DE1618914
ENGEL, WILLEM FREDERIK, KRIJGER, PIETER, HELDEN, ROBERT VAN, ALKEMA, HENK JOHAN
Year of Publication 06.02.1975
Get full text
Year of Publication 06.02.1975
Patent
DE1618914
ENGEL, WILLEM FREDERIK, KRIJGER, PIETER, HELDEN, ROBERT VAN, ALKEMA, HENK JOHAN
Year of Publication 20.06.1974
Get full text
Year of Publication 20.06.1974
Patent
GAS TREATMENT
DAVID DEBROY ROBERTS, HENK JOHAN ALKEMA, ROGER LINDSAY, MICHAEL ALAN VOISEY
Year of Publication 29.11.1973
Get full text
Year of Publication 29.11.1973
Patent
Disproportionation of Alkenes
ROBERT VAN HELDEN, HENK JOHAN ALKEMA, WILLEM FREDERIK ENGEL, PIETER KRIJGER
Year of Publication 17.09.1969
Get full text
Year of Publication 17.09.1969
Patent
PROCESS FOR THE PREPARATION OF LUBRICATING OIL
EMMANUEL EMILE ALFRED NEEL MICHEL GAUCHER, HENK JOHAN ALKEMA, CLAUDE JEAN CLEMENT, MICHEL JEAN HOUTE, HERMAN WOUTER KOUWENHOVEN
Year of Publication 31.12.1974
Get full text
Year of Publication 31.12.1974
Patent
High viscosity index lube oils
JEAN HOUTE,MICHEL, GAUCHER,MICHEL, JEAN CLEMENT,CLAUDE, JOHAN ALKEMA,HENK, ALFRED NEEL,EMMANUEL EMILE, WOUTER KOUWENHOVEN,HERMAN
Year of Publication 23.09.1971
Get full text
Year of Publication 23.09.1971
Patent
Verfahren zur Disproportionierung von Alkenen
FREDERIK ENGEL,WILLEM, VAN HELDEN,ROBERT, JOHAN ALKEMA,HENK, KRIJGER,PIETER
Year of Publication 18.03.1971
Get full text
Year of Publication 18.03.1971
Patent