C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 291/04 (2006.01) C11D 3/26 (2006.01) C11D 3/386 (2006.01) C11D 17/08 (2006.01)
Patent
CA 2348920
Mono-long chain amine oxide surfactants can be prepared containing active levels of greater than about 30 %, by weight of amine, and with low nitrite and nitrosamine levels and low levels of residual hydrogen peroxide when oxidized under controlled temperature conditions in the presence of bicarbonate material present at levels less than about 2.5 %, by weight of amine, and without the presence of phase-modifying solvents.
On peut préparer des tensioactifs de mono-oxyde aminé à longue chaîne contenant des niveaux actifs supérieurs à 30 % en poids d'amine et des teneurs limitées en nitrite, nitrosamine et peroxyde d'hydrogène résiduel quand on les oxyde dans des conditions de température sous contrôle en présence d'un matériau de bicarbonate présent à des niveaux inférieurs à 2,5 % en poids d'amine et en l'absence de solvants de modification de phase.
Dimock Stratton Llp
The Procter & Gamble Company
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