-
-
Functional chitosan derivative
-
Patent number 7,125,968
-
Issue date Oct 24, 2006
-
Netech, Inc.
-
Hirofumi Yura
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
-
-
Functional chitosan derivative
-
Patent number 6,806,260
-
Issue date Oct 19, 2004
-
Netech, Inc.
-
Yura Hirofumi
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
Ammonia gas analyzer
-
Patent number 4,432,939
-
Issue date Feb 21, 1984
-
Fuji Electric Co., Ltd.
-
Atsuo Watanabe
-
G01 - MEASURING TESTING