Squaraine based dyes and process for preparation thereof
The present invention relates to squaraine dye containing terminal aminoanthracene or acridine groups and to a process for preparation thereof.
- Year : 2001
- Granted Country : India
- Application Number : 09/962,082
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Patent Number :
- US6417402B1
- Invention Number :3
- Inventor Name :Sureshdas, George Thomas, VP Biju, V Santhosh and V suresh