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1,4-dioxane-degrading bacteria culture method, medium, and 1,4-dioxane treatment method using 1,4-dioxane-degrading bacteria
US10364415B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10364415-B2 |
| Application number | US-201515517146-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 7, 2015 |
| Priority date | Oct 9, 2014 |
| Publication date | Jul 30, 2019 |
| Grant date | Jul 30, 2019 |
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- Title
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Abstract
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To provide an effective 1,4-dioxane-degrading bacteria culture method. Provided is a 1,4-dioxane-degrading bacteria culture method in which 1,4-dioxane-degrading bacteria are propagated using a medium containing diethylene glycol.
First claim
Opening claim text (preview).
What is claimed is: 1. A 1,4-dioxane-degrading bacteria culture method comprising culturing/incubating 1,4-dioxane-degrading bacteria with a medium containing diethylene glycol at a concentration of 1.0 wt % or more and 10.0 wt % or less, thereby multiplying the 1,4-dioxane-degrading bacteria, wherein the 1,4-dioxane-degrading bacteria are at least one of Mycobacterium sp. D11 (Accession Number: NITE BP-01926) or Pseudonocardia sp. D17 (Accession Number: NITE BP-01927). 2. The culture method according to claim 1 , wherein the medium is a liquid medium. 3. The culture method according to claim 2 , wherein the 1,4-dioxane-degrading bacteria are cultured/incubated with the liquid medium, obtaining culture solution, wherein the same amount of culture solution as the supply amount of liquid medium is removed while the liquid medium is supplied. 4. The culture method according to claim 2 , wherein the medium contains at least one component selected from the group consisting of corn steep liquor, casamino acid, yeast extract, and peptone. 5. The culture method according to claim 1 , wherein the medium contains at least one component selected from the group consisting of corn steep liquor, casamino acid, yeast extract, and peptone. 6. The culture method according to claim 5 , wherein the 1,4-dioxane-degrading bacteria are cultured/incubated with the liquid medium, obtaining culture solution, wherein the same amount of culture solution as the supply amount of liquid medium is removed while the liquid medium is supplied.
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Classifications
Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factors; Stimulation of growth by removal of a chemical compound (C12N1/34 takes precedence) · CPC title
characterised by the microorganisms used · CPC title
Biological treatment of water, waste water, or sewage {(C02F1/006 takes precedence)} · CPC title
microbiologically, {biologically} or by using enzymes · CPC title
- C12N1/20Primary
Bacteria; Culture media therefor · CPC title
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- What does patent US10364415B2 cover?
- To provide an effective 1,4-dioxane-degrading bacteria culture method. Provided is a 1,4-dioxane-degrading bacteria culture method in which 1,4-dioxane-degrading bacteria are propagated using a medium containing diethylene glycol.
- Who is the assignee on this patent?
- Taisei Corp, Univ Osaka, School Juridical Person Kitasato Inst
- What technology area does this patent fall under?
- Primary CPC classification C12N1/20. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 30 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).