Method and device for synovial cell-charged collagen membrane or gel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 23, 2012
Grant Date -
Nov 13, 2008
app pub date -
Oct 23, 2006
filing date -
Oct 24, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An implant for repair of a cartilaginous defect in a subject includes a collagen matrix charged with synovial cells. A method preparing an implant for repair of a cartilaginous defect in a subject includes obtaining a fluid containing synovial cells and charging the synovial cells to the matrix. A device for preparing a cell-charged implant includes a first chamber and a second chamber, the first and second chambers being separated by a membrane and a perforated filter. The membrane is adapted to collect cells from a cell-containing fluid introduced into the first chamber and the perforated filter is adapted to permit passage or diffusion of the fluid through the second chamber. A method for preparing a cell-charged implant utilizes the device.
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 | |
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ED GEISTLICH SOEHNE AG FUER CHEMISCHE INDUSTRIE | BAHNHOFSTRASSE 40 CH-6110 WOLHUSEN |
International Classification(s)

- 2006 Application Filing Year
- C12N Class
- 3350 Applications Filed
- 1438 Patents Issued To-Date
- 42.93 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Schaefer, Birgit | Schuepfheim, CH | 5 | 1 |
# of filed Patents : 5 Total Citations : 1 | |||
Schloesser, Lothar | Darmstadt, DE | 21 | 662 |
# of filed Patents : 21 Total Citations : 662 |
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Patent Citation Ranking
- 0 Citation Count
- C12N Class
- 0 % this patent is cited more than
- 13 Age
Forward Cite Landscape
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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 |
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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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Jan 25, 2018 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jun 18, 2000 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jun 18, 2000 |
Jun 18, 2000 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Jan 11, 2000 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Jun 18, 1996 | I | Issuance | |
Nov 02, 1995 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jul 13, 1994 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GENIS, LEONHARD;LOUW, GERARD;REEL/FRAME:007077/0113 Owner name: ATOMIC ENERGY CORPORATION OF SOUTH AFRICA LIMITED, Effective Date: Jul 13, 1994 |
May 23, 1994 | F | Filing | |
May 24, 1993 | PD | Priority Date |

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