Durazym Trademarks

DURAZYM
proteolytic enzyme; namely, protease, sold in bulk for use in the manufacture of detergents
Cancelled  ·  September 12, 1990  ·  74096215  · 
DURAZYME
Liquid Contact Lens Cleaner
Abandoned  ·  May 18, 1984  ·  73480916  · 
durazyme
DURAZYME
STABILIZED CHEMICAL REAGENTS CONTAINING ENZYMES AND/OR ENZYME CO-FACTORS FOR USE IN ASSAYING ENZYMES OR SUBSTRATES
Expired  ·  February 24, 1978  ·  73159901  ·