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GB1097673A
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Chlorination of alkyl and aralkyl pyridines
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GB1056698A
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Production of briquettes
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GB1045792A
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Improvements relating to the treatment of aqueous effluents
|
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GB927613A
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Manufacture of 2-ª -methoxyethylpyridine
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GB932700A
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Manufacture of 2-ª -methoxyethylpyridine
|
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GB918179A
|
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Manufacture of 2-ª--methoxyethylpyridine
|
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GB845562A
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Improvements relating to the alkylation of heterocyclic compounds
|
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GB850405A
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Improvements in the production of alkylpyridines and alkylquinolines
|
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GB817950A
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Improvements relating to the production of pitch products
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GB750018A
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Improvements in tars for road and like surfaces
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GB747906A
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Improvements in tars for road and like surfaces
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US2790834A
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Separation of phenols from hydrocarbons
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US2972861A
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Method of reducing the corrosive attack of combustion gases on metal
|
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GB730473A
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Improvements relating to the extraction of phenols from coal-tar hydrocarbons
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GB744235A
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Improvements relating to the purification of quinoline
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GB736589A
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Improvements in the separation of quinaldine from other bases
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GB734190A
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Method of reducing the corrosive attack of combustion gases on metal
|
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GB685238A
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Improved device for measuring the thickness of wet coatings
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GB685999A
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The decolorization of resins derived from tar fractions
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GB630397A
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Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein
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