Storage, rapidly hardening epoxy resin adhesive
CA 1109986 A · Owner: Ciba-Geigy Investments Ltd. · Inventors: Zondler, Helmut; Lehmann, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A storable rapidly hardening epoxy resin adhesive consisting essentially of, a) a polyglycidyl compound having a softening temperature between 40° and 90°C, b) a salt of 1 mole of ethylenedimine 1 mole of bisphenol A, d 2 g of N,N-dimethyl-1,3-diaminopropane c) an ABS graft polymer and, d) a copolymer of ethylene acrylic acid and acrylate having, a melting range from 70° to 110°C said adhesive comprises, er 1 equivalent of glycidyl groups 0.5 to 1.5 equivalents of hydrogen atoms bonded to nitrogen of ethylenediamin and of N,N-dimethyl-1,3-diaminopropane and per 100 parts of the polyglycidyl compound contains 3 to 30 parts by weight of the ABS graft polymer and 3 to 20 parts by weight of the …
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 September 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 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.