C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/38 (2006.01) C02F 5/14 (2006.01) C09K 8/52 (2006.01) C09K 8/524 (2006.01) C10L 3/00 (2006.01) C11D 3/36 (2006.01) C23F 11/167 (2006.01) E21B 37/06 (2006.01)
Patent
CA 2490931
Phosphono or phosphino acids, in which at least one carboxyl group is esterified with a C6-25 alkyl, alkaryl or alkenyl group, are effective as oil- soluble scale inhibitors, and as wax or asphaltene inhibitors or dispersants. A method for making and the use of the aforesaid esters is also disclosed.
L'invention concerne des acides phosphono et phosphino, dans lesquels au moins un groupe carboxyle est estérifié par un alkyle C¿6-25?, un groupe alkaryle ou alcényle, qui sont efficaces en tant qu'antitatres solubles dans l'huile, et en tant qu'inhibiteurs ou dispersants de cire ou d'asphaltènes. L'invention concerne également un procédé de fabrication et d'utilisation desdits esters.
Davis Keith Philip
Jones Christopher Raymond
Woodward Gary
Davis Keith Philip
Jones Christopher Raymond
Rhodia Consumer Specialities Limited
Sim & Mcburney
Woodward Gary
LandOfFree
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