US2906595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process water treatment
Assignee: Wyeth Holdings LLC
•
Filing: 1957-04-29
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Granted: 1959-09-29
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Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Pelcak Emil Jerry
- 👤 Albert C Dornbush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:01
CPC Classifications
C; C12; C12P; C12P33/00; C02; C02F; C02F1/00; C02F1/50; Y; Y10; Y10S; Y10S507/00; Y10S507/92; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHODF OF TREATING INDUSTRIAL SALINE PROCESS WATER TO INHIBIT THE GROWTH OF SULFATE-REDUCING BACTERIA AND CORROSION INDUCED BY SUCH BACTERIA WHICH COMPRISES: PROVIDING IN SAID PROCESS WATER A MEMBER SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS AND MIXTURES THEREOF REPRESENTED BY THE FORMULAE
Claim 2
Dependent Claim
44 words
A METHODF OF TREATING INDUSTRIAL SALINE PROCESS WATER TO INHIBIT THE GROWTH OF SULFATE-REDUCING BACTERIA AND CORROSION INDUCED BY SUCH BACTERIA WHICH COMPRISES: PROVIDING IN SAID PROCESS WATER A MEMBER SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS AND MIXTURES THEREOF REPRESENTED BY THE FORMULAE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |