(Based on 44(e)) Rejuvenation and retreatment of hydrotreatment catalysts by means of chemical and thermal treatment; Rejuvenation and retreatment of hydrotreatment catalysts by means of chemical and thermal treatment for hydroprocessing and hydrocracking; (Based on Use in Commerce) Rejuvenation and retreatment of hydrotreatment catalysts by means of chemical and thermal treatment

'44':3 'base':1,35 'catalyst':10,23,45 'chemic':14,27,49 'commerc':39 'e':4 'hydrocrack':34 'hydroprocess':32 'hydrotreat':9,22,44 'mean':12,25,47 'rejuven':5,18,40 'retreat':7,20,42 'thermal':16,29,51 'treatment':17,30,52 'use':37

(Based on 44(e)) [ Industrial research and development in the field of reprocessing of catalysts for hydroprocessing; ] Conducting engineering studies, namely, research and preparation of reports in the field of reprocessing of catalysts for hydroprocessing

'44':3 'base':1 'catalyst':15,33 'conduct':18 'develop':8 'e':4 'engin':19 'field':11,29 'hydroprocess':17,35 'industri':5 'name':21 'prepar':24 'report':26 'reprocess':13,31 'research':6,22 'studi':20

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