Storage stable solutions of optical brighteners
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United States of America Patent
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Nov 25, 2014
Grant Date -
Nov 25, 2010
app pub date -
Dec 9, 2008
filing date -
Dec 9, 2008
priority date (Note) -
Withdrawn
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 and of organic acids which do not need extra solubilizing additives.
First Claim
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International Classification(s)
- 2008 Application Filing Year
- C09K Class
- 1266 Applications Filed
- 681 Patents Issued To-Date
- 53.80 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C09K Class
- 0 % this patent is cited more than
- 11 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 22, 2026 |