Hydrogel capable of absorbing blood and/or body fluids

Surgery – Means and methods for collecting body fluids or waste material – Absorbent pad for external or internal application and...

Reexamination Certificate

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C604S367000, C604S369000, C604S403000, C604S416000, C422S027000, C422S028000, C422S040000, C422S041000, C422S180000, C422S018000, C516S135000, C516S136000, C516S137000, C516S138000, C516S009000, C516S011000, C516S013000, C516S079000, C516S080000, C516S087000, C516S905000, C516S906000, C521S086000, C523S107000, C523S111000, C523S122000, C523S200000, C523S201000, C523S204000, C523S207000, C523S209000, C523S210000, C523S212000, C523S218000, C523S310000, C523S457000, C523S513000, C523S514000, C523S521000, C524S

Reexamination Certificate

active

08063265

ABSTRACT:
A hydrogel having a floatability where from 40% to 90% of a solution and/or suspension to be thickened are thickened starting from the surface of the liquid and the rest of the solution and/or suspension to be thickened is thickened starting from the bottom of the container, a process for preparing the hydrogel and also its use for absorbing blood and/or body fluids, especially in hygiene articles, or for thickening aqueous solutions and/or suspensions, especially for thickening medical wastes.

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