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GB21736/28A
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C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
C07B39/00—Halogenation
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
296,021. Polanyi, M., and Bogdandy, S. von. Aug. 23, 1927. [Co??ve)2fi.)n date]. Addition to 28<9>,795. Hydrocarbon halogen derivatives; methyl chloride.-In obtaining halogen derivatives of organic. compounds according to the method dei'crihed in the parent Specsfication, the vapour of cadmium or zinc is employed as the "initiator" of the reaction. '
PROCEDURE FOR THE COLLECTION AND EXAMINATION OF GASES DISSOLVED IN SEAWATER IN SMALL CONCENTRATIONS FOR THE PURPOSE AA FORECASTING THE HYDROCARBON POTENTIAL OF A FORM WHICH GIVES HYDROCARBONES.
Process for the treatment of bentonite for molding sands, molding compounds u. Like. As well as molding sands, molding compounds and the like produced with this bentonite. like