Patent Yard Sign in
Expired Canadian patentCanada

Gel composition in gels for submerged gel electrophoresis

CA 2081983 C · Owner: Kozulic, Branko · Inventors: Kozulic, Branko

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

The method of electrophoresis uses for separation of charged species their different mobilities in an electric field. The process is usually carried out by forcing the molecules to migrate through an aqueous gel. The gels are run in essentially two types of electrophoretic units: vertical and horizontal ones. It was found that in the standard submerged electrophoresis units the resolution of DNA in the poly(NAT) gels was never so good as in the vertical system. It was observed that by looking at the gel from above under an angle declined from the vertical the viewed DNA bands in the , gel were much sharper than they were pictured on the photograph taken by a camera positioned more or …

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 February 21, 1992 and granted July 15, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 21, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 21, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 21, 1992
GrantedJuly 15, 2003
Term endedFebruary 21, 2012
Patent numberCA 2081983 C
Classification (IPC)G01N27/26 +1 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedFeb 21, 1992Patent grantedJuly 15, 2003Term endedFeb 21, 2012

Sources & verification

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