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Yongjun Duan
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Lexington, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Stabilized oral pharmaceutical composition containing iodide and io...
Patent number
6,248,335
Issue date
Jun 19, 2001
Symbollon Corporation
Yongjun Duan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Iodine germicides that continuously generate free molecular iodine
Patent number
5,962,029
Issue date
Oct 5, 1999
Symbollon Corporation
Yongjun Duan
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Methods and pharmaceutical compositions for oral delivery of molecu...
Patent number
5,885,592
Issue date
Mar 23, 1999
Symbollon Corporation
Yongjun Duan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Iodine-based microbial decontamination system
Patent number
5,772,971
Issue date
Jun 30, 1998
Symbollon Corporation
Joseph Murphy
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Molecular iodine pharmaceutical composition
Publication number
20030026852
Publication date
Feb 6, 2003
SYMBOLLON CORPORATION
Yongjun Duan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE