Shaped adhesive
CA 1298018 C · Owner: Gierenz, Gerhard · Inventors: Gierenz, Gerhard; Kraus, Gabriella
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A soft-rubbing shaped adhesive is based on an adhesive forming polymer solution gelled with a soap-forming gelling agent in the presence of from about 2.5 to 15% by weight, based on the total weight of the composition of a modifying additive comprising an aminocarboxylic acid or corresponding lactam preferably an aminocarboxylic acid containing from 4 to 8 carbon atoms. Especially useful modifying additives include caprolactam the sodium salt of, aminocaproic acid, or a mixture thereof.
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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.