Patent Yard Sign in
Expired Canadian patentCanada

Master alloys for beta 21s titanium-based alloys and method of making same

CA 2127121 C · Owner: Reading Alloys, Inc. · Inventors: Perfect, Frederick 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

Master alloys and methods of producing them are provided herein. An intermetallic compound, for example Al3Cb is first prepared via thermite , processing is, then size reduced, and is then mixed with other components in amounts yielding a, mixture in the desired proportion for the master alloy. The mixture is compacted, and, is then heated to produce the master alloy by fusion. The master alloy produced, comprises a predominant amount of Mo and total subordinate amounts of Cb Al, Si, O2, C, N2, and Ti, the total amount of all such components being 100 %. The master alloy, preferably comprises 55 to 75% Mo 6 to 16% Cb, 1 to 15% Al, 0.1 to 5% Si 0 , to 1%, O2, 0 to 1% C, 0 to 1% N2, and …

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 July 23, 1993 and granted September 28, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 23, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2015.
  • 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 23, 1993
GrantedSeptember 28, 1999
Term endedJuly 23, 2013
Patent numberCA 2127121 C
Classification (IPC)C22C27/04 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedJuly 23, 1993Patent grantedSep 28, 1999Term endedJuly 23, 2013

Sources & verification

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