Chemtrak, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 5201
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5416000 Analyte immunoassay in self-contained apparatusNov 21, 91May 16, 95[G01N]
5409664 Laminated assay deviceSep 28, 93Apr 25, 95[G01N]
5409780 Aniline analogs for hydrogen peroxide detectionFeb 13, 92Apr 25, 95[B32B]
5340539 Non-instrumented cholesterol assayOct 08, 92Aug 23, 94[G01N]
5264180 Mobile reagents in an analyte assay in a self-contained apparatusMar 09, 92Nov 23, 93[G01N]
5204063 Eluent release system and automated assay deviceDec 12, 91Apr 20, 93[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5741288 Re-armable single-user safety finger stick device having reset for multiple use by a single patientExpiredJun 27, 96Apr 21, 98[A61B]
5423989 Plasma forming deviceExpiredJan 21, 93Jun 13, 95[B01D]
5215886 HDL determination in whole bloodExpiredNov 21, 90Jun 01, 93[C12Q, G01N]
5155025 Hydrogen peroxide stabilization in assaysExpiredFeb 18, 92Oct 13, 92[C12Q]
5132086 Non-instrumented cholesterol assayExpiredFeb 06, 90Jul 21, 92[G01N]
4999287 Direct measuring assay strip and method of use thereofExpiredMay 19, 88Mar 12, 91[C12Q, G01N]
4987085 Blood filtering metering deviceExpiredMar 16, 89Jan 22, 91[G01N]
4973549 Quantitative diagnostic assay employing signal producing agent bound to support and measuring migration distance of detectable signalExpiredJun 22, 87Nov 27, 90[C12Q]
4959324 Sample pad assay initiation device and method of makingExpiredMay 18, 89Sep 25, 90[C12Q, G01N]

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