Immunoassays utilizing covalent conjugates of polymerized enzyme and antibody
CA 1254135 A · Owner: E. I. Du Pont De Nemours And Company · Inventors: Ishikawa, Eiji; Freytag, J. William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Immunoassays Utilizing Covalent Conjugates of Polymerized Enzyme and Antibody, ABSTRACT An enzyme is cross-linked to form a polymerized enzyme which is covalently coupled to an antibody or antibody fragment. The use of the antibody-polymeric enzyme conjugate in immunoassays provides enhanced signal generation and, therefore, short assay time and high sensitivity.
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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 May 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 2006.
- 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.