Standard 5 is clear that educational materials that are a part of accredited education (including slides, abstracts, handouts, etc.) cannot contain any ineligible company marketing (including logos, trade names, etc.). Marketing by or for an ineligible company can be included in activity materials that do not contain educational content, including logistical information and schedules.
(Standard 5: Manage Ancillary Activities Offered in Conjunction with Accredited Continuing Education)