In accordance with virtual patent marking provisions, including those of the America Invents Act, the following information identifies products that are protected by patents and pending patent applications in the U.S. and other countries. This webpage serves notice under 35 U.S.C. § 271(a) and 35 U.S.C. § 287(a). This webpage is updated on a periodic basis. It may include expired patents from a prior update.

Last updated: 4/25/2024

Disclosure: The proposed use of butane extraction equipment is “off-label” and that at least one person claims to have patented the off-label process. C1D1 Labs is only showing them how to distill and providing equipment that will do it; C1D1 cannot assume responsibility for evaluating the enforceability of claimed patents regarding use of equipment that, by itself, is not violating any patents.