ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,660, issued on Feb. 10, was assigned to AT Films Inc. (Edmonton, Canada).
"Polymeric film" was invented by Xiaojiang Zhang (Alberta, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a film for enhancing the growth of plants in the Cannabaceae family, the film being capable of blocking solar spectrum in the range 430-550 nm. The present disclosure also provides a single- or multi-layer plastic greenhouse film for enhancing cannabis plant growth, where the single- or multi-layer plastic greenhouse film (a) has at least one blue light blocking layer for blocking solar spectrum in the range of 430-500 nm; (b) has a h...