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Inventor:
Goldstein; Arthur L.
Address:
Weston, MA
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
8212653 Protected zone system July 3, 2012
A system is provided for establishing a protected zone and monitoring interactions therewith. The system includes a protected zone designator and a wearable device. The protected zone designator establishes the protected zone. The protected zone designator is configured for placement
6126805 Electrodialysis including filled cell electrodialysis (electrodeionization) October 3, 2000
Improved electrodialysis (ED) stacks are disclosed having one or more components selected from the group:a) cation exchange membranes having ion exchange groups predominantly sulfonic acid groups and a minor amount of weakly acidic and/or weakly basic groups or membranes which are select
6117297 Electrodialysis apparatus September 12, 2000
An integral, monolithic frame-membrane is disclosed, such frame-membrane having a semi-permeable membrane portion and integral therewith a frame portion, the frame portion having one or more cavities, each cavity juxtaposed to the membrane portion, each cavity having at least one fluid
5891328 Membrane-frame for processes including electrodialysis April 6, 1999
An integral, monolithic frame-membrane is disclosed, such frame-membrane having a semi-permeable membrane portion and integral therewith a frame portion, the frame portion having one or more cavities, each cavity juxtaposed to the membrane portion, each cavity having at least one fluid
5814197 Electrodialysis including filled cell electrodialysis (electrodeionization) September 29, 1998
Improved electrodialysis (ED) stacks are disclosed having one or more components selected from the group:a) cation exchange membranes having ion exchange groups predominantly sulfonic acid groups and a minor amount of weakly acidic and/or weakly basic groups or membranes which are select
5702582 Multi-port multi-stream valve apparatus December 30, 1997
Apparatus for selecting connections from each of two or more inlet streams, at least two of which flow simultaneously, to one or more exit streams of a group of at least two. The apparatus has at least one rotatable first body, a first surface of which is adjacent to a first surface of a
5679229 Electrodialysis including filled cell electrodialysis (electrodeionization) October 21, 1997
Improved electrodialysis (ED) stacks are disclosed having one or more components selected from the group:a) cation exchange membranes having ion exchange groups predominantly sulfonic acid groups and a minor amount of weakly acidic and/or weakly basic groups or membranes which are select
5503729 Electrodialysis including filled cell electrodialysis (electrodeionization) April 2, 1996
Electrodialysis ("ED") stacks are disclosed having components selected from the group:a) cation exchange ("CX") membranes and/or CX granules having in at least a surface a predominant amount of sulfonate exchange groups and a minor amount of weakly ionized exchange groups;b) anion exchan
4707240 Method and apparatus for improving the life of an electrode November 17, 1987
Method and apparatus are disclosed for improving the anodic life of an electrode in an electrodialysis stack which electrode comprises at least in part an area which is anodic during at least part of the duty time of said stack, which stack also comprises an electrode compartment (chambe
4661224 Process and apparatus for electrically desorbing components selectively sorbed on an electrolyti April 28, 1987
Processes and apparatuses are described for recovering components dispersed in an aqueous solution comprising contacting said solution as a first solution with an electrically conducting barrier, diaphragm or membrane which has a high affinity for at least one of said components whereby
4643814 Structure selective fibrous sorbents and method and apparatus for using the same February 17, 1987
Processes and apparatuses are described for recovering components dispersed in an aqueous solution, the process comprising contacting said solution as a first solution with a body of filaments, fibers, hair-like objects or other thread-like objects which have a high affinity for at least
4608140 Electrodialysis apparatus and process August 26, 1986
Apparatuses and processes are described for transferring electrolytes from one electrolytically conducting solution to another, said apparatus comprising a pair of spaced electrodes; at least one pair of spaced electrolytically conducting barriers between said electrodes, one of said
4594135 Process and apparatus for electrically desorbing components selectively sorbed on granules June 10, 1986
Process and apparatus are described for recovering components sorbed on a body of wet granules that are highly selective for the sorption of said components. The process comprises passing a direct electric current through said body of granules and an ion-permeable substantially hydra
4584075 Process and apparatus for electrically desorbing components selectively sorbed on an electrolyti April 22, 1986
Processes and apparatuses are described for recovering components dispersed in an aqueous solution comprising contacting said solution as a first solution with an electrically conducting barrier, diaphragm or membrane which has a high affinity for at least one of said components whereby
4216073 Ion exchange resin containing activated carbon August 5, 1980
This invention is directed to electrodialysis, electrochemical cell and membrane cell equipment particularly to components comprising the ion exchange membranes. These membranes are fabricated with the polymer containing occluded particles of activated carbon. The activated carbon le
4202772 Fluid distribution cell module May 13, 1980
Rotationally symmetric fluid distribution cell modules combinable to form stacks for the processing of solutions are disclosed. Each module comprises at least one membrane and/or diaphragm and/or electrode and a plate, the latter having a central aperture and a plurality of fluid dis










 
 
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