The United States Patent and Trademark Office awards a patent for the Pürblack Live Resin.


The United States Patent and Trademark Office awards a patent for the Pürblack Live Resin. On November 20th, 2018 USPTO awarded a United States Patent for “Mineral Pitch Resin manufactured under safe and low-temperature procedure,” the shilajit resin made under the patent is known as Purblack Live Resin. The Patent can be viewed at the …