Patent Yard Sign in
Expired Canadian patentCanada

Amorphous alloys with high crystallization temperatures and high hardness values

CA 1048815 A · Owner: Allied Chemical Corporation · Inventors: Cline, Carl F.; Tanner, Lee E.; Ray, Ranjan

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

INVENTORS: RANJAN RAY, LEE E. TANNER and CARL F. CLINE INVENTION: AMORPHOUS ALLOYS WITH HIGH CRYSTALLIZATION TEMPERATURES AND HIGH HARDNESS VALUES, ABSTRACT OF THE DISCLOSURE Amorphous metal-matalloid alloys having substantial amounts of one or more of the elements of Mo W, Ta and Nb evi-, dence both high thermal stability with crystallization tempera-, tures ranging from about 650°C to 975°C and high hardness, with, values ranging from about 800 to 1400 DPH (diamond pyramid hardness). The alloys are useful as electrodes in high temperature electrolytic cells, reinforcement fibers in composite structural materials and other applications requiring heat resistant properties high temperatures.

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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedFebruary 20, 1979
Term endedFebruary 20, 1996
Patent numberCA 1048815 A
Classification (IPC)C22C32/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedFeb 20, 1979Term endedFeb 20, 1996

Sources & verification

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