公开(公告)号：EP1008575A1

公开(公告)日：2000-06-14

申请号：EP99309810.2

申请日：1999-12-07

Applicant: ELF ATOCHEM NORTH AMERICA, INC.

Inventor： Chen, Bin ,  Bolmer, Michael S. ,  Elsheikh, Maher Y.

IPC: C07C17/20 ,  C07C19/12

CPC classification number: C07C17/206 ,  C07C19/12

Abstract: A process for the preparation of 1-chloro-2,2-difluoroethane ("142") by fluorinating 1,1,2-trichloroethane in the gas phase with HF in the presence of a fluorination catalyst. 142 is a known foam blowing agent.

Abstract translation: 通过在氟化催化剂存在下用HF氟化气相中的1,1,2-三氯乙烷制备1-氯-2,2-二氟乙烷（“142”）的方法。 142是已知的发泡剂。

公开(公告)号：EP0931783A1

公开(公告)日：1999-07-28

申请号：EP98309837.7

申请日：1998-12-01

Applicant: ELF ATOCHEM NORTH AMERICA, INC.

Inventor： Elsheikh, Maher Y.

IPC: C07C17/21 ,  C07C19/08 ,  C07C17/38

CPC classification number: C07C17/206 ,  C07C21/18

Abstract: An uncatalyzed liquid phase process is provided for the preparation of oligomer free 1233zd via the fluorination of 1230za with a high molar excess of HF. The 1233zd is a known intermediate useful for preparing 245fa (1,1,1,3,3-pentafluoropropane).

公开(公告)号：EP0919529A1

公开(公告)日：1999-06-02

申请号：EP98309797.3

申请日：1998-11-30

Applicant: ELF ATOCHEM NORTH AMERICA, INC.

Inventor： Elsheikh, Maher Y. ,  Bolmer, Michael S. ,  Chen, Bin

IPC: C07C19/08 ,  C07C17/20 ,  C07C17/087 ,  C07C17/383 ,  C07C21/18

CPC classification number: C07C19/08 ,  C07C17/087 ,  C07C17/206 ,  C07C17/38 ,  C07C17/383 ,  C07C21/18

Abstract: A process for the preparation of 1,1,1,3,3-pentafluoropropane (245fa) is provided, wherein 1233zd is first fluorinated to 1234ze, followed by fluorination of 1234ze to 245fa. 245fa is a known foam blowing agent and refrigerant.

Abstract translation: 提供了用于制备1,1,1,3,3-五氟丙烷（245fa）的方法，其中1233zd首先被氟化为1234ze，随后氟化1234ze至245fa。 245fa是一种已知的发泡剂和制冷剂。