Method for collecting hemolymph of insects
CA 2210262 C · Owner: National Institute Of Agrobiological Sciences · Inventors: Arakawa, Toru; Miyazawa, Mitsuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention herein provides a method for collecting insect hemolymph which permits the collection of hemolymph at a time, from a vast number of insect bodies which does not cause any scattering, of the hemolymph during collection thereof which may widely be used, which permits the collection of the hemolymph free of unnecessary tissues or the like and which can inhibit the melanization of the collected hemolymph. The insect hemolymph can be collected by freezing anesthetized lepidopterous insects, piercing the epidermis of the frozen insects without damaging the alimentary canals thereof and then thawing them in a buffer solution containing a melanization-inhibitory agent to thus …
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 April 28, 1997 and granted May 11, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 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.