Crosslinked hydrogel and method for making same

Details Crosslinked hydrogel and method for making same Crosslinked hydrogel and method for making same

1990-06-15

1992-06-09

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

424444, 424445, A61F 1300

Patent

active

051205440

ABSTRACT:
A chemically crosslinked hydrogel includes an active ingredient for transdermal transport selected from the group of lidocainehydrochloride, hydrocortisone, menthol, and methyl salicylate and utilizes as a crosslinking agent an aluminum acetate, which is a polyvalent salt, which renders the resulting hydrogel electrically conductive with a resistance of less than 10,000 ohms per linear centimeter.

REFERENCES:
patent: 4706680 (1987-11-01), Kensch et al.

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