Heres another good one about butane hash extractions that mentions this place we call home i dont like it one bit the patent crap....https://www.wweek.com/news/2017/08/...s-is-profiting-from-an-invention-he-designed/
In 2011, Ellis developed a much safer method of extraction using a closed-loop system. Rather than allowing butane vapor to escape into the air where it can catch fire or explode, Ellis' system used a series of pumps and tubes to keep the butane and its vapors contained.
It took him three months and $1,600 to develop. Along the way, Ellis (GRAY WOLF), who called his lab Skunk Pharm Research, shared his work online and on a popular cannabis forum, icmag.com, making his technology freely available.
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