US3024159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial process water treatment
Assignee: ChampionX LLC
•
Filing: 1958-06-02
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Granted: 1962-03-06
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Carol H Bollenback
- 👤 George R Hunt
- 👤 Saito Etsuo
- 👤 Jerry J Svarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:08
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; Y; Y10; Y10S; Y10S507/00; Y10S507/92
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
AN AQUEOUS SUSPENSION COMPRISING WATER WHICH CONTAINS FROM 0.1% TO 15% BY WEIGHT OF SUSPENDED CELLULOSE FIBERS AND A BIOLOGICALLY ACTIVE AMOUNT OF A HALOGENATED ACETONE ALKALI METAL BISULFITE ADDITION PRODUCT HAVING THE FORMULA:
References Cited (Backward Citations)
US2853528A
Cited
US1816441A
Cited
US2338791A
Cited
US2684924A
Cited
US2763097A
Cited
US2901394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |