USOO922O294B2 (12) United States Patent (10) Patent No.: US 9.220,294 B2 McCullough (45) Date of Patent: Dec. 29, 2015 (54) METHODS AND DEVICES USING CANNABIS USPC .......................................... 424/725, 448, 449 VAPORS See application file for complete search history. (71) Applicant: Timothy McCullough, Stillwater, MN (56) References Cited (US) U.S. PATENT DOCUMENTS (72) Inventor: Timothy McCullough, Stillwater, MN (US) 3,270,437 A 9, 1966 Castillo et al. 4,543.275 A 9, 1985 Akashi et al. 4,913,865 A 4, 1990 Tovotama (*) Notice: Subject to any disclaimer, the term of this 5,095,921 A 3, 1992 E. et al. patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days. (Continued) (21) Appl. No.: 14/264,999 FOREIGN PATENT DOCUMENTS y x- - - 9 WO WO-94O9842 A1 5, 1994 (22) Filed: Apr. 29, 2014 WO WO-0176768 A1 10, 2001 (65) Prior Publication Data (Continued) US 2015/0223515 A1 Aug. 13, 2015 OTHER PUBLICATIONS Hazekamp et al. Evaluation of a Vaporizing Device (Volcanol) for Related U.S. Application Data the Pulmonary Administration of Tetrahydrocannabinol. Journal of (60) Provisional application No. 61/938,577, filed on Feb. Pharmaceutical Sciences, vol. 95, Issue 6, Apr. 24, 2006.* 11, 2014. (Continued) (51) Int. Cl. A6M 16/00 (2006.01) Primary Examiner — Cachet Sellman A24B I3/00 (2006.01) (74) Attorney, Agent, or Firm — Schwegman Lundberg & A6M II/4 (2006.01) Woessner, PA. A6 IK3I/352 (2006.01) BOLD II/00 (2006.01) (57) ABSTRACT B05D L/40 (2006.01) A method of purifying at least one of THC and CBD from a A61M 15/00 (2006.01) cannabis-containing composition includes heating the can (52) U.S. Cl. nabis-containing composition to a temperature Sufficient to CPC ............... A24B 13/00 (2013.01); A61 K3I/352 volatilize at least one of THC and CBD into a vapor and (2013.01); A61M II/041 (2013.01); A61M condensing the vaporona Substrate. A drug delivery cartridge II/042 (2014.02); B0ID 1 1/00 (2013.01); includes a substrate coated with at least one of THC and CBD B05D 1/40 (2013.01); A61M 15/002 (2014.02); and configured to allow for passage of air through the car A61M 15/0028 (2013.01); A61M 15/0045 tridge to volatilize at least one of THC and CBD for inhalation (2013.01); A61M 15/0066 (2014.02); A61M by a user to induce a medicinal or therapeutic effect to the 2207/00 (2013.01) USC. (58) Field of Classification Search CPC .................................................... A61K 31 (352 21 Claims, 15 Drawing Sheets 326-Oe:z:x:::::::2::22:22:2:::222222222222*222222:32:22.22:22 afte:a::tza" Doooooooooooooootfolio3.18 Doooooooooo 34 332 US 9.220,294 B2 Page 2 (56) References Cited FOREIGN PATENT DOCUMENTS U.S. PATENT DOCUMENTS WO WO-2008, 134668 A2 11/2008 WO WO-2010, 111232 A9 3, 2011 5,224,498 7, 1993 Deevi et al. WO WO-2013O83631 A1 6, 2013 5,269,327 12, 1993 Counts et al. 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