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

Patent Owner(s)

Patent Owner	Address
SI DIAMOND TECHNOLOGY INC	12100-A TECHNOLOGY BLVD AUSTIN TX 78727

International Classification(s)

• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• 2003 Application Filing Year
• B32B Class
• 4674 Applications Filed
• 1705 Patents Issued To-Date
• 36.48 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Li, Yunjun	Austin, TX	50	1116
# of filed Patents : 50 Total Citations : 1116
Pavlovsky, Igor	Austin, TX	36	551
# of filed Patents : 36 Total Citations : 551

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Patent Citation Ranking

• 20 Citation Count
• B32B Class

• 56.83 % this patent is cited more than
• 18 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
July 17, 2007	US,7244513,B2   US7244513B2	GRANTED PATENT AS SECOND PUBLICATION
August 26, 2004	US,20040166319,A1   US20040166319A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7244513

Stain-etched silicon powder

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Abstract

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The present invention is for a porous silicon powder comprising silicon particles wherein the outermost layers of said particles are porous. The present invention is also directed to a method of making this porous silicon powder using a stain etch method. The present invention is also directed to a method of making silicon nanoparticles from the porous silicon powders using a process of ultrasonic agitation. The present invention also includes methods of processing these silicon nanoparticles for use in a variety of applications.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2015
• FP2015
• LAPS2015
• REMI2015
• FPAY2011
• FEPP2008
• I2007
• P2004
• AS2003
• F2003
• PD2003

Date	Code	Event	Description
Aug 17, 2015	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Jul 17, 2015	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Jul 17, 2015
Jul 17, 2015	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Feb 27, 2015	REMI	MAINTENANCE FEE REMINDER MAILED
Jan 18, 2011	FPAY	FEE PAYMENT	year of fee payment: 4
Oct 31, 2008	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Jul 17, 2007	I	Issuance
Aug 26, 2004	P	Published
Jul 07, 2003	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LI, YUNJUN;PAVLOVSKY, IGOR;REEL/FRAME:014248/0790;SIGNING DATES FROM 20030612 TO 20030613 Owner name: SI DIAMOND TECHNOLOGY, INC., TEXAS
Feb 21, 2003	F	Filing
Feb 21, 2003	PD	Priority Date