Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Asuka Fukumoto0
Date of Patent
March 5, 2024
0Patent Application Number
178228350
Date Filed
August 29, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
An object of the present invention is to provide a method for producing PHA capable of providing PHA (for example, a PHA powder) having excellent thermal stability with high productivity. The present invention is a method for producing polyhydroxyalkanoic acid, the method including a step (a) and a step (b) below step (a) of preparing an aqueous suspension liquid containing polyhydroxyalkanoic acid and polyvinyl alcohol and having a pH of 7 or less; and step (b) of spray-drying the aqueous suspension liquid prepared in the step (a).
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