US3362905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treating sewage and/or polluted water
Assignee: CHARLES L GLEAVE
•
Filing: 1965-06-16
•
Granted: 1968-01-09
•
Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Charles L Gleave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:33
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
A METHOD FOR TREATING POLLUTED WATER WHICH COMPRISES; (A) MIXING FECAL EXCREMENT FROM PREGNANT COWS WITH WATER AND A FERMENTATION INDUCING MATERIAL TO PRODUCE A MIXTURE HAVING AN INDEPENDENT AQUEOUS-PHASE, (B) MAINTAINING SAID MIXTURE IN A FIRST DIGESTION ZONE FOR A PERIOD REQUISITE TO PROVIDE A SUPERNATANT FLUID HAVING A PH IN THE RANGE OF FROM ABOUT 5.8 TO ABOUT 6.9, (C) REMOVING A PORTION OF SAID SUPERNATANT FLUID FROM SAID FIRST DIGESTION ZONE, (D) DILUTING SAID SUPERNATANT FLUID PORTION WITH FROM ABOUT 0.6 TO ABOUT 1.4 PARTS BY WEIGHT WATER PER PART BY WEIGHT SUPERNATANT FLUID, (E) MAINTAINING SAID DILUTED SUPERNATANT FLUID IN A SECOND DIGESTION ZONE FOR A TIME PERIOD REQUISITE TO PROVIDE A CONCENTRATE FLUID HAVING A PH IN A RANGE OF FROM ABOUT 6.2 TO ABOUT 7.0, (F) REMOVING A PORTION OF SAID CONCENTRATE FLUID FROM SAID SECOND DIGESTION ZONE, (G) DILUTING SAID PORTION OF CONCENTRATE FLUID WITH FROM ABOUT 20 TO ABOUT 30 PARTS BY WEIGHT WATER PER PART BY WEIGHT CONCENTRATE FLUID ALLOWING SAID DILUTED CONCENTRATE FLUID TO STAND IN A THIRD DIGESTION ZONE FOR A TIM PERIOD REQUISITE TO PROVIDE AN AQUEOUS MICROORGANISM CONTAINING COMPOSITION HAVING A PH GREATER THAN ABOUT 7.0, AND (H) REMOVING SOME OF SAID COMPOSITION FROM SAID THIRD DIGESTION ZONE AND CONSTANTLY ADDING SAID MATERIAL REMOVED FROM SAID THIRD ZONE TO A STREAM OF POLLUTED WATER.
Claim 2
Independent Claim
227 words
A METHOD FOR TREATING POLLUTED WATER WHICH COMPRISES; (A) MIXING FECAL EXCREMENT FROM PREGNANT COWS WITH WATER AND A FERMENTATION INDUCING MATERIAL TO PRODUCE A MIXTURE HAVING AN INDEPENDENT AQUEOUS-PHASE, (B) MAINTAINING SAID MIXTURE IN A FIRST DIGESTION ZONE FOR A PERIOD REQUISITE TO PROVIDE A SUPERNATANT FLUID HAVING A PH IN THE RANGE OF FROM ABOUT 5.8 TO ABOUT 6.9, (C) REMOVING A PORTION OF SAID SUPERNATANT FLUID FROM SAID FIRST DIGESTION ZONE, (D) DILUTING SAID SUPERNATANT FLUID PORTION WITH FROM ABOUT 0.6 TO ABOUT 1.4 PARTS BY WEIGHT WATER PER PART BY WEIGHT SUPERNATANT FLUID, (E) MAINTAINING SAID DILUTED SUPERNATANT FLUID IN A SECOND DIGESTION ZONE FOR A TIME PERIOD REQUISITE TO PROVIDE A CONCENTRATE FLUID HAVING A PH IN A RANGE OF FROM ABOUT 6.2 TO ABOUT 7.0, (F) REMOVING A PORTION OF SAID CONCENTRATE FLUID FROM SAID SECOND DIGESTION ZONE, (G) DILUTING SAID PORTION OF CONCENTRATE FLUID WITH FROM ABOUT 20 TO ABOUT 30 PARTS BY WEIGHT WATER PER PART BY WEIGHT CONCENTRATE FLUID ALLOWING SAID DILUTED CONCENTRATE FLUID TO STAND IN A THIRD DIGESTION ZONE FOR A TIM PERIOD REQUISITE TO PROVIDE AN AQUEOUS MICROORGANISM CONTAINING COMPOSITION HAVING A PH GREATER THAN ABOUT 7.0, AND (H) REMOVING SOME OF SAID COMPOSITION FROM SAID THIRD DIGESTION ZONE AND CONSTANTLY ADDING SAID MATERIAL REMOVED FROM SAID THIRD ZONE TO A STREAM OF POLLUTED WATER.
References Cited (Backward Citations)
US2227648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |