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

Patent Owner(s)

Patent Owner	Address
RESEARCH TRIANGLE INSTITUTE	3040 EAST CORNWALLIS ROAD RESEARCH TRIANGLE PARK NC 27709

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
Denton, David L	Kingsport, US	5	18
Gupta, Raghubir P	Durham, US	19	241
Gupta, Vijay	Cary, US	39	325
Paliwal, Himanshu	Durham, US	4	12
Turk, Brian S	Durham, US	16	140

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 21, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 21, 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

Full Text

US Patent Application No: 2019/0352,177

INTEGRATED SYSTEM AND METHOD FOR REMOVING ACID GAS FROM A GAS STREAM

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