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GB678160A
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Improvements in the treatment of polymeric substances
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GB654288A
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Improvements in polymeric materials and in processes for their production
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GB655277A
|
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Improvements in the production of nitrogen-containing polymers
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GB655276A
|
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Improvements in the colouration of textile and other materials
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GB654273A
|
|
Improvements in polymeric materials and in processes for their production
|
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GB630528A
|
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Improvements in or relating to the production of artificial filaments, films, and the like
|
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GB614063A
|
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Improvements in filament or film-forming polymer compositions
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GB634591A
|
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Improvements in the production of synthetic resins
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GB623309A
|
|
Improvements in the production of polyesters
|
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GB627124A
|
|
Improvements in polymeric materials and in processes for their production
|
|
GB626527A
|
|
Improvements in the production of polymeric materials
|
|
GB626525A
|
|
Improvements in the treatment of nitrogen-containing condensation polymers
|
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GB626526A
|
|
Improvements in compositions of nitrogen-containing linear condensation polymers and the production of shaped articles therefrom
|
|
GB613988A
|
|
Improvements in the melt spinning of polymeric materials
|
|
GB613986A
|
|
Improvements in polymer compositions and in the production of shaped articles
|
|
GB613497A
|
|
Improvements in polymeric materials and in processes for their production
|
|
GB574106A
|
|
Improvements in or relating to the production of organic acid esters of cellulose
|
|
GB571572A
|
|
Improvements in or relating to the production of cellulose derivatives
|
|
GB570271A
|
|
Improvements in or relating to the manufacture of carboxylic acid anhydrides
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GB562691A
|
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Improvements in or relating to the manufacture of higher fatty acid esters of cellulose
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