Textile separation methods

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12173440
APP PUB NO 20230147533A1
SERIAL NO

17484249

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided herein is a method of separating spandex from textile blends using biosolvents. The recovered material is of high purity while the chemical structure and molecular weight remain substantially unaffected by the treatment.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
THE HONG KONG RESEARCH INSTITUTE OF TEXTILES AND APPAREL LIMITEDR906 SHIRLEY CHAN BUILDING THE HONG KONG POLYTECHNIC UNIVERSITY KOWLOON HONG KONG 999077 999077

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chan, Alex Hong Kong, CN 110 1455
Gao, Shi Hong Kong, CN 2 2
Keh, Edwin Yee Man Hong Kong, CN 13 20
Lam, Un Teng Hong Kong, CN 6 13
Yao, Lei Hong Kong, CN 86 1896

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jun 24, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 24, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 24, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00