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US Patent 6916446 - Bioreactor method, apparatus and product thereby

US Patent Issued on July 12, 2005
Estimated Patent Expiration Date: Icon_subject September 18, 2022Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

Methyl halide contaminants are oxidized in a reaction chamber containing a methylotrophic bacterium through direct oxidation of the methyl halide contaminant. Methyl halides may be used as a disinfectant, with the remnant methyl halide contaminant oxidized through direct oxidation by the methylotrophic bacterium.

Other References

  • Osol, A. et al. (eds.). Remington's Pharmaceutical Sciences.1980. 16th Edition. Philadelphia College of Pharmacy and Science. p. 1506.
  • Article: “Large carbon isotope fractionation associated with oxidation of methyl halides by methylotrophic bacteria”. Miller et al., PNAS, May 8, 2001, vol. 98, No. 10, pp. 5833-5837.
  • Article: “Consumption of Tropospheric Levels of Methyl Bromide by C1 Compound-Utilizing Bacteria and Comparison to Saturation Kinetics”, Goodwin et al., Applied and Environmental Microbiology, Dec. 2001, pp. 5437-5443.
  • Article: “Bacterial Oxidation of Methyl Bromide in Mono Lake. California” Connell et al., Environ. Sci. Technol., 1997. 31, pp. 1489-1495.
  • Article: “Oxidation of Methyl Halides by Facultative Methylotroph Strain IMB-1”. Schaefer et al., Applied and Environmental Microbiology, Nov. 1999. pp. 5035-5041.
  • Article: “Methyl bromide adsorption on activated carbon to control emissions from commodity fumigations”, Leesch et al., Journal of Stored Products Research 36 (2000), pp. 65-74.
  • Article: “Methyl Bromide Recovery on Activated Carbon with Repeated Adsorption and Electrothermal Regeneration”, Snyder et al., Ind. Eng. Chem. Res., 2001, 40, pp. 2925-2933.

Inventors

Application

No. 10251697 filed on 09/18/2002

US Classes:

422/28, Using disinfecting or sterilizing substance422/1, PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING422/5, Deodorizing422/32, Treating bulk material422/37, Using halogen or halogen-containing compound422/119, WITH INDICATING, SIGNALLING, RECORDING, SAMPLING, OR INSPECTION MEANS422/261, Liquid-solid contact means422/305, Including gas generating means435/41, MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION435/132, Preparing oxygen-containing organic compound435/170, Using bacteria435/183, ENZYME (E.G., LIGASES (6. ), ETC.), PROENZYME; COMPOSITIONS THEREOF; PROCESS FOR PREPARING, ACTIVATING, INHIBITING, SEPARATING, OR PURIFYING ENZYMES435/262.5, Destruction of hazardous or toxic waste435/148, Ketone210/615, Utilizing contact surfaces supporting microorganism (e.g., trickling filter, etc.)210/603, Including collecting or storing gas (e.g., fuel, carbon monoxide, etc.)210/610, Including adding ancillary growth medium for microorganism424/93.4, Bacteria or actinomycetales423/240SSolid removal agent

Field of Search

435/41, MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION435/132, Preparing oxygen-containing organic compound435/170, Using bacteria435/183, ENZYME (E.G., LIGASES (6. ), ETC.), PROENZYME; COMPOSITIONS THEREOF; PROCESS FOR PREPARING, ACTIVATING, INHIBITING, SEPARATING, OR PURIFYING ENZYMES435/262.5, Destruction of hazardous or toxic waste422/1, PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING422/5, Deodorizing422/28, Using disinfecting or sterilizing substance422/32, Treating bulk material422/37, Using halogen or halogen-containing compound422/119, WITH INDICATING, SIGNALLING, RECORDING, SAMPLING, OR INSPECTION MEANS422/261, Liquid-solid contact means422/305Including gas generating means

Examiners

Primary: Gitomer, Ralph
Assistant: Srivastava, Kailash C.

Attorney, Agent or Firm

US Patent References

4266034, Method for producing microbial cells and use thereof to produce oxidation products
Issued on: 05/05/1981
Inventor: Patel ,   et al.
4269940, Microbiological alkane oxidation process
Issued on: 05/26/1981
Inventor: Patel ,   et al.
4492756, Microorganisms of the genus Hyphomicrobium and process for degrading compounds wich contain methyl groups in aqueous solutions
Issued on: 01/08/1985
Inventor: Ghisalba ,   et al.
4971698, Process for wastewater purification
Issued on: 11/20/1990
Inventor: Weber, et al.
5037551, High-flow rate capacity aerobic biological dehalogenation reactor
Issued on: 08/06/1991
Inventor: Barkley, et al.
5057221, Aerobic biological dehalogenation reactor
Issued on: 10/15/1991
Inventor: Bryant, et al.
5116506, Support aerated biofilm reactor
Issued on: 05/26/1992
Inventor: Williamson, et al.
5958757, Biological conversion of organic compounds
Issued on: 09/28/1999
Inventor: Steffan, et al.
6013254, Method for enhancing oxidation of methyl bromide with strain IMB-1 (ATCC 202197) during agricultural fumigations
Issued on: 01/11/2000
Inventor: Oremland, et al.
6051198, Catalyst for purifying fumigation exhaust gases and a method of purifying fumigation exhaust gases
Issued on: 04/18/2000
Inventor: Sano, et al.
6218172Microbiological method for eliminating halogenated ethenes
Issued on: 04/17/2001
Inventor: Koziollek, et al.

International Classes

A61L009/00
A61L012/10
B01D015/08
C12P001/04
G01D021/02

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