Polyesters of n,n-bis(hydroxyalkyl)taurine salts as antistatic agents for synthetic polymers
CA 1111189 A · Owner: Basf Wyandotte Corporation · Inventors: Login, Robert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Shaped objects including synthetic polymeric fibers with improved antistatic properties are prepared by incorporation therein about 1 to about 15% of a polyester antistatic agent prepared by reacting an N,N-bis(hydroxyalkyl) taurine salt with an organic polycarboxylic acid. Incorporation of the polyester into a synthetic polymer is accomplished by the process of preparing a melt or solution of the synthetic polymer and the polyester and extruding from the melt or casting from the solution to provide films, fibers and other molded objects exhibiting antistatic properties. A process for the preparation of the polyester antistatic agents of the invention, and for the preparation of the …
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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 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 1998.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.