ITC Packaging has combined separable, '100% recyclable' plastic and cardboard components to develop its thermoformed CombiCup ...

The other reflexive pronouns don't change. They have an object as well as a pronoun. Why?

In an um...zu... clause, the infinitive has to be at the end. But when using a separable verb, you 'separate' the prefix and the rest of the infinitive by inserting ...