1
T Michael Dennehey, Richard I Brown, Warren P Williamson: Peristaltic pump tube cassette for blood processing systems. Baxter International, Bradford R L Price, Joseph B Barrett, Daniel D Ryan, October 31, 1995: US05462416 (128 worldwide citation)

A cassette serves in association with one or more peristaltic pumps to centralize pumping, valving, and pressure sensing functions. The cassette includes a housing having first and second pump ports. A flexible tubing loop extends between the first and second pump ports outside the housing for engag ...


2
Carl W Aften, Robert K Gabel: Clay stabilizer. Nalco Chemical Company, Robert A Miller, Joseph B Barrett, Joan I Norek, August 30, 1994: US05342530 (117 worldwide citation)

A composition suitable as an additive in down-hole fluid for inhibiting clay swelling in a down-hole formation is comprised of an aqueous solution of a quaternary amine-based cationic polyelectrolyte and salt(s). The cation of the salt(s) may be a divalent salt cation, a choline cation, are certain ...


3
Richard I Brown, Sidney Smith, David E Cerny, John T Foley: Centrifugation pheresis system. Baxter International, Daniel D Ryan, Bradford R L Price, Joseph B Barrett, February 27, 1996: US05494578 (103 worldwide citation)

A system and method of separation of therapeutic components from blood. The system includes a dual member centrifuge and a disposable single use fluid transfer set. The set includes an elongated flexible separation chamber having an input port, a separated component output port and a residual fluid ...


4
Richard L Afflerbaugh, Richard L West, Timothy J Patno, Arthur S Chapman: Self loading peristaltic pump tube cassette. Baxter International, Bradford R L Price, Joseph B Barrett, Daniel D Ryan, August 29, 1995: US05445506 (95 worldwide citation)

A self-loading peristaltic pumping apparatus includes a pump race for receiving a tubing loop, a pump rotor carrying a roller, and a drive mechanism for rotating the rotor within the pump race. The apparatus also includes a roller locating mechanism that moves the pump roller between a retracted pos ...


5
Billy W Minshall, John E Nygard, Kwame Sintim Damoa, Richard Giesler, Archie Woodworth, Kailash Purohit: Method for sterilizing. Baxter International, Bradford R L Price, Joseph B Barrett, Andrew G Kolomayets, March 5, 1996: US05496302 (91 worldwide citation)

Methods are disclosed for sterilizing a selected portion of a product and for assembling a sterile product from two or more parts which can not be sterilized with the same form of sterilization. A sterile product produced by these methods is also disclosed. The method for sterilizing may include ste ...


6
James H Smith Jr: Papermaking process. Nalco Chemical Company, Joan I Norek, Robert A Miller, Joseph B Barrett, June 22, 1993: US05221435 (87 worldwide citation)

In a papermaking process a paper product is formed from a mineral filler containing cellulosic slurry. Retention performance is provided by the sequential addition of a cationic charge-biasing species, an anionic flocculant, and then a certain microparticle. A shear stage is interposed between the f ...


7
Jean M Payrat, Donald W Schoendorfer: Method and apparatus for collection of platelets. Baxter International, Andrew G Kolomayets, Joseph B Barrett, Bradford R L Price, March 25, 1997: US05614106 (87 worldwide citation)

Methods and apparatus are disclosed for separating and collecting blood fractions or components such as platelets. A first anticoagulant solution is added to whole blood, which is then separated into platelet-rich plasma and red cells. A second anticoagulant is added to the platelet rich plasma, whi ...


8
William C Lake, Richard Giesler, Dennis Van Epps, John R Chapman, Jeffrey A Martinson, Dale R Ellis, Frederick Aono, Daniel F Bischof: Continuous centrifugation process for the separation of biological components from heterogeneous cell populations. Baxter International, Andrew G Kolomayets, Joseph B Barrett, Bradford R L Price, June 24, 1997: US05641622 (86 worldwide citation)

A method combining the techniques of immunoaffinity separation and continuous flow centrifugal separation is provided for selective separation of a nucleated heterogeneous cell population from a heterogeneous cell mixture. The heterogeneous cell mixture is intimately contacted to promote binding the ...


9
Arthur S Chapman, T Michael Dennehey, Richard I Brown, Warren P Williamson: Peristaltic pump tube cassette with angle pump tube connectors. Baxter International, Bradford R L Price, Joseph B Barrett, Daniel D Ryan, June 27, 1995: US05427509 (82 worldwide citation)

A peristaltic pump tube holder has a body having first and second pump tube connectors extending outside of it. The pump tube connectors extend at an acute angle relative to a surface of the body to receive a flexible tubing loop and orient the tubing loop for engagement with an external peristaltic ...


10
Paul M Di Perna, Richard L West: Peristaltic pump module having jaws for gripping a peristaltic pump tube cassett. Baxter International, Bradford R L Price, Joseph B Barrett, Daniel D Ryan, January 2, 1996: US05480294 (76 worldwide citation)

A peristaltic pumping apparatus includes a peristaltic pump rotor and pump race. A pump tube cassette includes a body for supporting a flexible tubing loop in an erect, outwardly bowed position for placement within the pump race and for removal from the pump race. A surface juxtaposed the peristalti ...