Process for the manufacture of alkyl ketene dimer

Details Process for the manufacture of alkyl ketene dimer Process for the manufacture of alkyl ketene dimer

1994-05-05

1996-01-16

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30512

Patent

active

054849527

ABSTRACT:
A process for making an alkyl ketene dimer by the dehydrohalogenation reaction of a C.sub.8 -C.sub.32 aliphatic fatty acid chloride with a tertiary amine in an inert solvent and the product of the process; the solvent comprising at an oxygenated hydrocarbon.

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patent: 5252754 (1993-10-01), Battorff
patent: 5344943 (1994-09-01), Broland
Chemical Abstracts, vol. 117, No. 1, Jul. 6, 1992, Columbus, Ohio, USA Nippon Oil and Fats Co., "Preparation of ultrapure alkylketene dimers" p. 787, column 2, No. 7 788f; & Jpn. Kokai Tokkyo Koho JP-A-O-436 258 (93 36 258).
Chemical Abstracts, vol. 119, No. 13, Sep. 27, 1993, Columbus, Ohio, USA Korea Institute of Science and Technology, "Method for Manufacture of diketene"p. 859, column 2, No. 139 057t; & Jpn. Kokai Tokkyo Koho JP-A-A-05-59 034 (93 59 034).
U.S. Serial No. 08/037,203, filed Mar. 26, 1993 to J. J. Zhang re Process for the Manf. of Alkyl Ketene Dimers by Dimerization with Tertiary Amines.
U.S. Serial No. 08/217,590, filed Mar. 24, 1994 to J. J. Zhang re Process for the Manf. of Alkyl Ketene Dimers by Dimerizaiton with Tertiary Amines.
Derwent Abstract of JP 63258471 A to Nippon Oils & Fats KK re Alkyl-Ketene Dimer Prep. From Fatty Acid Halide and Recovered Lower Tert. Amine Dehydrated Using Ketene Dimer (Oct. 1988).
Derwent Abs. of Russian 1035024-A to Ostrovskii MK re Prepn. of Higher Alkyl-Ketene Dimers By Reacting Mixture of Synthetic Fatty Acids Chloro Anhydride(s) with Tert-Amine, (Aug. 1983).
Derwent Abs. of German 2327988 to Henkel & Cie GmbH re Long-Chain Alkyl-Ketene Dimers Prodn. From Fatty Acid Chloride and Tert Amine, and Purification by Washing, (Jan. 1975).
Sauer, J. C., Ketene Dimers from Acid Halides, Journal of the American Chemical Society, 69, pp. 2444-2448 (1947).
Hansen, C. M., "The Three Dimensional Solubility Parameter-Key to Paint Component Affinities: I. Solvents, Plasticizers, Polymers, and Resins", Journal Paint Technology, 39, 104, 1967.
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Derwent Abs. of DT 2335488 to BASF AG re Fatty Alkyl Diketene Prepn. From Fatty Acid Halides and Tertiary Amines and Separation After Adding Carboxylic Acids, and (Feb. 1975).
Derwent Abs. of DE 3434212-A to Schill & Seilacher re Ketene Dimer Prodn. From Fatty Acid Halide and Tert. Amine in Molten Wax With Acid Hyrdolysis, Giving Organic Phase Useful As Or In Paper Size, (Mar. 1986).
Chemical Abstracts, vol. 117, No. 1, Jul. 6, 1992, Columbus, Ohio, USA Nippon Oil and Fats Co., "Preparation of ultrapure alkylketene dimers" p. 787, column 2, No. 7 788f; & Jpn. Kokai Tokkyo Koho Jp-A-O-436 258 (93 36 258).
Chemical Abstracts, vol. 119, No. 13, Sep. 27, 1993, Columbus, Ohio, USA Korea Institute of Science and Technology, "Method for Manufacture of diketene" p. 859, column 2, No. 139 057t; & Jpn. Kokai Tokkyo Koho JP-A-A-05-59 034 (93 59 034).

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