Ventrex Laboratories, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4981785 Apparatus and method for performing immunoassaysExpiredJun 06, 88Jan 01, 91[C12Q, G01N]
4454226 Enzymatic immunoassayExpiredMar 17, 82Jun 12, 84[C12Q, C12N, G01N]
4425320 Method and apparatus for carrying out solid phase in vitro diagnostic assaysExpiredOct 01, 81Jan 10, 84[G01N, G01T, B65D]
4378344 Method and apparatus for performing multiple, simultaneous in vitro diagnostic tests using a solid phase systemExpiredSep 28, 79Mar 29, 83[G01N]
4335041 High sensitivity assays for angiotensin converting enzymeExpiredSep 26, 80Jun 15, 82[C07C]
4305924 Method and apparatus for performing in vitro clinical diagnostic tests using a solid phase assay systemExpiredAug 08, 79Dec 15, 81[G01N, G01T, B65D]
4276378 High sensitivity assays for angiotensin converting enzymeExpiredNov 25, 77Jun 30, 81[C12Q]
4260682 High sensitivity assays for angiotensin converting enzymeExpiredApr 04, 79Apr 07, 81[C12Q]
4256833 Enzyme immunoassay for allergic disordersExpiredJan 08, 79Mar 17, 81[C12Q, C12N]
4251628 Substrates for angiotensin converting enzymeExpiredMar 14, 78Feb 17, 81[C12Q]
4244694 Reactor/separator device for use in automated solid phase immunoassayExpiredMar 31, 78Jan 13, 81[G01N]
4243651 Allergy testExpiredApr 13, 78Jan 06, 81[G01N]
4225575 Method and apparatus for performing in vitro clinical diagnostic tests using a solid phase assay systemExpiredMay 15, 78Sep 30, 80[A61K, G01N, B01J]
4197287 Method and apparatus for performing in nitro clinical diagnostic tests using a solid phase assay system having special utility for use with automatic pipetting equipmentExpiredJun 10, 77Apr 08, 80[A61K, G01N]

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