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Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
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13/00
Bandages or dressings; Absorbent pads
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A61F13/15
Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
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A61F13/53
characterised by the absorbing medium
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A61F13/534
having an inhomogeneous composition through the thickness of the pad
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A61F13/537
characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
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A61F13/53743
characterised by the position of the layer relative to the other layers
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A61F13/53752
the layer is embedded in the absorbent core
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