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AssigneeMedi GmbH & Co. KG
InventorsCHRISTA HUGER, ANGELIKA SCHERM, SEEMA AGARWAL, ANDREAS GREINER, PIN HU
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The invention relates to medical aids, in particular compression products, such as compression stockings or bandages. More specifically, the invention relates to compression products comprising fibre forming polyurethane polymers showing a delayed continuous relaxation behaviour. The invention furthermore relates to polyurethane polymers containing N-diol and corresponding quaternised polyurethane polymers, to a process of producing the polyurethane polymers, to blends with elastane, as well as to uses.
A compression product comprising an elastic component or material, the elastic material being capable of applying a compression or a supporting force or a local pressure to a part of the body of a subject, the elastic material furthermore being capable of passing through a first phase during which the material is expanded, a second phase during which the component or material relaxes without recovering its original shape, and a third phase during which the component or material recovers its original shape with successive deceleration, wherein relaxation is self-initiated.
A polyurethane (PU) polymer having a delayed continuous relaxation behaviour, wherein relaxation is initiated autonomously or spontaneously in the absence of an external stimulus.
A blend comprising:
A process for producing a polyurethane (PU) polymer containing N-diol, the PU polymer containing at least one N-diol monomer component, comprising the steps of:
Dependencies are inferred from the claim text.