E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 37/06 (2006.01) C07C 303/00 (2006.01) C08G 61/00 (2006.01) C08G 61/10 (2006.01) C09K 8/524 (2006.01)
Patent
CA 2471413
Disclosed is the use of sulphonated alkyl phenol formaldehydes as stabilizers for asphaltenes in crude oil.
La présente invention concerne l'utilisation de résines de formaldéhydes d'alkylphénol sulfurés en tant qu'agents de stabilisation de l'asphaltène dans du pétrole brut.
Behler Ansgar
Breuer Wolfgang
Hof Matthias
Cognis Deutschland Gmbh & Co. Kg
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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