Patent US4352886A successfully refreshed from Google Patents.
US4352886A
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Process for treating wastewater containing phenolics and microorganism capable of degrading phenolics
Assignee: Novozymes AS
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Filing: 1981-01-27
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Granted: 1982-10-05
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Expires: 2001-01-27
Abstract
Abstract Mutant microorganism, Pseudomonas putida CB-173 degrading phenolics, and at a temperature as low as, e.g., about 1 DEG to 4 DEG C., at a faster rate than known Pseudomonas putida type strains, and process for treating wastewater containing phenolics using the mutant microorganism strain Pseudomonas putida CB-173.
Inventors
- 👤 Lewis J. Pillis
- 👤 Lois T. Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:54
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1205; C02F3/1231; C02F3/34; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/908; Y10S210/909; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874; Y10S435/877
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
59 words
A process for removing phenolics wastewater containing the same comprising treating wastewater containing the phenolics with Pseudomonas putida CB-173 (ATCC-31800) under aerobic conditions for a time sufficient to degrade the phenolics present in the wastewater and remove them or break them down into components capable of being degraded by other organisms normally found in the biological wastewater treatment systems.
Claim 2
Dependent Claim
59 words
A process for removing phenolics wastewater containing the same comprising treating wastewater containing the phenolics with Pseudomonas putida CB-173 (ATCC-31800) under aerobic conditions for a time sufficient to degrade the phenolics present in the wastewater and remove them or break them down into components capable of being degraded by other organisms normally found in the biological wastewater treatment systems.
Claim 3
Dependent Claim
25 words
The process of claim 1, wherein said treating is by culturing said Pseudomonas putida CB-173 with said wastewater in a batch, semi-continuous or continuous manner.
Claim 4
Dependent Claim
49 words
The process of claim 1, wherein said treating of said wastewater with said Pseudomonas putida CB-173 is at a temperature of about 1° C. to about 35° C. at a pH of about 6.0 to about 8.5 and at a dissolved oxygen concentration of about 0.5 mg/l or more.
Claim 5
Dependent Claim
14 words
The process of claim 1, wherein said wastewater additionally contains added nitrogen and/or phosphorus.
Claim 6
Dependent Claim
18 words
The process of claim 1, wherein said treating is at a temperature of about 10° C. or less.
Claim 7
Dependent Claim
16 words
The process of claim 5, wherein said temperature is about 1° C. to about 10° C.
Claim 8
Dependent Claim
16 words
The process of claim 6, wherein said temperature is about 4° C. to about 10° C.
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) | 1985-10-04 | 1986-04-05 | 1986-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-04 | 1990-04-05 | 1990-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-04 | 1994-04-05 | 1994-10-05 | $7700.00 | Window Closed / Lapsed |