1
David A Gough: Membrane and electrode structure for implantable sensor. Regents of the University of California, Foley & Lardner, April 13, 2004: US06721587 (343 worldwide citation)

The invention is the design of a biological measuring device for the determination of the concentration of biomolecules (e.g. glucose) in an environment which is designed for implantation into an individual or for use in the context of an external apparatus. The device contains a composite membrane ...


2
Keith Wayne Goossen: Micromechanical optical modulator having a reduced-mass composite membrane. Lucent Technologies, January 20, 1998: US05710656 (287 worldwide citation)

A method and apparatus for a micromechanical modulator having a reduced-mass multilayer membrane is disclosed. The modulator includes a movable composite membrane suspended over a subtrate. The composite membrane consists of an overlayer and an underlayer. The overlayer is characterized by a thickne ...


3
David D Cunningham: Composite membrane. Abbott Laboratories, Robert E Wexler, July 5, 1994: US05326449 (260 worldwide citation)

A sensor device for measuring the concentration of an analyte in solution is described. The device includes a composite membrane which incorporates a porous membrane containing an immobilized biologically-active protein and at least one other membrane. The other membrane may optionally be a blocking ...


4
John E Cadotte: Interfacially synthesized reverse osmosis membrane. FilmTec Corporation, Merchant Gould Smith Edell Welter & Schmidt, July 7, 1981: US04277344 (243 worldwide citation)

Good salt rejection and flux characteristics can be obtained with reverse osmosis membranes made from crosslinked, interfacially polymerized aromatic polyamides, particularly poly(arylenepolyamine aromaticpolycarboxylamides) such as poly(phenylenediamine trimesamide). The aromatic polyamides are pre ...


5
Antonios G Mikos, Georgios Sarakinos, Joseph P Vacanti, Robert S Langer, Linda G Cima: Biocompatible polymer membranes and methods of preparation of three dimensional membrane structures. Massachusetts Institute of Technology, Children s Medical Center Corporation, Arnall Golden & Gregory, May 7, 1996: US05514378 (203 worldwide citation)

Biocompatible porous polymer membranes are prepared by dispersing salt particles in a biocompatible polymer solution. The solvent in which the polymer is dissolved is evaporated to produce a polymer/salt composite membrane. The polymer can then be heated and cooled at a predetermined constant rate t ...


6
James Kane: Optical probe for measuring pH and oxygen in blood and employing a composite membrane. Cordis Corporation, Tarolli Sundheim & Covell, November 22, 1988: US04785814 (172 worldwide citation)

An optical probe is presented for use in measuring pH and oxygen content in blood in a blood vessel within a living body. An elongated flexible optical fiber means is provided which has a proximal end and a distal end. The distal end is adapted to be inserted into a blood vessel. A membrane is secur ...


7
Bamdad Bahar, Alex R Hobson, Jeffrey A Kolde, David Zuckerbrod: Ultra-thin integral composite membrane. W L Gore & Associates, Victor M Genco Jr Esq, August 20, 1996: US05547551 (167 worldwide citation)

An ultra-thin composite membrane is provided which includes a base material and an ion exchange resin. The base material is a membrane which is defined by a thickness of less than 1 mil (0.025 mm) and a microstructure characterized by nodes interconnected by fibrils, or a microstructure characterize ...


8
Jacob Shorr: Composite membrane and process for making same. Amicon Corporation, R W Furlong, January 19, 1971: US3556305 (135 worldwide citation)

A novel membrane suitable for use in reverse osmosis and related separation processes, said membrane comprising (a) an anisotropic membrane comprising a thin microporous barrier skin and a thicker macroporous support layer, (b) a very thin layer of a film forming adhesive polymer over the barrier sk ...


9
David J Edlund, David D Newbold, Chester B Frost: Composite hydrogen separation element and module. Bend Research, Chernoff Vilhauer McClung & Stenzel, July 8, 1997: US05645626 (114 worldwide citation)

There are disclosed improvements in multicomponent composite metal membranes useful for the separation of hydrogen, the improvements comprising the provision of at least one common-axis hole through all components of the composite membrane and the provision of a gas-tight seal around the periphery o ...


10
Bamdad Bahar, Alex R Hobson, Jeffrey A Kolde: Integral composite membrane. W L Gore & Associates, Victor M Genco Jr, February 4, 1997: US05599614 (112 worldwide citation)

A composite membrane is provided which includes a base material and an ion exchange resin. The base material has a microstructure characterized by nodes interconnected by fibrils, or a microstructure characterized by fibrils with no nodes present. The ion exchange resin substantially impregnates the ...