Chemicals Trademarks Filed in April 23, 1981
HYVIS
Filed: April 23, 1981
Chemicals-Namely, Polybutenes, for Use in the Manufacture of Engine Lubricating Oil Additives, Petrol Additives, [ Engine…
Owned by: BRITISH PETROLEUM COMPANY LIMITED, THE
Serial Number: 73295469
NORPURGE
Filed: April 23, 1981
Chemical Purge Compounds for Cleaning out Extruders
Owned by: Northern Petrochemical Company
Serial Number: 73307015
