Thietanyl-substituted amides
CA 1285282 C · Owner: Kraft General Foods, Inc. · Inventors: Roy, Glenn M.; Zanno, Paul R.; Barnett, Ronald E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is directed to food sweeteners of the formula:, wherein, A is hydrogen alkyl containing 1-3 carbon, atoms, hydroxyalkyl containing 1-3 carbon atoms alkoxymethyl wherein the alkoxy contains 1-3 carbon atoms or carbalkoxy wherein the alkoxy group contains 1-3 carbon atoms;, A' is hydrogen or alkyl containing 1-3 carbon atoms;, A and A' taken together with the carbon atom to which they are attached form cycloalkyl containing 3-4 carbon atoms;, 2 is -CH2CH2-; -CH=CH; -CH(OH)-CH2; -CH2O or , ; and, Y is thietanyl or alkyl-substituted thietanyl containing up to a total of 8 carbon atoms; B' is H or an amino protecting group with the proviso that when Z is , B.' is not H. and food …
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 June 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 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.