1 Exhibit 15 Securities and Exchange Commission 450 5th Street, N.W. Judiciary Plaza Washington, D.C. 20549 We are aware that our report dated October 12, 1995, on our review of the interim financial information of The Dexter Corporation as of September 30, 1995 and 1994, and for the three and nine-month periods then ended, and included in this Form 10-Q is incorporated by reference in the company's registration statements on Form S-8, Registration Nos. 2-63959, 33-27597, 33-53307, and 33-53309. Pursuant to Rule 436(c) under the Securities Act of 1933, this report should not be considered a part of the registration statements prepared or certified by us within the meaning of Sections 7 and 11 of that Act. /s/ Coopers & Lybrand L.L.P. COOPERS & LYBRAND L.L.P. Springfield, Massachusetts November 9, 1995