High specific activity labeled substances
CA 1107644 A · Owner: Schall, Roy F. Jr. · Inventors: Schall, Roy F. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new diagnostic labeled spine tool is disclosed for use in immunoassay technique, e.g. determination of a component of the antigen-antibody reaction. The new tool is a labeledspine material product of the formula: (XVI), where R is an organic group labeled with a radioisotope fluores-, cent group, lysis-initiating compound enzyme, pr other suitable, marker material; T1 and T2 are any of -CH3 , , -CH2OH, -CH?SH, and -NH2;, X is selected from the group consisting of (CH2)m. where m is an integer from 0 to about 10 phenylene, hydroxyl-, substituted phenylene halogen-substituted phenylene, alkyl substituted phenylene or aminated phenylene groups; a is 0, 1 or 2;, b is 2-a, with the proviso …
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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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- 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.