External preparation for application to the skin containing lido

Details External preparation for application to the skin containing lido External preparation for application to the skin containing lido

1994-06-10

1998-10-27

Gardner-Lane, Sally

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

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

424985, 424486, 424487, 424489, 424 7802, 514817, 514944, A61K 900, A61K 970

Patent

active

058275290

ABSTRACT:
An external preparation for application to the skin containing lidocaine which comprises a drug-retaining layer placed on a support, wherein said drug-retaining layer comprises an adhesive gel base and 1 to 10% by weight of lidocaine, said base comprising a water-soluble high molecular weight substance, water and a water-retaining agent, which can release the active lidocaine gradually and constantly so that lidocaine is transdermally absorbed for a long period of time.

REFERENCES:
patent: 3797494 (1974-03-01), Zaffaroni
patent: 4628063 (1986-12-01), Haines et al.
patent: 4834978 (1989-05-01), Nuwayser
patent: 4914131 (1990-04-01), Haines et al.
patent: 5002974 (1991-03-01), Genia
patent: 5059189 (1991-10-01), Cliento
patent: 5066494 (1991-11-01), Becher
patent: 5120544 (1992-06-01), Henley
London, GB. (no date). London, GB. (no date).

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