US4332904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biochemical treatment by microorganic method
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1979-04-17
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Granted: 1982-06-01
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Expires: 1999-04-17
Abstract
Abstract A vessel capable of passing a liquid therethrough is packed with a support having at least hydrophilicity and microorganism cells are inoculated to the support, retained and cultivated therein. A reaction substrate is fed to the vessel and brought into contact with the microorganism, whereby the microorganism is allowed to propagate within the support and act upon the reaction substrate to induce decomposition or synthetic reactions thereof.
Inventors
- 👤 Ryuichiro Kurane
- 👤 Tomoo Suzuki
- 👤 Yoshimasa Takahara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:28
CPC Classifications
C; C12; C12N; C12N11/00; C12N11/14; C12P; C12P1/00; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/8215; Y10S435/822; Y10S435/872
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
A method of conducting a biochemical reaction to dispose of a phthalate ester with a microorganism comprising: filling a vessel capable of passing liquids therethrough with a hydrophilic support thereby forming a packed bed of said support having a pH in the range from 3 to 9 and which has the capability of retaining and promoting the cultivation of a microorganism; inoculating said support with Nocardia erythropolis; passing an aqueous disperson of a phthalate ester through said vessel thereby permitting said Nocardia erythropolis to react with the phthalate ester as it passes through the packed bed; and maintaining the growth of the Nocardia erythropolis as it continues to react with the passing phthalate ester.
Claim 2
Independent Claim
114 words
A method of conducting a biochemical reaction to dispose of a phthalate ester with a microorganism comprising: filling a vessel capable of passing liquids therethrough with a hydrophilic support thereby forming a packed bed of said support having a pH in the range from 3 to 9 and which has the capability of retaining and promoting the cultivation of a microorganism; inoculating said support with Nocardia erythropolis; passing an aqueous disperson of a phthalate ester through said vessel thereby permitting said Nocardia erythropolis to react with the phthalate ester as it passes through the packed bed; and maintaining the growth of the Nocardia erythropolis as it continues to react with the passing phthalate ester.
Claim 3
Dependent Claim
22 words
The method according to claim 1 wherein said microorganism is inoculated on said support in the form of an acclimatized activated sludge.
Claim 4
Dependent Claim
12 words
The method according to claim 1, wherein said hydrophilic support is soil.
References Cited (Backward Citations)
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US3940332A
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US4032407A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-31 | 1985-11-30 | 1986-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-31 | 1989-11-30 | 1990-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-31 | 1993-11-30 | 1994-06-01 | $7700.00 | Window Closed / Lapsed |