Magnetic Glass Particles, Method for Their Preparation and Uses Thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
N/A
app pub date -
Feb 13, 2012
filing date -
Jun 8, 1995
priority date (Note) -
Abandoned
status (Latency Note)
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Non-US Coverage
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Abstract
This invention relates to magnetic particles having a glass surface which are substantially spherical. This invention also relates to methods for making them, as well as to suspensions thereof and their uses for the purification of DNA or RNA in particular in automated processes.
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 | |
---|---|---|
ROCHE DIAGNOSTICS GMBH | 68305 MANNHEIM |
International Classification(s)

- 2012 Application Filing Year
- C03B Class
- 426 Applications Filed
- 333 Patents Issued To-Date
- 78.17 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Geiger, Albert | Penzberg, DE | 26 | 560 |
# of filed Patents : 26 Total Citations : 560 | |||
Riedling, Michael | Penzberg, DE | 13 | 167 |
# of filed Patents : 13 Total Citations : 167 | |||
Weindel, Kurt | Wielenbach-Hardt, DE | 14 | 280 |
# of filed Patents : 14 Total Citations : 280 |
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Patent Citation Ranking
- 0 Citation Count
- C03B Class
- 0 % this patent is cited more than
- 13 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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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 |
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