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US1766304A
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Process for separating and purifying sulpho-acids of high molecular weight
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US1865586A
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Process for treating products obtained from plastic masses
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US1693461A
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Process for the production of the condensation products of phenols with aldehydes
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US1766305A
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Process for treating mineral and naphtha oils
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GB292637A
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A process for colouring articles and masses obtained from phenol-aldehyde condensation products
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GB292636A
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A process for treating articles and masses obtained from phenolaldehyde condensation products
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GB281897A
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An improved process for the wet-spinning of flax, hemp and other textile fibres
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GB281896A
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A process for treating, drying and semi-drying fats and oils
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GB291823A
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An improved process for purifying mineral and naphtha oils
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GB283002A
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An improved process for the production of the condensation products of phenols with aldehydes
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GB289934A
|
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An improved process for the production of preparations capable of being emulsified and forming soaps
|
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GB284859A
|
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An improved process for separating and purifying sulpho-acids of high molecular weight
|
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GB252212A
|
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Improvements in the production of sulpho-aromatic fatty acids
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GB252211A
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An improved process for splitting fats
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US1732656A
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Process for obtaining soap
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US1684142A
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Process of preparing phenol-formaldehyde condensation products
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US1661620A
|
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Process for the production of washing agents
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US1642594A
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Process of treating hard water
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US1642595A
|
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Process for obtaining sulpho-aromatic fatty acids
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GB231431A
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An improved method of manufacturing compositions of matter containing synthetic resins
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