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

Patent Owner(s)

Patent Owner	Address
DSM NUTRITIONAL PRODUCTS AG	4303 KAISERAUGST

International Classification(s)

• C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....

• 2007 Application Filing Year
• C12P Class
• 1944 Applications Filed
• 898 Patents Issued To-Date
• 46.20 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barrow, James Colin	Torquay, AU	5	8
# of filed Patents : 5 Total Citations : 8
Burja, Adam M	Palo Alto, US	10	91
# of filed Patents : 10 Total Citations : 91
Radianingtyas, Helia	Palo Alto, US	9	110
# of filed Patents : 9 Total Citations : 110

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Patent Citation Ranking

• 4 Citation Count
• C12P Class

• 46.51 % this patent is cited more than
• 10 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	Nov 5, 2026

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
May 05, 2015	US,9023616,B2   US9023616B2	GRANTED PATENT AS SECOND PUBLICATION
November 11, 2010	US,20100285105,A1   US20100285105A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9814656

Porous resin particles, method of manufacturing porous resin particles, and use of porous resin particles

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Abstract

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Disclosed are porous resin particles which contain a polymer of a monomer mixture containing, as monomers, at least a monofunctional (meth)acrylic acid ester and a crosslinking monomer. The monofunctional (meth)acrylic acid ester accounts for 1 wt % to 50 wt % of the monomer mixture, and the crosslinking monomer accounts for 50 wt % to 99 wt % of the monomer mixture. The porous resin particles have a specific surface area of 190 m²/g to 300 m²/g and a bulk specific gravity of 0.25 g/mL to 0.45 g/mL.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2021
• I2017
• STCF2017
• P2015
• AS2014
• F2013
• PD2012

Date	Code	Event	Description
Apr 28, 2021	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Nov 14, 2017	I	Issuance
Oct 25, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jan 29, 2015	P	Published
Aug 29, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAMA, YUKIO;OKAMOTO, KOICHIRO;HIROI, JUNKO;REEL/FRAME:033658/0592 Owner name: SEKISUI PLASTICS CO., LTD., JAPAN Effective Date: Aug 29, 2014
Mar 29, 2013	F	Filing
Sep 26, 2012	PD	Priority Date