Patent Terms Extended Under 35 U.S.C.   156
   
   Certificates extending the terms of the following patents were issued
on February 27, 1998.

U.S. Patent No. 4,062,848; Granted December 13, 1977, to Willem Jacob
van der Burg; Owner of Record: Akzona Incorporated; Title: TETRACYCLIC
COMPOUNDS; Classification: 540/578; Product Trade Name: Remeron
(mirtazapine); Approval Date by the Food and Drug Administration: June
14, 1996; Term Extended: Two years; Extended Expiration Date: June 14,
1998.

U.S. Patent No. 4,503,067; Granted March 5, 1985, to Fritz Wiedemann, et
al.; Owner of Record: Boehringer Mannheim GmbH; Title:
CARBAZOLYL-(4)-OXYPROPANOLAMINE COMPOUNDS AND THERAPEUTIC COMPOSITIONS;
Classification: 514/411; Product Trade Name: COREG  (carvedilo);
Original Expiration Date: March 5, 2002; Term Extended: 5 years;
Extended Expiration Date: March 5, 2007.

U.S. Patent No. 4,604,463; Granted August 5, 1986, to Tadashi Miyasaka
et al.; Owner of Record: Kabushiki Kaisha Yakult Honsha; Title:
CAMPTOTHECIN DERIVATIVES AND PROCESS FOR PREPARING SAME; Classification:
544/125; Product Trade Name: CAMPTOSAR  (irinotecan hydrochloride);
Original Expiration Date: July 5, 2004; Term Extended: 1,141 days;
Extended Expiration Date: August 20, 2007.

U.S. Patent No. 4,830,010; Granted May 16, 1989, to Barry J. Marshall;
Owner of Record: Barry J. Marshall; Title: METHODS FOR THE DIAGNOSIS OF
GASTROINTESTINAL DISORDERS; Classification: 128/630; Product Trade Name:
MERETEK BREATH TEST; Original Expiration Date: May 16, 2006; Term
Extended: 1,260 days; October 27, 2009.

U.S. Patent No. 4,859,692; Granted August 22, 1989, to Peter R.
Bernstein, et al.; Owner of Record: Zeneca, Inc.; Title: HETEROCYCLIC
AMIDE DERIVATIVES AND PHARMACEUTICAL USE; Classification: 514/381;
Product Trade Name: ACCOLATE  (zafirlukast); Original Expiration Date:
August 22, 2006; Term Extended: 1,496 days; Extended Expiration Date:
September 26, 2010.

U.S. Patent No. 4,954,348; Granted September 4, 1990, to Milos Sovak et
al.; Owner of Record: Cook Imaging Corporation; Title: NON-IONIC POLYOL
CONTRAST MEDIA FROM IONIC CONTRAST MEDIA; Classification: 424/5; Product
Trade Name: OXILAN  (ioxilan); Original Expiration Date: September 4,
2007; Term Extended: 839 days; Extended Expiration Date: December 21,
2009.

U.S. Patent No. 5,145,863; Granted September 8, 1992, to Thomas J.
Dougherty et al.; Owner of Record: Health Research, Inc.; Title: METHOD
TO DESTROY OF IMPAIR TARGET CELLS; Classification: 514/410; Product
Trade Name: PHOTOFRIN  (porfimer sodium); Original Expiration Date:
June 12, 2007; Term Extended: 916 days; Extended Expiration Date:
December 14, 2009.

U.S. Patent No. 5,164,194; Granted November 17, 1992, to Helmut Hettche;
Owner of Record: Asta Medica, AG; Title: AZELASTINE CONTAINING
MEDICAMENTS; Classification: 424/489; Product Trade Name: ASTELIN 
(azelastine hydrochloride); Original Expiration Date: November 17, 2009;
Term Extended: 349 days; November 1, 2010.

U.S. Patent No. 5,441,745; Granted August 15, 1995, to Cary A. Presant
et al.; Owner of Record: NeXstar Pharmaceuticals, Inc.; Title: METHOD OF
DELIVERING MICELLULAR PARTICLES ENCAPSULATING CHEMOTHERAPEUTIC AGENTS TO
TUMORS IN THE BODY; Classification: 424/450; Product Trade Name:
DaunoXome  (daunorubicin citrate); Original Expiration Date: May 28,
2008; Term Extended: 238 days; Extended Expiration Date: January 21,
2009.