Wieder; Irwin

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4965211 Fluorometric analysis methodExpiredNov 09, 83Oct 23, 90[C12Q, C07C, G01N]
4432907 Diamine acid fluorescent chelatesExpiredMay 05, 81Feb 21, 84[C12Q, C07C, G01N]
4352751 Species-linked diamine triacetic acids and their chelatesExpiredSep 10, 79Oct 05, 82[C12Q, C07C, G01N]
4341957 Fluorescent antibody composition for immunofluorometric assayExpiredNov 26, 75Jul 27, 82[G01N, G09K]
4189687 Compact laser constructionExpiredOct 25, 77Feb 19, 80[H01S]
4187475 Continuously variable laser output couplerExpiredJan 05, 78Feb 05, 80[H01S]

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