Secondary etheramine acetates and their use as lubricating agents for synthetic fibers
CA 1064516 A · Owner: Hoechst Aktiengesellschaft · Inventors: Steckelberg, Willi; Kleber, Rolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Secondary etheramine acetates of the formula I, in which R is alkyl or alkenyl having from 7 to 24 carbon atoms cyclohexyl or aryl optionally substituted by alkyl X and Y re-, present hydrogen or methyl but are not both methyl at the same, time and n is an integer in the range of from 2 to 20. They are obtained by reacting secondary ether amines of the general formula in which R, X, Y and n are defined as above with glacial acetic, acid. These compounds are used as lubricating agents in the preparation and processing of synthetic fibers.
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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 October 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 1996.
- 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
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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.