KIEV, Sept. 2 - Ukraine-China cooperation in the Antonov An-225 'Mriya' heavy-lift transport aircraft project boasting a 250-ton payload rules out reassignment of intellectual property rights to China, Antonov State Company said.

"The An-225 cooperation agreement between Antonov State Company and Aerospace Industry Corporation of China (AICC) is sort of a roadmap acknowledging mutual interest in collaboration fostering the An-225 program," the company said.