Adhesive and sealing substance based on rubber and process for the connection or bonding of components or structural parts
CA 2000569 C · Owner: Nimtz, Fritz · Inventors: Lipponer, Gerhard; Nimtz, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Adhesive and sealing substances based on rubber are disclosed which in addition to the usual components contain stereo-specific OH-terminated polybutadiene-liquid rubber as the main component and thus have an improved adhesion and an improved breaking behaviour. The adhesive and sealing substances disclosed are particularly suitable for use in car manufacture.
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
- Filed October 12, 1989 and granted May 29, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 12, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 12, 2011.
- 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.