Method of preparing crystalline compounds a suiva xx b suvia xx
CA 1082424 A · Owner: Institut Khimii Akademii Nauk Sssr · Inventors: Bochkarev, Mikhail N.; Kirillov, Alexand I.; Nesterov, Boris A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of preparing crystalline compounds AIVABVIA wherein AIVA is Si, Ge, Sn, Pb; BVIA is S Se, Te; which, comprises thermal decomposition at the surface of a sub-, strate heated to a temperature ranging from 250 to 450°C of an elementoorganic compound containing chemically combined elements AIVA and BVIA with the generic formula RkA1IVABmVIAR'n, wherein AIVA is Si, Ge Sn, Pb; BVIA is S, Se, Te; R and R' are hydrogen or an alkyl with 1 to 4 carbon atoms; k = 0-6, 1 = 1-2, m = 1 -2. the method according to the present invention makes it possible to substantially reduce the decomposition temperature of the starting elementoorganic compound at the substrate surface and to obtain the final …
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 July 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 1997.
- 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.