Title:
CATAMENIAL PRODUCTS HAVING A COATING OF RUPTURABLE MICROCAPSULES CONTAINING MEDICANTS
United States Patent 3490454

Inventors:
Goldfarb, Alvin
Geiler, William A.
Publication Date:
01/20/1970
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Assignee:
UNITED MERCHANTS & MFG
Primary Class:
604/359
Other Classes:
604/904, 604/360, 424/430, 604/368, 428/907
International Classes:
A61F13/15; A61L15/20; A61F13/20; A61L15/16; A61F13/20; A61M31/00; A61L15/00
US Patent References:
3137631Encapsulation in natural products
3265629Coating by phase separation
3340875Deodorized sanitary napkin
3381688Absorbent pads with silica gel layer for use as surgical receptacles




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