Process for the production of a pharmaceutical preparation...

Details Process for the production of a pharmaceutical preparation... Process for the production of a pharmaceutical preparation...

A - Human Necessities

61

K

167/166

A61K 9/70 (2006.01) A61L 26/00 (2006.01)

Patent

CA 1207666

ABSTRACT OF THE DISCLOSURE The invention relates to a new process for the production of a pharmaceutical preparation in the form of a polyacrylate film which is suitable for long-term transdermal administration of systemically acting pharmaceutical substances. The film is produced by taking a freeze-dried latex consisting of a copolymer of methyl and/or ethyl esters of acrylic and methacrylic acid with an average molecular weight of about 800,000, taking up this latex together with the pharmaceutical substance in an organic solvent or mixture of solvents, converting it into a homogeneous solution and subsequently pouring it out and drying it to form a film.

421171

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