| 摘要 |
PCT No. PCT/US93/03203 Sec. 371 Date Nov. 28, 1995 Sec. 102(e) Date Nov. 28, 1995 PCT Filed Apr. 6, 1993 PCT Pub. No. WO94/22793 PCT Pub. Date Oct. 13, 1994Separation of CClF2CF3 from CHF2CF3 is effectively achieved using either acidic inorganic molecular sieves, non-acidic silicate molecular sieves, or activated carbon. |
