definiens: means all materials, trade secrets or other information, including, without limitation, proprietary information and materials ( whether or not patentable ) regarding a party 's technology, products, business information or objectives, which is designated as confidential in writing by the disclosing party, whether by letter or by the use of an appropriate stamp or legend, prior to or at the time any such material, trade secret or other info rmation is disclosed by the disclosing party to the other party . Notwithstanding the foregoing to the contrary ( a ) materials, trade secrets or other information which is orally or visually disclosed by a party shall constitute Confidential Information if t he disclosing party indicated at the time of such disclosure that such materials, trade secrets or other information were confidential and, within ten ( 10 ) business days after such disclosure, delivers to the other party a written document or documents describing the materials, trade secrets or other information and referencing the place and date of such oral or visual disclosure and the names of the persons to whom such disclosure was made, and ( b ) materials, trade secrets or other information which is dis closed in writing without an appropriate letter, stamp or legend shall constitute Confidential Information if the disclosing party, within ten ( 10 ) days after such disclosure, delivers to the other party a written document or documents describing the mater ials, trade secrets or other information, referencing the place and date of such written disclosure and the names of the persons to whom such disclosure was made