Active compound release systems

Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

424 78, 424 83, 428156, 604897, A61F 702, A61F 1302, A61L 1503, A61L 1506

Patent

active

046611045

ABSTRACT:
In a therapeutic system such as a plaster for administration of an active compound through the skin and comprising a covering layer which is essentially impermeable to the active compound, an active compound reservoir layer and a protective layer which can be pulled off and which is essentially impermeable to the active compound, the improvement wherein the reservoir layer contain about 1-30% of active compound in an elastomer mixture comprising a predominantly amorphous olefinic (co)polymer with a glass transition temperature of <20.degree. C., mixed with from 0 up to about 50% by weight of a polyisobutylene, polybutadiene oil and/or paraffin oil, and a tackifying resin. Thereby the active compound can be released in regulated relatively large quantity over a prolonged period of time.

REFERENCES:
patent: 3742951 (1973-07-01), Zafforoni
patent: 3996934 (1976-12-01), Zafforoni
patent: 4031894 (1977-06-01), Urquhart et al.
patent: 4201211 (1980-05-01), Chandrasekoran et al.
patent: 4420407 (1983-12-01), Otsuka et al.
patent: 4455146 (1984-06-01), Noda et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Active compound release systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Active compound release systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Active compound release systems will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-474751

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.