OXFORD INSTRUMENTS AMERICA, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6008662 Apparatus and method for measuring conditions in fluidized bedsExpiredOct 31, 96Dec 28, 99[G01R]
5681986 Acoustic sensingExpiredMay 07, 96Oct 28, 97[G01N]
5675253 Partial least square regression techniques in obtaining measurements of one or more polymer properties with an on-line nmr systemExpiredJan 16, 96Oct 07, 97[G01V]
5650722 Using resin age factor to obtain measurements of improved accuracy of one or more polymer properties with an on-line NMR systemExpiredMay 07, 96Jul 22, 97[G01V]
5596275 NMR analysis of polypropylene in real timeExpiredApr 01, 96Jan 21, 97[G01R]
5530350 Magnetic resonance analysis in real time, industrial usage modeExpiredJan 10, 95Jun 25, 96[G01V]
5519319 Obtaining measurements of improved accuracy of one or more polymer properties with an on-line NMR systemExpiredJun 19, 95May 21, 96[G01V]
5448172 Triboelectric instrument with DC drift compensationExpiredMay 05, 93Sep 05, 95[G01N]
5422719 Multi-wave-length spectrofluorometerExpiredNov 12, 93Jun 06, 95[G01J, G01N]
5420508 Measurement of material composition and propertiesExpiredSep 24, 93May 30, 95[G01R]
5408181 NMR system for measuring polymer propertiesExpiredAug 30, 93Apr 18, 95[G01R]
5396806 On-line mass flow measurement in flowing two component systemsExpiredNov 12, 93Mar 14, 95[G01F]
5367260 Apparatus to obtain flow rates (melt index) in plastics via fixed frequency, pulsed NMRExpiredOct 15, 92Nov 22, 94[G01R]
5319308 Real time magnetic resonance analysis with non-linear regression meansExpiredOct 13, 92Jun 07, 94[G01R]
5302896 Magnetic resonance analysis in real time industrial usage modeExpiredNov 20, 91Apr 12, 94[G01R]
5302897 NMR analysis of polypropylene in real timeExpiredMay 19, 92Apr 12, 94[G01R]
5287061 On line triboelectric probe contamination detectorExpiredMay 19, 92Feb 15, 94[G01N]
5162103 Sample holder compactor for industrial NMR analysisExpiredJan 17, 92Nov 10, 92[B01L]
5095275 Long term particle monitoringExpiredJul 19, 90Mar 10, 92[G01N]
5054325 Flow measurement by collision characterizationExpiredFeb 05, 90Oct 08, 91[G01F]

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