Methods for producing beta-alumina composites
CA 1065580 A · Owner: Eastman Kodak Company · Inventors: Pearlman, Donald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods are provided for producing a hot-pressed beta-alumina composition. The hot-pressed composition consists essentially of M2O?nAl2O3, wherein n is a positive integer between about 3 and about 12 and M is selected from Na and K, and features a flexural strength of at least about 45,000 psi as measured by ACMA Test No. 2 and high trans-, missability to light. -1-
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 November 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 6, 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.
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.