1. T. Tanuma, T. Yoshida, Polyester-modified vinyl polymer and production method thereof, US 4,066,586 (1978).
2. P.I. Kordomenos, R.A. Ryntz, Branched polyester macromers for flexible graft polymer coatings, EP 231666 (1987).
3. W.S. Kim, B.J. Kim, Process for preparing acryl modified polyester resin for use in a powder coating and a powder coating composition coating the same, US 5,405,910 (1995).
4. E. Takyama, A. Hasegawa, K. Ogiwara, Antifouling acrylic grafted polyester coatings, JP 07310030 (1995).
5. G.G. Kim, Y.C. Lee, J.B. Sim, Preparation of modified polyester resin having improved solvent resistance, KR2001037451 (2001).