FEL-COPRENE by FEDERAL-MOGUL LLC (Track this)
Intl: (017) Rubber goods US: 035 Filing date: 06-Jul-1960 Serial number: 72100357
KEMSTRENE by PMC Biogenix, Inc. (Track this)
Intl: (001) Chemicals US: 006 Filing date: 23-Dec-1959 Serial number: 72087897
ADIPRENE by LANXESS CORPORATION (Track this)
Intl: (001) Chemicals US: 001 Filing date: 05-May-1954 Serial number: 71665762
HYSTRENE by PMC BIOGENIX, INC. (Track this)
Intl: (001) Chemicals US: 006 Filing date: 10-Nov-1949 Serial number: 71587662