Solvent extraction of I-141B from I-365

United States of America Patent

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Mar 24, 1992
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N/A
app pub date
Aug 28, 1991
filing date
Aug 28, 1991

priority date (Note)
Expired

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Abstract

Partial or total separation of a mixture of 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-1-fluoroethane by liquid-liquid extraction with solvents containing ethylene glycol, 2-butene-1,4-diol, ethanolamine, propylene glycol, or mixtures thereof, preferably ethylene glycol.

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Patent Owner(s)

Patent Owner	Address
ATOFINA CHEMICALS INC A CORP OF PENNSYLVANIA	2000 MARKET STREET PHILADELPHIA PA 19103

International Classification(s)

C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bolmer, Michael S	Lower Providence, PA	16	215
Elsheikh, Maher Y	Tredyffrin, PA	85	1194

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Solvent extraction of I-141B from I-365

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07751023

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PATENT NO	5099082
SERIAL NO	07751023
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07751023

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