A process for forming photosensitive microcapsules having discrete capsule walls comprising the steps of forming an emulsion of an oily core material in a continuous aqueous phase containing a carboxyvinyl polymer and enwrapping particles of the oily core material in an amine-formaldehyde condensation product produced by in situ condensation of an amine and formaldehyde wherein the carboxyvinyl polymer comprises a crosslinked polymer of acrylic acid is disclosed.

 
Web www.patentalert.com

< Production of dyed polymer microparticles

< Methods of making decomposable thin films of polyelectrolytes and uses thereof

> Substituted thiene-3-yl-sulfonyl amino(thio)carbonyl-triazolin(thi)ones

> Methods for treating stress disorders using glucocorticoid receptor-specific antagonists

~ 00220