公开(公告)号：EP0702666A1

公开(公告)日：1996-03-27

申请号：EP94920013.0

申请日：1994-05-25

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： VAN BRAMER, David, John ,  SHIFLETT, Mark, Brandon ,  YOKOZEKI, Akimichi

IPC分类号： C07C17 ,  C07C21 ,  C09K3

CPC分类号： C07C17/42 ,  C07C21/185

摘要： Tetrafluoroethylene is made safe (non-explosive) to handle by forming a liquid solution of tetrafluoroethylene and carbon dioxide, one in the other, in a pressurized container.

公开(公告)号：EP1515930B1

公开(公告)日：2007-10-31

申请号：EP03762008.5

申请日：2003-06-25

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： BARNES, John, James ,  KELCH, Kenneth, Paul ,  SANDBROOK, Thomas, D. ,  VAN BRAMER, David, John

IPC分类号： C07C17/26 ,  C07C17/269 ,  C07C21/18

CPC分类号： C07C17/26 ,  C07C17/269 ,  C07C21/08 ,  C07C21/18

摘要： The present invention relates to the process of pyrolyzing tetrafluoroethylene to hexafluoropropylene by carrying out the pyrolysis in a tubular reactor that is lined with either nickel or nickel alloy which contains no greater than 8 wt% chromium.

公开(公告)号：EP1515930A1

公开(公告)日：2005-03-23

申请号：EP03762008.5

申请日：2003-06-25

申请人： E.I. du Pont de Nemours and Company

发明人： BARNES, John, James ,  KELCH, Kenneth, Paul ,  SANDBROOK, Thomas, D. ,  VAN BRAMER, David, John

IPC分类号： C07C17/26 ,  C07C17/269 ,  C07C21/18

CPC分类号： C07C17/26 ,  C07C17/269 ,  C07C21/08 ,  C07C21/18

摘要： The present invention relates to the process of pyrolyzing tetrafluoroethylene to hexafluoropropylene by carrying out the pyrolysis in a tubular reactor that is lined with either nickel or nickel alloy which contains no greater than 8 wt% chromium.

公开(公告)号：EP0702666B1

公开(公告)日：1999-04-28

申请号：EP94920013.3

申请日：1994-05-25

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： VAN BRAMER, David, John ,  SHIFLETT, Mark, Brandon ,  YOKOZEKI, Akimichi

IPC分类号： C07C17/42 ,  C07C19/08 ,  C09K3/30

CPC分类号： C07C17/42 ,  C07C21/185

摘要： Tetrafluoroethylene is made safe (non-explosive) to handle by forming a liquid solution of tetrafluoroethylene and carbon dioxide, one in the other, in a pressurized container.

公开(公告)号：EP0809621B2

公开(公告)日：2008-04-16

申请号：EP96906548.1

申请日：1996-02-14

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： MURPHY, Patrick, Michael ,  SCHLEINITZ, Henry, Max ,  VAN BRAMER, David, John

IPC分类号： C07C17/269 ,  C07C21/185

CPC分类号： C07C17/269 ,  C07C21/185

摘要： In the process of pyrolyzing chlorodifluoromethane to form tetrafluoroethylene, yield is improved by having a controlled concentration of perfluorocyclobutane in the feed to pyrolysis.

公开(公告)号：EP0809621B1

公开(公告)日：1999-08-04

申请号：EP96906548.1

申请日：1996-02-14

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： MURPHY, Patrick, Michael ,  SCHLEINITZ, Henry, Max ,  VAN BRAMER, David, John

IPC分类号： C07C17/269 ,  C07C21/185

CPC分类号： C07C17/269 ,  C07C21/185

摘要： In the process of pyrolyzing chlorodifluoromethane to form tetrafluoroethylene, yield is improved by having a controlled concentration of perfluorocyclobutane in the feed to pyrolysis.

公开(公告)号：EP0809621A1

公开(公告)日：1997-12-03

申请号：EP96906548.0

申请日：1996-02-14

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： MURPHY, Patrick, Michael ,  SCHLEINITZ, Henry, Max ,  VAN BRAMER, David, John

IPC分类号： C07C17 ,  C07C21

CPC分类号： C07C17/269 ,  C07C21/185

摘要： In the process of pyrolyzing chlorodifluoromethane to form tetrafluoroethylene, yield is improved by having a controlled concentration of perfluorocyclobutane in the feed to pyrolysis.