Dispensing – Processes of dispensing
Reexamination Certificate
2007-04-10
2007-04-10
Jacyna, J. Casimer (Department: 3754)
Dispensing
Processes of dispensing
C222S145500, C239S010000, C239S302000, C239S310000, C239S379000
Reexamination Certificate
active
10869646
ABSTRACT:
A method for introducing a polymerization catalyst into a coating formulation as the formulation flows from a reservoir includes the steps of:opening the first end of a sealed dispenser holding a predetermined volume of a polymerization catalyst solution and inserting the dispenser into the reservoir such that the open end of the dispenser is positioned near the outlet of the reservoir;with the dispenser so positioned, opening the second end of the dispenser to atmosphere.The head of the liquid coating formulation in the reservoir prevents flow of the catalyst solution from the dispenser until the liquid coating formulation flows from the reservoir into the flow channel. Thus, the catalyst solution mixes with the coating formulation in a way that a predetermined concentration of the catalyst solution is maintained in the coating formulation as the coating formulation flows from the reservoir.
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