Production of colored silk filament
AssigneesDainichiseika Color & Chemicals Mfg. Co., Ltd., Shigeji Ogiwari
InventorsShojiro Horiguchi, Takae Ogiwara, Yoshio Abe, Akira Hoshino
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Abstract
Described is a method for producing a colored silk filament by having a colorant solution absorbed through the spiracles of each silkworm larva and then allowing the larva to secrete the colored silk filament through the spinneret thereof. In this method, a solution of a polymer-linked dyestuff is employed as the colorant solution.
Claims4
In a method for producing a colored silk filament by having a colorant solution absorbed through the spiracles of each silkworm larva and then allowing the larva to secrete the colored silk filament through the spinneret thereof, the improvement wherein a solution of a polymer-linked dyestuff is employed as the colorant solution.
Dependencies are inferred from the claim text.