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

Patent Owner(s)

Patent Owner	Address
OTTAWA HOSPITAL RESEARCH INSTITUTE	OTTAWA ONTARIO K1H 8L6

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS
• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• 2014 Application Filing Year
• A61K Class
• 14144 Applications Filed
• 11600 Patents Issued To-Date
• 82.02 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bell, John	Ottawa, CA	81	1130
# of filed Patents : 81 Total Citations : 1130
Diallo, Jean-Simon	Ottawa, CA	16	16
# of filed Patents : 16 Total Citations : 16
Le, Boeuf Fabrice	Gatineau, CA	13	30
# of filed Patents : 13 Total Citations : 30

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• 0 Citation Count
• A61K Class

• 0 % this patent is cited more than
• 9 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 15, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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
March 15, 2016	US,9283254,B2   US9283254B2	GRANTED PATENT AS SECOND PUBLICATION
July 23, 2015	US,20150202240,A1   US20150202240A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6153553

Process for the polymerization of alpha olefins using a new aluminophosphate support

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Abstract

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Novel catalysts are provided for the polymerization of olefins such as ethylene. These catalysts comprise a novel amorphous aluminophosphate comprising, on a microlevel, sheets of aluminophosphate as well as spheres of aluminophosphate plus a chromium compound. These new catalysts are surprisingly active; result in more co-monomer incorporation than prior art catalysts and reduce the amount of low molecular weight material in the product.

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Description

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Claims

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Legal Events

 

• STCH2004
• LAPS2004
• LAPS2004
• FP2004
• REMI2004
• I2000
• F2000
• PD1998

Date	Code	Event	Description
Dec 29, 2004	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Dec 29, 2004	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Nov 29, 2004	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Nov 28, 2004	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Nov 28, 2004
Jun 16, 2004	REMI	MAINTENANCE FEE REMINDER MAILED
Nov 28, 2000	I	Issuance
Jan 11, 2000	F	Filing
Oct 01, 1998	PD	Priority Date