Patent Terms Extended Under 35 U.S.C.   156

   Certificates extending the terms of the following patents were issued
on July 31, 1997.

U.S. Patent No. 4,634,697; Granted: January 6, 1987, to Yoshio
Hamashima; Owner of Record: Shionogi & Co., Ltd.; Title:
CARBOXYALKENAMINDOCEPHALOSPORINS; Classification: 514/202; Product Trade
Name: CEDAX ; Original Expiration Date: October 1, 2004; Term
Extended: Five years; Extended Expiration Date: October 1, 2009.

U.S. Patent No. 4,812,561; Granted: March 14, 1989, to Yoshio Hamashima
et. al.; Owner of Record: Shionogi & Co., Ltd.; Title: CRYSTALLINE
HYDRATE OF ORAL CEPHALOSPORIN AND ITS COMPOSITION; Classification:
540/222; Product Trade Name: CEDAX; Original Expiration Date: July 1,
2007; Term Extended: 903 days; Extended Expiration Date: December 20,
2009.