Process for producing film

Details Process for producing film Process for producing film

1983-02-03

1984-12-25

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264216, 424 22, 424 28, 424 81, 604896, 604897, D01F 600, A61M 3700, A61K 900

Patent

active

044903227

ABSTRACT:
A novel process for the preparation of a pharmaceutical preparation in the form of an polyacrylate film for long-term transdermal administration of systemic pharmaceuticals comprising forming a homogeneous solution of an effective amount of a systemically acting pharmaceutical and a freeze-dried latex of a polyacrylate copolymer of methyl and/or ethyl esters of acrylic acid and methacrylic acid formed by emulsion polymerization and having an average molecular weight of about 800,000 in at least one organic solvent, forming a thin layer of the said solution and drying the layer to form a polyacrylate film and the film product produced by the said process.

REFERENCES:
patent: 4136145 (1979-01-01), Fuchs et al.
Ency. of Chem. Tech., vol. 8, "Emulsions", pp. 923-926.
Ency. of Chem. Tech., vol. 18, "Polymerization Processes", pp. 742-743.

Affiliated with

Also associated with

Rating

Process for producing film does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing film, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing film will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1152145