Adhesive preparations

A - Human Necessities – 61 – K

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

A61K 9/70 (2006.01) A61K 47/32 (2006.01)

Patent

CA 2394506

This invention provides a patch with less skin stimulation, excellent in long time store stability and heat stability and having favorable tack during use. The patch comprising a styrene - isoprene - styrene block copolymer, polyisobutylene, tackifier, plasticizer and pharmaceutically effective ingredient, in which two or more kinds of polyisobutylene of different average molecular weight are used in combination and the viscosity of the adhesive of the patch is between 1500 and 30,000 poise (at 60°C) and the tack of the patch is from 5 to 200 g/10 mm.

Cette invention se rapporte à des préparations d'adhésifs, qui n'irritent guère la peau, qui possèdent une excellente stabilité lors d'un entreposage prolongé et une stabilité thermique élevée, et qui présentent un pouvoir adhésif favorable lors de l'utilisation. Ces préparations d'adhésifs comprennent un copolymère bloc de styrène-isoprène-styrène, des poly-isobutylènes, un agent gluant, un plastifiant et un constituant à base de médicament, et elles se caractérisent en ce qu'au moins deux poly-isobutylènes ayant des poids moléculaires moyens différents sont utilisés en association, en ce que la viscosité de l'adhésif dans la préparation est comprise entre 1500 et 30000 P (60 DEG C) et en ce que sa force d'adhérence est comprise entre 5 et 200 g/10 mm.

LandOfFree

Say what you really think

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

Rating

Adhesive preparations does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFCA-PAI-O-1568466

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