Process for the co-production of aromatic carboxylates and alkyl iodides
CA 1285580 C · Owner: Eastman Kodak Company · Inventors: Steinmetz, Guy Ralph; Rule, Mark
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for the Co-Production of Aromatic Carboxylates and Alkyl Iodides, This invention relates to a novel carbonylation process for the preparation of both aromatic carboxylic acids or esters and an iodine containing compound from which the iodine values can be economically recovered. In this process the carboxylation is conducted in the, presence of an alkanol and a catalytic amount of ruthenium.
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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 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2008.
- 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.