Pretreatment method and composition
CA 1262228 C · Owner: Barrett, Sharon S. · Inventors: Whiteley, Gordon; Barrett, Sharon S.; Pritchard, Cynthia G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method disclosed herein allows for the pretreatment of organisms, suspected of being a material of interest, prior to performing an assay for a determination thereof. The method comprises contacting the organism in an aqueous medium with a composition comprising (1) an enzyme capable of hydrolyzing bonds between N-acetylglucosamine and N-acetylmuramic acid and (2) a chelating agent, in amounts and under conditions sufficient to produce a homogeneous suspension of the organism of interest in the aqueous medium but insufficient to produce lysed cells or spheroplasts. The method and composition are particularly applicable to the pretreatment of cells of gram negative bacteria such as for …
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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 October 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 10, 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.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.