12 Utility Patents
#12 in Fenton, MO
#1,269 in Missouri
#160,715 in US
#323,864 in the World
Forward Citations = 102
Company Filing History:
Petrolite Corporation
Mallinckrodt Specialty Chemicals Company

4. 1 out of 91
Targacept, Inc.
5. 1 out of 2
Mallinckrodt Chemical, Inc.
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