definiens: means any Improvement created, invented or discovered by Licensor, after June 18, 2003 and before [ * ], provided, however, that in the event of ( i ) any transfer by Licensee of substantially all of the assets or stock of Licensee 's proprietary ( branded and/or generic ) ophthalmic pharmaceutical business ; or ( ii ) any transfer by Licensor of substantially all of the assets or stock of Licensor 's ophthalmics business, shall only include Improvements created, invented or discovered by Licensor after June 18, 2003 and before the earlier of ( x ) the effective date of such transfer or ( y ) [ * ] . For the purposes of this Section 1.29A, [ * ] -INDICATES MATERIAL THAT HAS BEEN OMITTED A ND FOR WHICH CONFIDENTIAL TREATMENT HAS BEEN REQUESTED . ALL SUCH OMITTED MATERIAL HAS BEEN FILED WITH THE COMMISSION PURSUANT TO RULE 24b -2 PROMULGATED UNDER THE SECURITIES AND EXCHANGE ACT OF 1934, AS AMENDED