Technicon Instruments Corporation

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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 2191
 
 
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 142
 
 
 
C12Q MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5464749 Immunoassay of free substances in biological fluidsJul 22, 91Nov 07, 95[C12Q, G01N]
5201232 Integrated sampler for closed and open sample containersApr 04, 91Apr 13, 93[G01N]
RE30979 Method and apparatus for casting metalsMay 05, 80Jun 22, 82[B22D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5518928 Leukocyte differentiation methodExpiredJan 28, 87May 21, 96[G01N]
5246752 Method and apparatus for drawing thermoplastic tubingExpiredFeb 21, 91Sep 21, 93[F16L, A61M, B29D]
5213764 Metering device for slide analysis systemExpiredMay 15, 91May 25, 93[B01L]
5192504 Flushable low carryover containerExpiredJul 28, 89Mar 09, 93[G01N]
5174872 Metal-free buffer for ion selective electrode-based assaysExpiredJun 08, 90Dec 29, 92[G01N]
5149658 Method for the separation and/or formation of immiscible liquid streamsExpiredDec 14, 90Sep 22, 92[G01N]
5122453 Method for discriminating surface stained lymphocytesExpiredMay 03, 88Jun 16, 92[G01N]
5106758 Analytical test device and the use thereofExpiredDec 12, 88Apr 21, 92[G01N]
5075079 Slide analysis systemExpiredMay 21, 90Dec 24, 91[G01N]
5075556 Acridine orange derivatives and their use in the quantitation of reticulocytes in whole bloodExpiredDec 01, 89Dec 24, 91[C07D, G01N]
5073501 Method for determining the concentration of cations in a sampleExpiredJan 30, 89Dec 17, 91[G01N]
5068180 Substrates for .beta.-galactosidaseExpiredNov 08, 89Nov 26, 91[C07H, C12Q, G07G, G01N]
5064542 Method for filtering a whole blood sample using an in-line fluid filter for an automated analyzerExpiredMar 08, 90Nov 12, 91[B01D]
5064955 Large scale, non-chromatographic purification of chromogenic cryptahemispherands (1.1) and (2.1)ExpiredJun 04, 90Nov 12, 91[C07D]
5061450 Isolation fluid control device and water cupExpiredJun 05, 87Oct 29, 91[B01L]
5053497 Phospholipid conjugates and their preparationExpiredJul 21, 88Oct 01, 91[C07H, C07F, G01N]
5045472 Reagent mixture and composition for treating red blood cells to effect spheringExpiredJun 14, 90Sep 03, 91[G01N]
5045473 Apparatus and method for the separation and/or formation of immicible liquid streamsExpiredJul 14, 87Sep 03, 91[G01N]
5045475 Reagent for determining cationsExpiredJun 01, 88Sep 03, 91[G01N]
5019999 Immunoanalysis method for discriminating between antigen excess and antibody excess conditionsExpiredSep 30, 88May 28, 91[G06F, G01N]

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