Storage stable solutions of optical brighteners

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United States of America Patent

PATENT NO 8221588
APP PUB NO 20100159763A1
SERIAL NO

11989993

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
ARCHROMA IP GMBH4153 REINACH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farrar, John Martin Leeds, GB 9 84
Jackson, Andrew Clive Harrogate, GB 27 125
Mahon, Margaret Bradford, GB 2 8

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  • 2 Citation Count
  • C07D Class
  • 22.36 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges634168231110844261648301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80100 +0100200300400500600700800900100011001200130014001500160017001800

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