Coating ensuring a controlled release of active ingredients of b

Details Coating ensuring a controlled release of active ingredients of b Coating ensuring a controlled release of active ingredients of b

1977-09-19

1981-05-12

Silverberg, Sam

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Agitating to form larger particles

264109, 424 19, 424 33, 424 81, 427 3, A61J 310

Patent

active

042671388

ABSTRACT:
A coating ensuring the controlled release of a biological active ingredient, which can be incorporated in the coating or is surrounded thereby, consists of a varnish-forming polymer selected from the group which consists of cellulose triacetate containing polyethylene glycol as an emollient and vinyl chloride-vinyl acetate copolymer with glycerol as an emollient, and an aqueous phase dispersed in the polymer and consisting of particles of a diameter up to 20 microns, the aqueous phase making up 2% to 30% of the volume of the coating. The active ingredient is preferably a pharmaceutical agent affecting the circulatory system or a psychotropic agent.

REFERENCES:
patent: Re27107 (1971-03-01), Levesque
patent: 3148124 (1964-09-01), Gaunt
patent: 3655129 (1972-04-01), Seiner
patent: 3773919 (1973-11-01), Boswell
patent: 3923939 (1975-12-01), Baker

Affiliated with

Also associated with

Rating

Coating ensuring a controlled release of active ingredients of b does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coating ensuring a controlled release of active ingredients of b, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coating ensuring a controlled release of active ingredients of b will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2046268