Patent US3123553A successfully refreshed from Google Patents.
US3123553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of alkyl benzene sulfonate from liquids
Assignee: —
•
Filing: 1961-09-08
•
Granted: 1964-03-03
•
Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:58
CPC Classifications
B; B01; B01J; B01J41/00; B01J41/04; B01J47/00; B01J47/016; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/908; Y10S210/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF REMOVING ALKYL BENZENE SULFONATE DISSOLVED IN A BODY OF WATER, WHICH COMPRISES EFFECTING INTIMATE CONTACT BETWEEN THE WATER BODY AND AN ANION EXCHANGE RESIN WITHOUT PRIOR REMOVAL OF CATIONS WHICH MAY BE PRESENT IN SAID WATER TO EXTRACT SAID SULFONATE FROM THE WATER BY SAID RESIN AND THEREBY SUBSTANTIALLY PREVENT FOAMING OF THE WATER CAUSED BY SAID SULFONATE.
Claim 2
Independent Claim
61 words
THE METHOD OF REMOVING ALKYL BENZENE SULFONATE DISSOLVED IN A BODY OF WATER, WHICH COMPRISES EFFECTING INTIMATE CONTACT BETWEEN THE WATER BODY AND AN ANION EXCHANGE RESIN WITHOUT PRIOR REMOVAL OF CATIONS WHICH MAY BE PRESENT IN SAID WATER TO EXTRACT SAID SULFONATE FROM THE WATER BY SAID RESIN AND THEREBY SUBSTANTIALLY PREVENT FOAMING OF THE WATER CAUSED BY SAID SULFONATE.
References Cited (Backward Citations)
USRE24213E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |