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

Patent Owner(s)

Patent Owner	Address
DEN NORSKE STATS OLIESELSKAP	STAVANGER

International Classification(s)

• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Akporiaye, Duncan	Oslo, NO	8	94
# of filed Patents : 8 Total Citations : 94
Olsbye, Unni	Oslo, NO	11	81
# of filed Patents : 11 Total Citations : 81
Ronnekleiv, Morten	Trondheim, NO	6	48
# of filed Patents : 6 Total Citations : 48
Rytter, Erling	Trondheim, NO	43	1002
# of filed Patents : 43 Total Citations : 1002

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Patent Citation Ranking

• 8 Citation Count
• B01J Class

• 4.56 % this patent is cited more than
• 20 Age

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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

Full Text

US Patent No: 6967182

Catalysts consisting of metals on hydrotalcite-based carrier materials, and method for the preparation thereof

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Abstract

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The present invention relates to a catalyst comprising at least one metal loaded on a hydrotalcite-based carrier material which has the following formula in its uncalcined form: M2+aM3+b(An-)(OH)2a+3b-n*xH2O, wherein M2+ is at least one divalent metal; and M3+ is at least one trivalent metal; A is an n-valent anion, n is 1 or 2 and a and b are positive numbers, a>b. When said at least one metal is selected from the group VIII of the periodical system of the elements a useful (de)hydrogenation catalyst is achieved.

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Description

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Claims

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Legal Events

 

• STCH2009
• FP2009
• LAPS2009
• REMI2009
• FEPP2005
• I2005
• AS2001
• F1999
• PD1998

Date	Code	Event	Description
Dec 21, 2009	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Nov 22, 2009	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Nov 22, 2009
Nov 22, 2009	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jun 01, 2009	REMI	MAINTENANCE FEE REMINDER MAILED
Dec 03, 2005	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Nov 22, 2005	I	Issuance
Oct 03, 2001	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OLSBYE, UNNI;AKPORIAYE, DUNCAN;RYTTER, ERLING;AND OTHERS;REEL/FRAME:012220/0550;SIGNING DATES FROM 20010813 TO 20010820 Owner name: DEN NORSKE STATS OLIESELSKAP, NORWAY
Dec 22, 1999	F	Filing
Dec 23, 1998	PD	Priority Date