 SAINT LAURENT, Quebec, Aug. 31, 2021 GLOBE NEWSWIRE -- IntelGenx Corp. TSX-V:IGXOTCQB:IGXT the Company or IntelGenx today announced that it has completed an initial shipment of CBD Filmstrips in support of Heritage Cannabis Holdings Corp.s Heritage Cannabis CSE:CANN Canadian market launch of its CB4 Control branded product. 