Use of heterocyclic compounds for iontophoretic treatment or for the production of pharmaceuticals for iontophoretic treatment of malignant tumors as well as lubricants or partingcompounds, anesthetics and prophylactics to be used during this treatment
CA 1331567 C · Owner: Thiel, Karl Heinz · Inventors: Thiel, Karl Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
What is disclosed is the use of dissociable heterocycic compounds from the group including aminoacridine, aminocholine and aminopyridine as well as their derivatives substituted on the basic striucture which are present in, tautomeric diimine form for the selective iontophoretic treatment or for production of a pharmaceutical for iontophoretic treatment and relapse prophylaxis of bladder cancer as well as for iontophoretic treatment of malignant skin and mucus membrane tumors. It is further disclosed and proven that the antineoplastic effect observed with use of the above compositions in animal experiments and in clinical treatment is selective and healthy tissue is not damaged. The common …
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 August 23, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 23, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.