An aqueous dispersion of polyurethane composites is made by forming a mixture of urethane prepolymer or polymer, ketone functional molecule/oligomers, and hydrazine functional molecule/oligomers; and dispersing the mixture so made in aqueous medium.

 
Web www.patentalert.com

< Image presentation and micro-optic security system

> Polymorphic crystalline forms of celecoxib

~ 00491