Primary hindered aminoacids for promoted acid gas scrubbing process
CA 1293965 C · Owner: Sartori, Guido · Inventors: Sartori, Guido; Milliman, George Elmer; Ho, Win-Sow Winston
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are primary sterically hindered aminoacids for use as promoters for alkali metal salts in acid gas scrubbing. The primary sterically hindered aminoacid is selected from 1-aminocyclopentane carboxylic acid and those represented by the formula:, where R1 and R2 are independently selected from CH3 C2H5, and C3H7; R3 and R4 are independently selected from hydrogen and CH3; and n is 0, 2, or 3.
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 January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2009.
- 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.