Orthopaedic splinting material
CA 1340375 C · Owner: Smith And Nephew Associated Companies Plc · Inventors: Milner, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compound of the formula (I) is disclosed: R1-(OCH2CH2)n-O-CO-(NH)m-R2 (I), wherein R1 is an alkyl group of 1 to 14 carbon atoms a phenyl group, a, phenyl group substituted by an alkyl group of 1 to 12 carbon atoms or an alkyl group of 1 to 4 carbon atoms substituted by a phenyl group; R2 is an alkyl group of 1 to 14 carbon atoms, a phenyl group a phenyl group substituted by, an alkyl group of 1 to 12 carbon atoms or an alkyl group of 1 to 4 carbon atoms substituted by a phenyl group; n is 6 to 100; and m is 0 or 1. This compound is useful in the manufacture of orthopaedic splinting materials.
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 February 2, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2016.
- 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.