Chromogenic enzyme substrates
CA 1081212 A · Owner: Aktiebolaget Kabi · Inventors: Claeson, Karl G.; Gustavsson, Stig I.; Aurell, Leif E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to novel tripeptide deerivatives of the basic formula, H - A1 - A2 - A3 - NH - R wherein each A group is an amino acid and -NH-R is a group which when split, off under enzyme action, can be determined quantitatively for example a, nitro phenylamino group. These compounds find use as chromogenic substrates for the estimation of enzymes of the type serine proteases (EC 3.4.21).
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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 July 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 1997.
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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.