Method of bonding with an anaerobically cured adhesive
CA 1053440 A · Owner: Ciba-Geigy Ag · Inventors: Stark, Bernard P.; Green, George E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Solid particulate material are bonded together to form a shaped article by, (i) forming a mixture of the particles and an anaerobically-curing adhesive and moulding the mixture to the desired shape (ii) initiating cure of the adhesive to bond the particles together by maintaining the shaped article in a substantially oxygen-free environment, and, (iii) heating the shaped article to complete the cure of the adhesive. The anaerobic adhesive may comprise as monomer, an ester of an, acrylic acid with a hydroperoxide or peroxide a a polymerisation catalyst, and the oxygen-free environment may be produced by displacing air with nitrogen or other inert gas or vapor. Heating to accelerate the cure …
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 May 1, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 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
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.