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US 6,255,451 B1Granted
Degradation of biologically degradable polymers using enzymes
AssigneeBayer Aktiengesellschaft
InventorsRainhard Koch, Henrik Lund
Life of this patent
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Abstract
This invention relates to the complete degradation by enzymes of moldings, sheet-like products, coatings, adhesives or foams made of biodegradable polymers. The invention relates in particular to the enzymatic degradation of polyester amides, and of polyester urethanes which contain urea groups.
Claims7
A method for the enzymatic degradation of biodegradable polymers wherein a biodegradable polymer is treated with an aqueous solution, optionally buffered, containing one or more members selected from the group consisting of the lipase from Candida antarctica and a cutinase.
Dependencies are inferred from the claim text.