METHOD FOR PRODUCING POLYHYDROXYALKANOATE, AND USE OF SAME

Title:

METHOD FOR PRODUCING POLYHYDROXYALKANOATE, AND USE OF SAME

Document Type and Number:

WIPO Patent Application WO/2023/120310

Kind Code:

A1

Abstract:

The present invention addresses the problem of providing a method for producing a PHA that can be filtrated efficiently. This problem can be solved by providing a method for producing a PHA, the method comprising: a step for heating an aqueous PHA suspension containing a specific additive and having a pH value of 2.5 to 5.5 to 60 to 95°C; a step for cooling the aqueous PHA suspension produced in the heating step to a specific temperature; and a step for subjecting the aqueous PHA suspension produced in the cooling step to dead-end filtration using a filtration material having an air permeability of 0.01 to 5.0 cc/cm2/sec.

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Inventors:

DEGUCHI NAOKI (JP)
HIRANO MASARU (JP)

Application Number:

PCT/JP2022/045968

Publication Date:

June 29, 2023

Filing Date:

December 14, 2022

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Assignee:

KANEKA CORP (JP)

International Classes:

C12P7/62

Domestic Patent References:

WO2017122679A1	2017-07-20
WO2015015395A1	2015-02-05
WO2021079750A1	2021-04-29

Foreign References:

CN111500650A

2020-08-07

Attorney, Agent or Firm:

HARAKENZO WORLD PATENT & TRADEMARK (JP)

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