Patent ID: 11859087
Assignee: SUZHOU BAIYUAN GENT CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 14:
15. The method of preparing fluorescence-encoded microspheres according to claim 14, wherein:
in the step (1), a molar ratio of phenylhydrazine to 3-methyl-2-butanone is 1:(1.0-1.2);
in the step (2), a molar ratio of the intermediate I-1 to 1,2-dibromoethylene is 1:(1.5-2.0);
in the step (3), a molar ratio of the cyclohexanone, N,N-dimethylformamide, and phosphorus oxychloride is 1:(1.0-1.1):(1.0-1.05).