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

Patent Owner(s)

Patent Owner	Address
VIRESCO AD LLC	5816 AYRSHIRE BLVD EDINA MN 55436

International Classification(s)

• C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• 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
Hogen, Delman R	7813 NE. Madison St.	9	115
# of filed Patents : 9 Total Citations : 115
Lighthart, Jeffrey W	2521 Cedar Hills Dr.	4	27
# of filed Patents : 4 Total Citations : 27
McTavish, Hugh	429 Birchwell Courts	34	175
# of filed Patents : 34 Total Citations : 175
Offerman, John D	330 Silver Meadow Dr.	9	117
# of filed Patents : 9 Total Citations : 117

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Patent Citation Ranking

• 0 Citation Count
• C12P Class

• 0 % this patent is cited more than
• 16 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 24, 2009	US,7622285,B2   US7622285B2	GRANTED PATENT AS SECOND PUBLICATION
January 31, 2008	US,20080026443,A1   US20080026443A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9802870

Method of treating ceramic fibers by phosphating

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Abstract

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A method of treating silicon carbide fibers comprises phosphating heat treatment in a reactive gas so as to form a coating around each fiber for protection against oxidation. The coating comprises a surface layer of silicon pyrophosphate crystals and at least one underlying bilayer system comprising a layer of a phosphosilicate glass and a layer of microporous carbon.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2021
• STCH2021
• FP2021
• FEPP2021
• I2017
• STCF2017
• AS2016
• AS2014
• P2014
• F2012
• PD2011

Date	Code	Event	Description
Dec 06, 2021	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
Dec 06, 2021	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Oct 31, 2021	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Oct 31, 2021
Jun 21, 2021	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 31, 2017	I	Issuance
Oct 11, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 11, 2016	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:HERAKLES;REEL/FRAME:046678/0455 Owner name: SAFRAN CERAMICS, FRANCE Effective Date: Aug 11, 2016
Dec 23, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MAZERAT, STEPHANE;PAILLER, RENE;LOISON, SYLVIE;AND OTHERS;SIGNING DATES FROM 20141204 TO 20141205;REEL/FRAME:034580/0427 Owner name: HERAKLES, FRANCE free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MAZERAT, STEPHANE;PAILLER, RENE;LOISON, SYLVIE;AND OTHERS;SIGNING DATES FROM 20141204 TO 20141205;REEL/FRAME:034580/0427 Owner name: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, FRAN
Oct 23, 2014	P	Published
Nov 27, 2012	F	Filing
Dec 14, 2011	PD	Priority Date