Hydroxyl containing materials from distillation residue obtained by distilling hexamethylene diamine from a mixture thereof with by-products obtained in the hydrogenation of adiponitrile to produce hexamethylene diamine
CA 1095534 A · Owner: Mobay Chemical Corporation · Inventors: Chadwick, David H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The instant invention is directed to novel hydroxyl containing compositions and the use thereof in producing polyurethane resins. The novel products disclosed herein are hydroxyl containing materials produced by alkoxylating a distillation residue obtained by distilling hexamethylene diamine from a mixture thereof with by-products obtained in the hydrogenation of adiponitrile to produce hexamethylene diamine.
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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 February 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 10, 1998.
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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.