defunct biotechnology companies: mergers and acquisitions, business liquidation, insolvency, renaming

Defunct Biotechnology Companies

Darwin Molecular Corporation	acquired by	Chiroscience, Inc.	1996
Delex Therapeutics, Inc.	acquired by	YM BioSciences	2005
Delta Biotechnology Ltd.	acquired by	Novozyme A/S	2006
Demeter BioTechnologies, Ltd.	renamed	Demegen, Inc.	1998
Diacrin, Inc.	merged	GenVec, Inc.	2003
Digital Gene Technologies, Inc.	acuired by	Neurome, Inc.	2004
Dimethaid Research, Inc.	renamed	Nuvo Research, Inc.	2005
Discovery Therapeutics, Inc.	renamed	Aderis Pharmaceuticals, Inc.	2001
DNA Sciences, Inc.	acquired by	Genaissance Pharmaceuticals, Inc.	2003
Double Twist	defunct		2002
Dynal Biotech ASA	acquired by	Invitrogen Corporation	2005