Immunoassay for estriol-3-sulfate
CA 1285866 C · Owner: Nihon Medi-Physics Co. Ltd. · Inventors: Tanaka, Touichi; Kubodera, Akiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a process for producing an antibody having a specificity to estriol-3-sulfate. The process comprises administering a 6-substituted-estriol-3-sulfate protein conjugate of the formula:, (I), wherein A is =N-O- or -O-COn is an integer of 1 to 4 and, -NH-P is the residue of a protein excluding a hydrogen atom in the amino form therefrom, parenterally to a living body of a vertebrate animal so as to produce the antibody in the living body and collecting a body fluid comprising the antibody from the living body. The invention also relates to the conjugate itself and its use in immunoassay for estriol-3-sulfate.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.