Storage stable solutions of optical brighteners
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 17, 2012
Grant Date -
Jun 24, 2010
app pub date -
Jul 12, 2006
filing date -
Aug 4, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The instant invention relates to storage stable solutions of optical brighteners based on certain salt forms of anilino-substituted bistriazinyl derivatives of 4,4′-diaminostilbene-2,2′-disulphonic acid which do not need extra solubilising additives.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ARCHROMA IP GMBH | 4153 REINACH |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Farrar, John Martin | Leeds, GB | 9 | 84 |
# of filed Patents : 9 Total Citations : 84 | |||
Jackson, Andrew Clive | Harrogate, GB | 27 | 125 |
# of filed Patents : 27 Total Citations : 125 | |||
Mahon, Margaret | Bradford, GB | 2 | 8 |
# of filed Patents : 2 Total Citations : 8 |
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Patent Citation Ranking
- 2 Citation Count
- C07D Class
- 22.36 % 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

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Date | Code | Event | Description |
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Aug 12, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Mar 13, 2018 | I | Issuance | |
Mar 13, 2018 | PD | Priority Date | |
Feb 21, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
May 18, 2017 | P | Published | |
Feb 16, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:THORNTON, DOUGLAS A.;CONTINI, VINCENT J.;GEORGE, PAUL E., II;SIGNING DATES FROM 20140613 TO 20140620;REEL/FRAME:041273/0096 Owner name: BATTELLE MEMORIAL INSTITUTE, OHIO |
Jan 27, 2017 | F | Filing |

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