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• 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 34129
INDIAN PETROCHEMICALS CORPORATION LTD	VADODARA DISTRICT BARODA 391346 GUJARAT

International Classification(s)

• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brakash, Kumar	Gujarat, IN	1	18
Cho, Soon-Haeng	Daejeon-Si, KR	9	56
Chue, Kuck-Tack	Daejeon-Si, KR	5	46
Han, Sang-Sup	Seoul, KR	14	34
Kim, Jong-Nam	Daejeon-Si, KR	17	67
Nettem, Venkateswarlu Choudary	Vadodara, IN	25	76

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
October 22, 2002	US,6468329,B2   US6468329B2	GRANTED PATENT AS SECOND PUBLICATION
January 17, 2002	US,20020005118,A1   US20020005118A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6468329

Adsorbents and methods for the separation of ethylene and propylene and/or unsaturated hydrocarbons from mixed gases

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