Latex, biologically active latex conjugates and a process for their preparation
CA 1206656 A · Owner: Behring Diagnostics Gmbh · Inventors: Pauly, Hans-Erwin; Kapmeyer, Wolfgang; Seitz, Ulrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A latex is described which is composed of a core, of a known latex and a shell of a copolymer of one or more ethylenic unsaturated monomers and a monomer of the formula I, I, wherein n denotes 1 - 6; R1 denotes H;, R2 denotes H or CH3; and R3 and R4 denote C2-C6-alkyl, aryl or another group which ensures that the compounds of the formula I have sufficient insolubility in water, and a process for the preparation of a latex of this type. This latex is used for the preparation of conjugates with biologically active substances. These conjugates are particularly suitable for serological or immunological assay procedures.
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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 June 24, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 2003.
- 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.