US3212998A
(en)
*
|
1962-12-06 |
1965-10-19 |
Dow Chemical Co |
Azeotropic distillation of bromine
|
NL131714C
(es)
*
|
1963-02-06 |
|
|
|
DE1468451B1
(de)
*
|
1963-10-25 |
1970-01-15 |
Onoda Cement Co Ltd |
Verfahren zur Abtrennung von Perfluoraethan,Perfluorpropan,Tetrafluoraethylen,Hexafluorpropylen,Perfluorcyclobutan aus ihren Gemischen mit bestimmten Fluorkohlenwasserstoffen
|
DE1251300B
(de)
*
|
1964-12-29 |
1967-10-05 |
E I du Pont de Nemours and Company Wilmington Del (V St A) |
Verfahren zur Reinigung von Hexa fluorpropylenepoxyd unter Abtrennung von Hexafluorpropylen
|
US3236030A
(en)
*
|
1965-05-03 |
1966-02-22 |
Dow Chemical Co |
Process for preferentially absorbing and recovering a fluorinated hydrocarbon
|
US3442961A
(en)
*
|
1967-05-03 |
1969-05-06 |
Du Pont |
Separation of hydrogen chloride from vinylidene fluoride
|
US3522077A
(en)
*
|
1967-08-04 |
1970-07-28 |
Westinghouse Electric Corp |
Inert plastic package for liquid reagent
|
US3819493A
(en)
*
|
1973-04-26 |
1974-06-25 |
Phillips Petroleum Co |
Process for separating halogenated hydrocarbons by extractive distillation
|
US3887629A
(en)
*
|
1973-10-01 |
1975-06-03 |
Phillips Petroleum Co |
Purification of fluorocarbons
|
US4029552A
(en)
*
|
1975-10-24 |
1977-06-14 |
Phillips Petroleum Company |
Process for obtaining high purity perfluoro-n-heptane
|
US4134796A
(en)
*
|
1977-11-17 |
1979-01-16 |
Asahi Glass Company Ltd. |
Method of purifying hexafluoropropylene oxide
|
FR2409973A1
(fr)
*
|
1977-11-28 |
1979-06-22 |
Asahi Glass Co Ltd |
Procede de purification de l'oxyde d'hexafluoropropylene
|
DE3107967A1
(de)
*
|
1981-03-03 |
1982-09-16 |
Hoechst Ag, 6000 Frankfurt |
"verfahren zur herstellung von reinem hexafluorpropylenoxid"
|
DE3729106A1
(de)
*
|
1987-09-01 |
1989-03-09 |
Hoechst Ag |
Verfahren zur gewinnung von reinem tetrafluorethylen
|
US4944846A
(en)
*
|
1988-08-01 |
1990-07-31 |
E. I. Dupont De Nemours And Company |
Process for the separation of HF via Azeotropic distillation
|
US5094773A
(en)
*
|
1988-08-01 |
1992-03-10 |
E. I. Du Pont De Nemours And Company |
Azeotropes of HF and process for the separation of HF via azeotropic distillation
|
DE4011820A1
(de)
*
|
1990-04-12 |
1991-10-17 |
Hoechst Ag |
Verfahren zur herstellung von gemischen aus chlortetrafluorethan und octafluorcyclobutan
|
US5429720A
(en)
*
|
1993-02-05 |
1995-07-04 |
The Dow Chemical Company |
Solvent recovery from waste oils
|
US5494601A
(en)
*
|
1993-04-01 |
1996-02-27 |
Minnesota Mining And Manufacturing Company |
Azeotropic compositions
|
US5401429A
(en)
*
|
1993-04-01 |
1995-03-28 |
Minnesota Mining And Manufacturing Company |
Azeotropic compositions containing perfluorinated cycloaminoether
|
GB9307923D0
(en)
*
|
1993-04-16 |
1993-06-02 |
Ici Plc |
Process for the purification of 1-chloro-2,2,2-trifluroethane
|
BR9402038A
(pt)
*
|
1993-05-25 |
1995-03-07 |
Showa Denko Kk |
Processo de purificação de pentaflúor etano
|
ATE191906T1
(de)
*
|
1994-08-17 |
2000-05-15 |
Daikin Ind Ltd |
Verfahren zur herstellung von pentafluorethan
|
EP1029840B1
(en)
*
|
1995-07-14 |
2004-05-06 |
E.I. Dupont De Nemours And Company |
Process for separating HFC-32 and HFC-125
|
US5771713A
(en)
*
|
1997-08-20 |
1998-06-30 |
Praxair Technology, Inc. |
Cryogenic rectification system for recovery of fluorine compounds
|
WO2001064612A1
(fr)
*
|
2000-02-29 |
2001-09-07 |
Daikin Industries, Ltd. |
Procede de production de tetrafluoroethylene
|
WO2002012153A1
(en)
*
|
2000-08-10 |
2002-02-14 |
Solvay (Société Anonyme) |
Process for obtaining a purified hydrofluoroalkane
|
US7189311B2
(en)
*
|
2001-03-23 |
2007-03-13 |
Honeywell International Inc. |
Purification of difluoromethane
|
US6605193B2
(en)
|
2001-04-25 |
2003-08-12 |
Atofina Chemicals, Inc. |
Recovery of HFC-32
|
CN103896726B
(zh)
*
|
2014-03-11 |
2015-11-18 |
中昊晨光化工研究院有限公司 |
一种用于四氟乙烯生产中控制水含量的方法和装置
|
WO2016196538A1
(en)
*
|
2015-06-04 |
2016-12-08 |
Arkema Inc. |
Method for producing fluorinated olefins
|
JP7132523B2
(ja)
*
|
2020-06-22 |
2022-09-07 |
ダイキン工業株式会社 |
精製されたトランス-1,2-ジフルオロエチレン(hfo-1132(e))及び/又は1,1,2-トリフルオロエチレン(hfo-1123)の製造方法
|