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US4317885A Expired / Lapsed US ⏱️ 0.0 years remaining

Microbiological process for removing non-ionic surface active agents, detergents and the like from wastewater and microorganism capable of same

Assignee: Sybron Chemical Holdings Inc
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Filing: 1980-06-12
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Granted: 1982-03-02
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Expires: 2000-06-12
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Abstract

Abstract A process for degrading and removing anionic and/or non-ionic surface active agents, detergents and the like from wastewater containing the same comprising treating wastewater containing the anionic and/or non-ionic surface active agents, detergents and like compounds with a novel microbial strain of Pseudomonas fluorescens under aerobic conditions; and the novel microorganism of the strain Pseudomonas fluorescens.

Inventors

  • 👤 James E. Blair
  • 👤 Lois T. Davis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:21
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C02; C02F; C02F3/00; C02F3/34; C12R; C12R2001/00; C12R2001/01; C12R2001/38; C12R2001/39; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874; Y10S435/876

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 51 words
A biologically pure culture of the microorganism Pseudomonas fluorescens 3P having the identifying characteristics of ATCC-31483, said microorganism upon culturing in wastewater containing a material selected from the group consisting of anionic surface active agents, nonionic surface active agents, detergents and mixtures utilizes said material as an assimilable source of carbon.
Claim 2
Dependent Claim 51 words
A biologically pure culture of the microorganism Pseudomonas fluorescens 3P having the identifying characteristics of ATCC-31483, said microorganism upon culturing in wastewater containing a material selected from the group consisting of anionic surface active agents, nonionic surface active agents, detergents and mixtures utilizes said material as an assimilable source of carbon.

References Cited (Backward Citations)

US3105014A Cited
US3660278A Cited
US3843517A Cited
US4146470A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-03-01 1985-08-31 1986-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-03-01 1989-08-31 1990-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-03-01 1993-08-31 1994-03-02 $7700.00 Window Closed / Lapsed

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