Method of producing epsilon-caprolactam

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10364218
APP PUB NO 20180237389A1
SERIAL NO

15758664

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method of producing ε-caprolactam from 3-oxoadipic acid includes: step 1 of mixing at least one selected from the group consisting of 3-oxoadipic acid and salts thereof with a catalyst and a solvent in the presence of hydrogen to produce 3-hydroxyadipic acid; and step 2 of reacting the 3-hydroxyadipic acid which is a product of step 1, a salt or carboxylic acid derivative thereof, or a mixture of these with hydrogen and ammonia.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TORAY INDUSTRIES INC1-1 NIHONBASHI-MUROMACHI 2-CHOME CHUO-KU TOKYO 1038666 ?1038666

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akahira, Masato Nagoya, JP 10 7
Ito, Masateru Kamakura, JP 42 126
Tsukamoto, Daijiro Kamakura, JP 14 12
Yamada, Katsushige Kamakura, JP 129 456
Yamashita, Kohei Nagoya, JP 63 287
Yamauchi, Koji Nagoya, JP 87 2692

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 30, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 30, 2031
Fee Large entity fee small entity fee micro entity fee
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