Wool wax substitute
CA 1185257 A · Owner: Huls Troisdorf Aktiengesellschaft · Inventors: Naskar, Sasanka S.; Hulsmann, Hans L.; Pass, Reinhard
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 a wool wax substitute based on homogeneous ester mixtures of esterification products of 1 mole of a glycerol-polyglycerol mixture with 0.5 to 1.1 mole of a saturated aliphatic monocarboxylic acid having 6 to 10 C-atoms or mixtures thereof, 0.5 to 1.1 mole of a saturated aliphatic monocarboxylic acid having 16 to 22 C-atoms or mixtures thereof, 0.0 to 0.6 mole of an aliphatic saturated branched-chain monocarboxylic acid having 16 to 18 C-atoms, 0.0 to 0.5 mole of a hydroxyl group containing saturated monocarboxylic acid having 16 to 20 C-atoms or mixtures thereof and 0.5 to 1.0 mole of saturated aliphatic dicarboxylic acids having 4 to 10 C-atoms or mixtures …
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 April 9, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 9, 2002.
- 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.