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Publication Title | THIN FILM REACTOR US3902857 US.Cl..23 /284;260 /513R;261 /90

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‘UnitedStatesPatent 191 Vander Mey et al.

[5'41 THIN FILM REACTOR

[75] Inventors: JohnE.VanderMey,Stirling,N.J.;_ Frank J. Kremers, Elbridge, NY.

[73] Assignee: AlliedChemicalCorporation,New York, NY.

[22] Filed: Aug.13,1973 [21] Appl.No.1387,844

[52] US.Cl..23/284;260/513R;261/90 [51] Int.Cl.2..1301.]10/00;C07C143/00 [58] FieldofSearch..23/284,286,285,252R;

1 3,902,857 [451 Sept.2,1975

261/87, 90; 260/513 R; 233/12, 13; 259/3

References Cited UNITED STATES PATENTS

2,703,275

3,168,289

3,347,620 10/1967 Yamashita

IA processisdisclosedwhichcomprisesthestepsofin troducing a stream of the organic liquid onto a plural ity of rotating‘reacting surfaces, rotating the reacting surfaces at a velocity such that the organic liquid is continuously‘formed into a thin ?lm on each reacting surface and ‘is continuously moved as a thin ?lm towards the periphery of each reacting surface by cen trifugal force, depositing over each thin film a substan tially undiluted stream of a gaseous medium, reacting the organic liquid and gaseous medium on said rotat ing reacting surfaces, maintaining the pressure during reaction at subatmospheric levels, moving the result ing reaction products in a radially outward direction along each reacting surface and collecting said reac tion product. Anapparatus for carrying out such pro cess is also disclosed.

'6 Claims, 1 Drawing Figure

[56]

3,427,342 2/1969 3,457,047 7/1969 3,473,896 10/1969 3,503,712 3/1970 3,529,936 9/1970 3,607,087 9/1971 3,787,481 1/1974

23/284 X ........ 23/285 23/252RX

3/1955 Elliott et al. ,........ .......... 23/252 R

259/3 23/285X

Brooks et al..

Tokimatsu et al.

Halderetal.

Sussman ..............

Muller-Rid et al. .

Graham .....................23/284 X Siclar et al....................... 23/283 X

2/1965 Voses .........

FOREIGN PATENTS OR APPLICATIONS 800,029 1H1968 Canada

...... 23/284 X

..... 23/285 X

899,035

5/1972

Canada

Primary Examiner-Joseph Scovronek

Assistant Examiner—Arnold Turk

Attorney, Agent, or Firm—Roger H. Criss; Gerard P. Rooney

[57] '

ABSTRACT

Image | THIN FILM REACTOR US3902857 US.Cl..23 /284;260 /513R;261 /90



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