Textile recycling

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11713528
APP PUB NO 20230069369A1
SERIAL NO

17823914

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Abstract

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A textile recycling method receives textile-waste-to-be-recycled, sorts the waste to isolate cellulose-containing articles from non-cellulose-containing articles, and re-sizes at least some of the cellulose-containing articles to create feedstock. The feedstock is processed in a cellulose solvent reactor, which has at least one ionic liquid. The ionic liquid dissolves intermolecular cellulose bonds of the feedstock to create a spinning dope. Cellulose fibers dissolved in the cellulose-bearing spinning dope solution are extruded in a cellulose coagulation bath reservoir to reconstitute at least some of the cellulose fibers, and the reconstituted fibers are wet-spun to form a continuous cellulose thread that is commercially indistinguishable from virgin fiber thread. Synthetic fiber material is vacuum-extracted or mechanically extracted from the cellulose-bearing solution and recycled into a continuous synthetic thread. Original color of textile-waste-to-be-recycled can be retained or removed, and new color can be added.

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Patent Owner(s)

Patent OwnerAddress
APANI SYSTEMS INC4210 270TH AVENUE NE REDMOND WA 98053

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Land, Scot E Redmond, US 23 609
Robinson, Emily Grace Blaine, US 2 0

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