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GB2106508A
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Preparation of substituted ureas
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DE3137065A1
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Process for the preparation of substituted ureas from thiocarbamates and nitroaryls
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GB2083812A
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Process for the preparation of substituted ureas
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GB1504534A
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Process for the preparation of trisubstituted ureas
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GB1496247A
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Process for the production of 1,3,4-oxa diazolin-5(4h)-ones
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DE2535386A1
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(2)-substd. (1,3,4)-oxadiazolinone prepn. - by heating (1)-acyl-(4,4)-disubstd. semicarbazides with hydrogen chloride
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GB1486686A
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Process for the preparation of semicarbazides and carbazides
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US4115445A
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Process for the preparation of trisubstituted ureas
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GB1465892A
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Preparation of acyloxy derivatives of aromatic hydrocarbons
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DE2337406A1
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Fluid sterilization of sludge and sewage - by exposing paddle mixer surface or thin stream of fluid to accelerated electron beam
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DE2317122A1
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(3,3-disubstd ureido)aromatic cpds - from aromatic nitro or nitroso cpds
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DE2315935A1
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Imidazole derivs. and prodn. from aldehyde - by reacting with ammonia and hydrogen cyanide and ring closure
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GB1457408A
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Process for the preparation of chlorinated ureas and carbamates
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DE2301659A1
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Chlorinated aryl-ureas and-carbamates prepn. - by direct chlorination of the dechloro cpds.
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SU568363A3
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Method of purification of secondary n,n-substituted ammonium thiolcarbamates
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ES407916A1
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Process for the production of organic isocyanates
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CH564969A5
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Fluid sterilization of sludge and sewage - by exposing paddle mixer surface or thin stream of fluid to accelerated electron beam
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CH564968A5
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Fluid sterilization of sludge and sewage - by exposing paddle mixer surface or thin stream of fluid to accelerated electron beam
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GB1378481A
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Preparation of substituted ureas
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GB1431654A
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Process for the preparation of trisubstituted ureas
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