Elastic materials with improved performance at body temperature
CA 2274227 A1 · Owner: Kimberly-Clark Worldwide, Inc. · Inventors: Boggs, Lavada C.; Thomas, Oomman P.; Fitts, James R. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Laminate compositions with significantly improved retention of elastic and mechanical properties such as stress relaxation permanent set, elongation , modulus and hysteresis modulus at temperatures slightly above body temperature, under actual use conditions are formed from polymeric materials , containing styrene copolymers and polymeric compounds blended with polyphenylene ether.
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 December 22, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2019.
- 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.