Production of plastics materials from microorganisms
AssigneeZeneca Limited
InventorsJohn Macdonald Liddell, Timothy John Locke
Life of this patent
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Abstract
A plastic is recovered from microorganisms containing it by chemically solubilising non plastic material with an oxidising agent in the presence of a chelating agent.
Claims12
A process of recovering a plastic from a plastic producing microorganism in which non plastic material is removed from the plastic by a process which comprises a stage of chemically reacting non plastic material of the microorganisms with an oxidising agent in the presence of a chelating agent.
A process of producing a plastic which comprises growing a plastic producing microorganism under conditions conducive to plastic accumulation characterised in that non plastic material is removed from the product by a process which comprises chemically reacting non plastic material of the microorganisms in a stage of chemical solubilisation of non plastic material with an oxidising agent in the presence of a chelating agent.
Dependencies are inferred from the claim text.