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GB520273A
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Improved manufacture of derivatives of phenanthridine
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GB519660A
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Improvements in the manufacture of heterocyclic compounds of the diazaline series
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GB496258A
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Manufacture of picryl compounds and conversion products thereof
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GB481819A
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Improvements in the manufacture of moulded products
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GB483664A
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Improvements in synthetic resins of the polymerisation type
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GB465411A
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Improvements in the manufacture of laminated boards
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GB461185A
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Improved manufacture of bases derived from ª‡-aminopyridine
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GB463036A
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Improved manufacture of alkyl phenols and related compounds
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GB408063A
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Preparation of elastic resins
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GB404317A
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Improved process for the manufacture of organic condensation products
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GB397847A
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Improvements in the purification and decolourisation of phenols and neutral oils
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GB397148A
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Improvements in the isolation of ú-xylenol from phenolic mixtures
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GB396760A
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Improvements in the production of organic amines
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GB372859A
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Process for the preparation of homologues and derivatives of phenanthridine
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GB353464A
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Improvements in the synthesis of aromatic compounds at high pressures
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GB327797A
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Improved method of obtaining useful products from low temperature and other tars andpitches
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GB331542A
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Improved method of treating tars
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GB319444A
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Manufacture of synthetic resins
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GB318116A
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Improvements in the separation of the constituents of low temperature tar and its distillates
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GB313061A
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Improvements in the manufacture of aldehydes and alcohols
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