Method for removing SOx from gas with modified polyethylene glycol

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9795917
APP PUB NO 20160220946A1
SERIAL NO

15021152

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method for removing SOx from a gas by using a modified polyethylene glycol solution to absorb the SOx in the gas. The modified polyethylene glycol solution is contacted with the gas containing SOx to absorb the SOx in the gas, wherein x=2 and/or 3, the modified polyethylene glycol is a product derived from etherifying hydroxyl groups in the molecules of ethylene glycol and/or polyethylene glycol and has a general formula: R1—(O—C2H4)n—O—R2, where n is a positive integer, R1 and R2 are the same or different and are each independently alkyl, alkenyl, alkynyl, acyl or aryl.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • PEKING UNIVERSITY;BEIJING BOYUAN HENGSHENG HIGH-TECHNOLOGY CO., LTD;YONGFENG BOYUAN INDUSTRY CO. LTD., JIANGXI PROVINCE

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Li Jiangxi, CN 997 9317
Hu, Chun Beijing, CN 37 174
Li, Lifang Jiangxi, CN 8 26
Li, Xiangbin Jiangxi, CN 4 6
Sun, Shaoyang Beijing, CN 2 2
Wan, Mingjin Jiangxi, CN 2 2
Wei, Xionghui Beijing, CN 9 20
Xiao, Jianbai Beijing, CN 2 2
Zou, Meihua Beijing, CN 5 7

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 Apr 24, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 24, 2029
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