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Simultaneous producting of higher chloromethanes
   
Document Number
US Patent 4985214
Issued Date
January 15, 1991
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Abstract
Apparatus for the production of higher chloromethanes, i.e, CH.sub.2 Cl.sub.2, CHCl.sub.3 and CCl.sub.4, by chlorinating methyl chloride with chlorine in a first reaction zone A, chlorinating at least one of the higher chloromethanes CH.sub.2 Cl.sub.2 and CHCl.sub.3 with chlorine in a parallel second reaction zone B, combining the reaction products from the first and second reaction zones A and B, separating higher chloromethanes from the combined reaction prodcuts, and recycling at least one of the separated higher chloromethanes CH.sub.2 Cl.sub.2 and CHCl.sub.3 as chlorination feed to the second reaction zone B.
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Number of Claims:
23
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Owner
Atochem (Puteaux,FR)
Published
January 15, 1991
Application Number
07/189,832
Filed
May 3, 1988
US Classification
422/188   422/189 422/234 570/255
Int'l Classification
C07C   17/10   (20060101)   C07C   19/00   (20060101)   C07C   17/00   (20060101)   C07C   19/04   (20060101)   C07C   19/041   (20060101)  
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Parent Case
This application is a divisional of application Ser. No. 099,783 filed Sept. 22, 1987 and now U.S. Pat. No. 4,765,876, which is a continuation of Ser. No. 773,927 filed Sept. 9, 1985, abandoned, which is a continuation of Ser. No. 619,357 filed June 11, 1984, abandoned.
Priority Data
Jun 10, 1983 [FR] 83 09667
USPTO Field of Search
570/255   422/188   422/189   422/234  
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