Use of a Silica-Based Powder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 22, 2015
app pub date -
Nov 29, 2013
filing date -
Nov 30, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
The invention relates to the use of a ceramic-oxide powder for the production of a separator element for a lithium-ion battery, said ceramic-oxide powder having the following chemical composition, in percentages on the basis of the weight of the ceramic oxides, making up a total of 100%: SiO2>85%, Al2O3<10%, ZrO2<10%, other ceramic oxides<5%; said ceramic-oxide powder having a specific surface area of less than 40 m2/g and more than 5 m2/g; said oxide powder having a sphericity index of more than 0.8.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN | TOUR SAINT-GOBAIN 12 PLACE DE L'IRIS 92400 COURBEVOIE FRANCE |
International Classification(s)

- 2013 Application Filing Year
- C04B Class
- 1062 Applications Filed
- 979 Patents Issued To-Date
- 92.19 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
BOUSSANT-ROUX, Yves | Montfavet, FR | 48 | 929 |
# of filed Patents : 48 Total Citations : 929 | |||
LEVY, Caroline | Paris, FR | 10 | 17 |
# of filed Patents : 10 Total Citations : 17 | |||
NAHAS, Nabil | Serris, FR | 28 | 195 |
# of filed Patents : 28 Total Citations : 195 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- C04B Class
- 0 % this patent is cited more than
- 10 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 22, 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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Oct 07, 2019 | 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: SMALL ENTITY |
Oct 07, 2019 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Sep 04, 2019 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Sep 04, 2019 |
Apr 22, 2019 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Mar 04, 2015 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Mar 04, 2011 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 08, 2010 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SAXON, ANDREW;ZHANG, KE;ZHU, DAOCHENG;SIGNING DATES FROM 20101103 TO 20101201;REEL/FRAME:025478/0500 Owner name: THE REGENTS OF THE UNIVERSITY, CALIFORNIA |
Sep 04, 2007 | I | Issuance | |
Aug 15, 2007 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
May 01, 2003 | P | Published | |
May 01, 2001 | F | Filing | |
May 01, 2001 | PD | Priority Date | |
Apr 30, 2001 | AS | ASSIGNMENT | free format text: RE-RECORD TO CORRECT THE NAME OF THE THIRD ASSIGNOR, PREVIOUSLY RECORDED ON REEL 011777 FRAME 0157, ASSIGNOR CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.;ASSIGNORS:SAXON, ANDREW;ZHANG, KE;ZHU, DAOCHENG;REEL/FRAME:013253/0331 Owner name: REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE, CALI Effective Date: Apr 30, 2001 |
Apr 30, 2001 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE THIRD ASSIGNOR'S NAME, PREVIOUSLY RECORDED AT REEL 011777 FRAME 0157;ASSIGNORS:SAXON, ANDREW;ZHANG, KE;ZHU, DAUCHENG;REEL/FRAME:012096/0775 Owner name: REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE, CALI Effective Date: Apr 30, 2001 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SAXON, ANDREW;ZHANG, KE;ZHU, DAUCHENG;REEL/FRAME:011777/0157 Owner name: REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE, CALI Effective Date: Apr 30, 2001 |

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