Broad spectrum antimicrobial purification materials and...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants

Reexamination Certificate

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C424S400000, C424S404000, C424S406000

Reexamination Certificate

active

11539422

ABSTRACT:
Purification materials with broad spectrum antimicrobial properties and methods and devices for fluid treatment utilizing said materials are provided. The purification materials include biguanide hydrates and bases. A particular composition includes chlorhexidine dihydrate with the chemical formula (C22H30N10Cl2.1.3 H2O), which is useful in water purification applications.

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