Patent Yard Sign in
Canadian application, no grantCanada

Membranes useful in preparing prophylactic devices having pathogen resistant barriers, and flexible electrodes

CA 2001141 A1 · Owner: Maronian, Hovaness H. · Inventors: Maronian, Hovaness H.

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 disclosure relates to flexible membrane structures having a layer of a ductile metal thereon or sandwiched therein. The disclosure further relates to improved prophylactic devices having improved resistance to the transmission of very small viruses, such as AIDS or HERPES therethrough, which utilize the flexible membrane structures of the present invention, and the present invention furthermore relates to flexible electrodes which utilize the flexible membrane structures of the present invention. The present invention also relates to methods of making such membranes, electrodes and, prophylactic devices.

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 October 20, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 20, 2009.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 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.
FiledOctober 20, 1989
GrantedNo grant recorded
Term endedOctober 20, 2009
Patent numberCA 2001141 A1
Classification (IPC)C25D17/12 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedOct 20, 1989Term endedOct 20, 2009

Sources & verification

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