Mineral oils: processes and products – Chemical conversion of hydrocarbons – With prevention or removal of deleterious carbon...
Reexamination Certificate
2007-10-09
2007-10-09
Caldarola, Glenn (Department: 1764)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With prevention or removal of deleterious carbon...
C208S156000, C208S047000
Reexamination Certificate
active
10489862
ABSTRACT:
Method for preventing fouling and corrosion caused by ammonium chloride and ammonium sulphates, characterised in that it comprises injecting as an additive a choline or a derivative thereof.
REFERENCES:
patent: 2990431 (1961-06-01), Cabbage
patent: 4600518 (1986-07-01), Ries et al.
patent: 5256276 (1993-10-01), Weaver
patent: 5965785 (1999-10-01), Murphy et al.
patent: 6103100 (2000-08-01), Hart
Bacon & Thomas PLLC
Caldarola Glenn
Douglas John
Kurita Europe GmbH
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