Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Mixture is exhaust from internal-combustion engine
Reexamination Certificate
2003-10-27
2008-11-11
Vanoy, Timothy C (Department: 1793)
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Mixture is exhaust from internal-combustion engine
C423S213200, C423S235000, C423S239100, C422S168000, C060S274000, C060S286000, C060S295000, C060S303000
Reexamination Certificate
active
07449162
ABSTRACT:
A method and a device for treatment of the exhaust of an internal combustion engine in which a fluid is used as an auxiliary agent for the treatment; a partial chemical conversion of the auxiliary agent is at least occasionally stimulated in order to produce a substance that reduces the freezing point of the fluid when the temperature of the fluid falls below a critical value.
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The English abstract of DE 199 35 920 A1 published Mar. 15, 2001.
Bieder Gudrun
Buerglin Markus
Schaller Johannes
Ullmann Ilona
Greigg Ronald E.
Robert & Bosch GmbH
Vanoy Timothy C
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