Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Cleaning or foaming ability
Reexamination Certificate
2005-10-12
2009-02-17
Larkin, Daniel S (Department: 2856)
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Cleaning or foaming ability
C134S018000, C134S108000, C134S113000
Reexamination Certificate
active
07490508
ABSTRACT:
An apparatus for testing a cleaning procedure for a material. The apparatus includes a rack having a seat configured to retain a plurality of test coupons at a predetermined angle, an upper tray that distributes a solution along the lines of the rack, a lower tray for receiving solution passed over coupons disposed on the rack, a meter that gauges a flow rate of the solution, a thermostatic heater adapted to bring the solution to a predetermined temperature, and a variable speed pump that directs the solution from a reservoir to the upper tray.
REFERENCES:
patent: 4277290 (1981-07-01), Andrews et al.
patent: 5039349 (1991-08-01), Schoeppel
patent: 2004/0194810 (2004-10-01), Strothoff et al.
Canhoto, “A Novel Bench Scale Apparatus to Model and Develop Biopharmaceutical-Cleaning Procedures”,Journal of Validation Technology, 11(1): 16-24, 2004.
Canhoto, “A Semi-Quantitative Matrix for Selecting an Appropriate Cleaning Validation “Worst-Case” Challenge Soiling Solution”,Journal of Validation Technology, 11(1): 6-15, 2004.
Rousseau, “How to solve complex cleaning validation problems”,Journal of Validation Technology, 4(1): 22-30, 1997.
Azadan Rod J.
Barrett Kelli
Canhoto Alfredo J.
Chapman Jeff
Kreuze Michael
Choate Hall & Stewart LLP
Furman Margo H.
Larkin Daniel S
Wyeth Research Ireland Limited
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