1、 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549FORM 10-Kxx Annual Report Pursuant to Section 13 or 15(d)of the Securities Exchange Act of 1934For the fiscal year ended December 31,2006ORoo Transition Report Pursuant to Section 13 or 15(d)of the Securities Exchange Act of 1934Iso
2、lagen,Inc.(Exact name of registrant as specified in its Charter.)Delaware001-3156487-0458888(State or other jurisdictionof incorporation)(Commission File Number)(I.R.S.EmployerIdentification No.)405 Eagleview BoulevardExton,Pennsylvania 19341(Address of principal executive offices,including zip code
3、)(484)713-6000(Issuers telephone number,including area code)Securities registered pursuant to Section 12(b)of the Act:Title of Each Class Name of Each Exchange on which RegisteredCommon Stock,$.001 par value American Stock Exchange Indicate by check mark if the registrant is a well-known seasoned is
4、suer,as defined in Rule 405 of the Securities Act.Yes o No xIndicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d)of the Act.Yes o No xIndicate by check mark whether the registrant:(1)filed all reports required to be filed by Section 13 or 15
5、(d)of the Exchange Act during the preceding12 months(or for any shorter period that the registrant was required to file such reports),and(2)has been subject to such filing requirements for the past90 days.Yes x No oIndicate by check mark if there is no disclosure of delinquent filers in response to
6、Item 405 of Regulation S-K contained in this form,and no disclosurewill be contained,to the best of registrants knowledge,in definitive proxy or information statements incorporated by reference in Part III of this Form 10-Kor any amendment to this Form 10-K.oIndicate by check mark whether the regist