Carrier for a biologically active component for immunoassay or enzymatic reaction
CA 1269092 C · Owner: Toyo Soda Manufacturing Co. Ltd. · Inventors: Inoue, Masuo; Ishida, Hiroshi; Higo, Yuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A carrier for a biologically active component for immunoassay or enzymatic reaction, which comprises: a) a thermoplastic resin bead having an average diameter of from 0.05 to 20 mm, b) from 1 to 25% by weight based on the bead, of a, magnetically responsive powder bonded to the bead and, c) a polymer coated thereon in a thickness of from 2 to 30 µm, said polymer having a number average molecular weight of from 200 to 10,000 and having functional groups capable of binding, or being activated to bind the, biologically active component.
Read the whole patent
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 May 15, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 2007.
- 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.