Application of Karl Ziegler, Heinz Breil, Erhard Holzkamp and Heinz Martin

MARTIN, Judge.

The major issue in this appeal resolves itself into the question of whether a foreign application must show an entire generic invention as presently claimed in a U. S. application in order to be-effective for priority, or whether it may be effective for priority purposes if it shows the same species as the refer enees which otherwise anticipate the claims. A preliminary issue is whether the term “alkali metal alkyl” is anticipated by a lithium aluminum tetraalkyl.

The application on appeal 1 discloses and claims a two-component catalyst useful for the polymerization of olefins,…