U.S. federal trademark · Serial No. 86324879 · Reg. No. 011905981
service in the nature of ethylene dimerization for the production of a C4 fraction rich in normal butene
[ Technical consultancy in the field of catalytic de-waxing; ] Engineering, technical project studies, [ industrial research and development, ] engineering work and studies, namely, surveys, [ evaluations, appraisals, research and drafting of reports ] all relating to the production of a C4 fraction
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