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Canadian application, no grantCanada

Method for growing crystals

CA 2344887 A1 · Owner: Detitta, George T. · Inventors: Wolfley, Jennifer; Collins, Robert J.; Detitta, George T.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A high throughput crystallization methodology using 1,536 well microassay plate technology is described. The methodology uses mother-daughter plate technology with robotic control to deliver oil, unique crystallization cocktails, and a protein solution to each of the wells. This provides 1,536 unique microbatch crystallization experiments using as little as 6 mg of protein in 600 microliters of solution. The time required to deliver a protein solution to a prepared experiment plate is less than 10 minutes. A plate imaging system with a capacity of 28 microassay plates is also described. The imaging system digitally records the results of the experiments for later comparison to database …

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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

  • Filed April 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 23, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 23, 2001
GrantedNo grant recorded
Term endedApril 23, 2021
Patent numberCA 2344887 A1
Classification (IPC)C30B28/00 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedApril 23, 2001Term endedApril 23, 2021

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.