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

Patent Owner(s)

Patent Owner	Address
SOLVENTUM INTELLECTUAL PROPERTIES COMPANY	2510 CONWAY AVE E 3M CENTER 275-6E-21 MAPLEWOOD MN 55144

International Classification(s)

• C12Q:MEASURING OR TESTING PROCESSES INVOLVING ENZYMES O....
• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Foltz, William E	Cottage Grove, US	26	668
# of filed Patents : 26 Total Citations : 668
Jing, Naiyong	Woodbury, US	264	4890
# of filed Patents : 264 Total Citations : 4890
Witcher, Kelvin J	Hudson, US	15	203
# of filed Patents : 15 Total Citations : 203

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Patent Citation Ranking

• 5 Citation Count
• C12Q Class

• 52.11 % this patent is cited more than
• 8 Age

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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	Nov 16, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 16, 2028

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 16, 2017	US,9650661,B2   US9650661B2	GRANTED PATENT AS SECOND PUBLICATION
March 24, 2016	US,20160083771,A1   US20160083771A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9650661

Nanostructured spore carrier

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Abstract

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Spore carriers suitable for use in biological indicators are described. The spore carriers include a substrate such as polymeric film or non-woven web with a hydrophilic nanostructured layer bonded to it. Spores are bonded to the nanostructured layer. Nanostructured layers including nanoparticles, such as acid-sintered silica nanoparticles are described. Biological indicators including such spore carriers are also described.

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Description

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Claims

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Legal Events

 

• MAFP2024
• AS2024
• MAFP2020
• CC2017
• I2017
• STCF2017
• P2016
• AS2015
• F2014

Date	Code	Event	Description
Oct 23, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Feb 01, 2024	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:3M INNOVATIVE PROPERTIES COMPANY;REEL/FRAME:066435/0654 Owner name: SOLVENTUM INTELLECTUAL PROPERTIES COMPANY, MINNESOTA Effective Date: Feb 01, 2024
Oct 02, 2020	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 07, 2017	CC	CERTIFICATE OF CORRECTION
May 16, 2017	I	Issuance
Apr 26, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 24, 2016	P	Published
Nov 30, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WITCHER, KELVIN J.;FOLTZ, WILLIAM E.;JING, NAIYONG;REEL/FRAME:037197/0715 Owner name: 3M INNOVATIVE PROPERTIES COMPANY, MINNESOTA Effective Date: Nov 30, 2015
May 13, 2014	F	Filing