the invention pertains to a new method for formulating pharmaceutical active ingredients in such a way as to protect them when ingested orally , and to allow for the controlling of the release of the active ingredient in the intestine . it relies upon the use of thickening acrylic emulsions with a ph greater than 5 , containing hydrophobic groups , in order to encapsulate the pharmaceutical active ingredients for the purpose of encouraging their passage through the gastrointestinal barrier , while controlling the release kinetics of said active ingredients .