Heather spun polyester yarn and fabric, and method for producing the same

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12163260
SERIAL NO

17581503

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Abstract

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A spun heather yarn includes first pre-colored staple fibers comprising masterbatch-dyed first polyester fibers, and second pre-colored staple fibers comprising second polyester fibers dyed with a cationic dyestuff. A knitted heather fabric includes a plurality of the spun heather yarns knitted together to form the knitted heather fabric. The first and/or second pre-colored staple fibers may be substantially free of carbon black and carbon black derivatives. A method of manufacturing a spun heather yarn includes masterbatch-dying a first raw polyester material to prepare first pre-colored staple fibers, separately preparing a plurality of second pre-colored staple fibers by dyeing a plurality of uncolored staple fibers with a cationic dyestuff, and spinning the first and second pre-colored staple fibers together to form the spun heather yarn. The spun heather yarns may then be knitted together to form a heather fabric.

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Patent Owner(s)

Patent OwnerAddress
WINDS ENTERPRISES LIMITED33 CANTON ROAD SUITE 1803 18/F TOWER 5 TSIMSHATSUI CHINA HONG KONG CITY 87545

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Geiwald, Paul Urban Encinitas, US 7 40
Heng, Lean Teik Shanghai, CN 4 2
Lo, Yu Chung San Diego, US 2 0

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