Example: ul > li will match all <li> elements that are inside a <ul> element. Descendant selectors. The ' ' combinator selects nodes that are children (not necessary direct children) of the former specified element. Example: div span will match any <span> element that is inside a <div> element.
Generic Firazyr. Because a patent is in place until  July 2014, companies are currently not allowed to make a generic version of Firazyr (icatibant). However, after this patent expires, a generic product may become available.
Hence, a 20-year period of the patent usually gives manufacturers a chance to recoup the cost of developing a new drug. When a drug patent expires, any pharmaceutical company can manufacture and sell the drug. A drug, which is produced and distributed without patent protection is called a generic drug.