Todd W. Johnson | Researchain

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Archive | 1994

Method of isolating and purifying a biomacromolecule

Steven M. Heilmann; Gary J. Drtina; Philip Eitzman; Louis C. Haddad; Frederick W. Hyde; Todd W. Johnson; Jerald K. Rassmussen; Michael G. Williams

Archive | 1988

Flexible filter element employing filtering sheets formed with bypass openings

Todd W. Johnson

Archive | 1987

Flexible filter bag and method of fabrication

Todd W. Johnson; Corazon C. Brizuela

Archive | 1995

Cartridge filters with insoluble enzyme particulates contained thereon

Steven M. Heilmann; Gary J. Drtina; Philip Eitzman; Louis C. Haddad; Frederick W. Hyde; Todd W. Johnson

Archive | 1997

Self-sealing liquid filter

Todd W. Johnson; David G. Fabio

Journal of Molecular Catalysis B-enzymatic | 2007

Cartridge filter systems containing immobilized enzymes: Part I. Concept and features

Steven M. Heilmann; Gary J. Drtina; Phillip D. Eitzman; Louis C. Haddad; Patrick L. Coleman; Fredrick W. Hyde; Todd W. Johnson; Jerald K. Rasmussen; Howell K. Smith; Jie J. Liu; Robert T. Fitzsimons; Michael G. Williams; Stephanie J. Moeller; Masayuki Nakamura; Kelly J. Gibbens; Tara L. Buhl

Archive | 1994