Disclosures made to contractor under this agreement with are specific, (e.g., as to engineering and design practices and techniques, equipment, product, operating conditions, catalyst idenity and/or method of catalyst preparation or treatment, etc.) shall not be deemed to be within the foregoing exceptions merely because they are embraced by general disclosures in the public domain or in its possession. In addition, any combination of features shall not be deemed to be within the foregoing exceptions merely becuase individual features are in the public domain or in its possession, but only if the combination itself and its principle of operation are in the public domain or in its possession.