3-hydroxy-4-alkyloxyphenyl heterocyclic aromatic carboxylates
CA 1234123 A · Owner: General Foods Corporation · Inventors: Barnett, Ronald E.; Zanno, Paul R.; Riemer, Jed A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 3-hydroxy-4alkyloxyphenyl heterocyclic aromatic carboxylate compounds particularly well suited as sweetening agents in foodstuff. The compounds have the formula: wherein:, R is selected from the group consisting of methyl and ethyl;, R1 is a compound of the formula: wherein n is an integer from 0 to 1;, each Z is selected from the group consisting of S O, NR2, N and CR2 with the provisio that only one Z is a hetero atom; and, each R2 is selected from the group consisting of H CH3, CH2CH3, CH2CH2CH3, CH(CH3)2, OH, OCH3 OCH2CH3, OCH(CH3)2, CH2OH, CH2CH2OH, CH2CHOHCH3 CHO, COCH3, COCH2CH3, CH2COCH3, CH2OCH3 and COOCH3 with R1 contain no more than 12 carbon atoms; and salts thereof.
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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 March 15, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 15, 2005.
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Timeline
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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.