Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Reexamination Certificate
2007-10-23
2007-10-23
Edgar, Richard (Department: 3745)
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
For shaft sealing, packing, lubricating or bearing means
C415S231000
Reexamination Certificate
active
10516498
ABSTRACT:
A method of delivering a fluid containing at least one (meth)acrylic monomer by a pump in which a pump cavity and drive compartment are separated by a separator compartment filled with a barrier medium at elevated pressure and that is sealed with double-acting slide ring packings.
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Blechschmitt Michael
Diehl Volker
Markopoulos Dimitrios
Schroeder Juergen
BASF - Aktiengesellschaft
Edgar Richard
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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