MICROBIOLOGICAL RESEARCH AUTHORITY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0215,469 Multicomponent meningococcal vaccineAbandonedDec 17, 02Nov 20, 03[A61K, C07K]
2003/0082,211 Proteins for use as carriers in conjugate vaccinesAbandonedSep 12, 02May 01, 03[A61K, C08B, C07K]
5695961 Bi-functional expression systemExpiredSep 08, 95Dec 09, 97[C07H, C12P, C12N]
5624841 Process for the production of thermophilic microorganisms in high yieldExpiredMay 30, 95Apr 29, 97[C12N]
5484537 Particle manipulation in an ultrasonic fieldExpiredNov 16, 92Jan 16, 96[B01D]
5470545 Corrin mediated degradation of organic nitrogen compoundsExpiredNov 05, 91Nov 28, 95[A61L]
5460948 Assay of salicylates or reduced pyridine nucleotidesExpiredAug 19, 93Oct 24, 95[C12Q]
5383349 DensitometerExpiredFeb 18, 92Jan 24, 95[G01N]
5345032 Use of metal chelate complexes in dehalogenationExpiredApr 19, 93Sep 06, 94[C07C, A62D]
5312537 Electrochemical cell, reference electrode and electrochemical methodExpiredMar 19, 92May 17, 94[G01N]
5310670 Method for the purification of Erwinia L-asparaginaseExpiredJun 25, 93May 10, 94[C12N]
5227312 Monitoring particle aggregation by the use of a meniscusExpiredMar 18, 91Jul 13, 93[G01N]
4957910 Method and composition for the treatment and prevention of viral infectionsExpiredMar 08, 88Sep 18, 90[A61K]
4430433 Production of aryl acylamidasesExpiredDec 01, 81Feb 07, 84[C12R, C12N]
4414327 Method for the estimation of N-acylated primary aromatic aminesExpiredDec 01, 81Nov 08, 83[C12R, C12Q]
4248862 Immunogenic cell envelope preparationsExpiredFeb 16, 79Feb 03, 81[A61K]
4247452 Purification of pertussis haemagglutininsExpiredFeb 26, 79Jan 27, 81[A61K, C07G]

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