Starch viscosity control agent using an ethoxylated fatty alcohol
CA 1069656 A · Owner: Nalco Chemical Company · Inventors: Crill, Maria S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved gelatinized starch paste consisting essentially of from 5 to 40% by weight of starch and from 0.01 to 5% by weight based on, the weight of the starch of a modified fatty alcohol which has been reacted with from 2 to 10 moles of ethylene oxide the remainder of the paste being, water and the modified fatty alcohol having been added to the starch prior to gelatinization thereof.
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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.