Patent Yard Sign in
Expired Canadian patentCanada

Medicament with improved penetration of the tissue membrane

CA 1331020 C · Owner: Max Planck Gesellschaft Zur Forderung Der Wissenschaften E.V. · Inventors: Eibl, Hansjorg

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 medicament exhibiting improved penetration of cell membranes of organs includes an active material in combination with a glycerol compound of the general formula in which one of the residues R1 and R2 signifies an alkyl alkenyl, alkynyl or alkoxyl group with in each case, 3 to 7 C-atoms and the, other residue signifies an H-atom and conventional pharmaceutical, additives and dilution agents: within seconds after administration a strong increase of the active material in the organ is achieved.

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

  • Granted July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
  • 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 12, 1985
GrantedJuly 26, 1994
Term endedJuly 26, 2011
Patent numberCA 1331020 C
Classification (IPC)A61K9/10 +2 more

Timeline

Timeline From CIPO dates

198619891992199519982001200420072010Application filedJuly 12, 1985Patent grantedJuly 26, 1994Term endedJuly 26, 2011

Sources & verification

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