03-18
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Granted: 1966-01-25
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Henry Y Lew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:12
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0026; C11D3/16; C11D3/26; C11D3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A DETERGENT COMPOSITION CHARACTERIZED BY A LOW DEGREE OF FOAMING IN AGITATED DILUTE AQUEOUS SOLUTIONS THEREOF CONSISTING ESSENTIALLY OF A NORMALLY HIGH FOAMING DETERGENT COMPONENT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE SALTS OF ORGANAIC SULFONIC ACIDS AND WATERSOLUBLE SALTS OF SULFURIC ACID ALKYL ESTERS, AND TO SUPPRESS FOAMING OF SAID DETERGENT COMPONENT ABOUT TO 35%, BY WEIGHT, OF SAID DETERGENT COMPONENT OF A FOAM-SUPPRESSING AGENT OF THE FORMULA:
Claim 2
Dependent Claim
69 words
A DETERGENT COMPOSITION CHARACTERIZED BY A LOW DEGREE OF FOAMING IN AGITATED DILUTE AQUEOUS SOLUTIONS THEREOF CONSISTING ESSENTIALLY OF A NORMALLY HIGH FOAMING DETERGENT COMPONENT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE SALTS OF ORGANAIC SULFONIC ACIDS AND WATERSOLUBLE SALTS OF SULFURIC ACID ALKYL ESTERS, AND TO SUPPRESS FOAMING OF SAID DETERGENT COMPONENT ABOUT TO 35%, BY WEIGHT, OF SAID DETERGENT COMPONENT OF A FOAM-SUPPRESSING AGENT OF THE FORMULA:
References Cited (Backward Citations)
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |