共 20 条
- [2] CALUNDAN GW, 1978, Patent No. 4083829
- [3] CALUNDANN GW, 1978, Patent No. 4130545
- [4] CALUNDANN GW, 1978, Patent No. 4067852
- [5] Cottis S. G., 1972, US Patent, Patent No. 3637595
- [7] GOODMAN I, 1966, Patent No. 3321437
- [8] HAY I, 1981, 39TH PITTSB DIFFR C
- [10] Jackson W., 1974, Copolyester Prepared from Polyethylene Terephthalate and an Acyloxy Benzoic Acid, Patent No. [US3804805, 3804805]