Family

Loading Family data...

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
KOREA INSTITUTE OF ENERGY RESEARCH	152 GAJEONG-RO YUSEONG-GU DAEJEON 305-343

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• C10L:FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYN....
• C10K:PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF....
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Baek, Il Hyun	Daejeon, KR	14	13
Nam, Sung Chan	Daejeon, KR	10	11

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	May 28, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 28, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 28, 2035

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 28, 2023	US,11826719,B2   US11826719B2	GRANTED PATENT AS SECOND PUBLICATION
August 22, 2023	US,11731103,B2   US11731103B2	GRANTED PATENT AS SECOND PUBLICATION

Full Text

US Patent Application No: 11826719

Hydrogen sulfide adsorbent in biogas and biogas purification system using the same

---

 

Legal Events