Fecha de publicación: 04/12/2014 Fuente: WIPO "pollination" According to the invention, there is provided seed and plants of the hybrid corn variety designated CH639228. The invention thus relates to the plants, seeds and tissue cultures of the variety CH639228, and to methods for producing a corn plant produced by crossing a corn plant of variety CH639228 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH639228.