Cationic electrolyte-stable dispersions and process for producing polyurethanes useful therein
CA 1103827 A · Owner: Bayer Aktiengesellschaft · Inventors: Noll, Klaus; Dieterich, Dieter; Markusch, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Mo-1761-JG, LeA 17,633, CATIONIC ELECTROLYTE-STABLE DISPERSIONS AND PROCESS FOR PRODUCING POLYURETHANES USEFUL THEREIN ABSTRACT OF THE DISCLOSURE, The instant invention is directed to novel polyurethane cationic electrolyte-stable dispersions characterized by lateral or terminal polyalkylene oxide polyether chains containing from 2 to 10%, by weight, of ethylene oxide units based on the total weight of the polyurethane; a content of or , groups of from 16 to 100 milliequivalents per 100 g of polyurethane; an average particle size of from 50 to 300 mµ; and a solids content of from 10 to 45%. LeA 17,633
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 June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
- 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.