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Expired
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GB39511/60A
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Individual
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Individual
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Publication of GB894760ApublicationCriticalpatent/GB894760A/en
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
D01C1/00—Treatment of vegetable material
D01C1/02—Treatment of vegetable material by chemical methods to obtain bast fibres
Abstract
Rovings of green or retting flax, after preparation for spinning and after degumming and bleaching, are passed on a permeable support or carrier through a dye solution and then are spun into fibres.
GB39511/60A1959-11-201960-11-17Production of coloured threads of flax
ExpiredGB894760A
(en)
New acylated alpha, alpha-dihydroxy-diamino-anthraquinones, process for their preparation and process for dyeing hydrophobic textile fibers with these dyes