The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 2007
Filed:
Nov. 10, 2005
Robert Ivan Mcconnell, Ballymena, GB;
Stephen Peter Fitzgerald, Crumlin, GB;
El Ouard Benchikh, Antrim, GB;
Andrew Philip Lowry, Belfast, GB;
Robert Ivan McConnell, Ballymena, GB;
Stephen Peter Fitzgerald, Crumlin, GB;
El Ouard Benchikh, Antrim, GB;
Andrew Philip Lowry, Belfast, GB;
Randox Laboratories, Crumlin, GB;
Abstract
The present invention relates to a method for preparing haptens of formulae I and II that are useful in the preparation of immunogens, antibodies and conjugates, for use in competitive immunoassays for the detection of ractopamine, isoxsuprine and ritodrine. The haptens are prepared by reacting a phenylethanolamine derivative of formula D with a phenylalkylcarbonyl derivative of formula E: in which, in formula I, Zis a crosslinker and Zis H and, in formula II, Zis H and Zis a crosslinker.