Patent Yard Sign in
Expired Canadian patentCanada

Prediction of the properties of board by using a spectroscopic method combined with multivariate calibration

CA 2226727 C · Owner: Hedqvist, Mona · Inventors: Engstrom, Bjorn; Hedqvist, Mona

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A method for determination of parameters of wood panels which comprises , analyzing the raw wood material/panels at a moisture content < 10 % spectrometrically, and comparing spectral data with reference data from reference material/panels calibrated to known parameters of panels produced from said reference material or of said reference panel by multivariate analysis. Control of process variables influencing parameters of the panels which comprises analyzing the material/panels linking spectral data into a , combination with desired parameters and comparing said combination with , reference combinations consisting of reference data from reference material/panels linked with known …

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

  • Filed July 2, 1996 and granted October 1, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 2, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 2, 1996
GrantedOctober 1, 2002
Term endedJuly 2, 2016
Patent numberCA 2226727 C
Classification (IPC)G01N21/25 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedJuly 2, 1996Patent grantedOct 1, 2002Term endedJuly 2, 2016

Sources & verification

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