Polyvinyl oleate as a fat replacement
CA 2005752 A1 · Owner: Nabisco Brands, Inc. · Inventors: Jacklin, Peter T.; D'Amelia, Ronald P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polyvinyl alcohol fatty acid esters, notably unsaturated acid esters, comprise a new class of edible fat replacements. Polyvinyl oleate, prepared either by direct esterification of low molecular weight polyvinyl alcohol with oleic acid, oleic anhydride or oleyl chloride by the, transesterification between low molecular weight polyvinyl alcohol and methyl oleate, or by the interesterification between low molecular weight polyvinyl acetate and methyl oleate, is a preferred edible fat replacement.
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
- Filed December 18, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2011.
- 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.