Step 17: Brevetti e Innovazioni (Blind Step)

(JP2002121413) "METHOD OF PRODUCING CERULEAN PIGMENT"       

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Abstract:

PROBLEM TO BE SOLVED: To obtain a cerulean pigment that has high color saturation and high clarity. SOLUTION: A mixture of ground -type copper phthalocyanin (A) and ground -type copper phthalocyanin (B) or a ground product or a mixture of -type copper phthalocyanin (A) and -type copper phthalocyanin (B) is ground and the resultant ground pigment mixture is pigmented to give the objective cerulean pigment.

Immagine pigmento ceruleo

Application number:  2000317800

Application Date:      10.10.2000

Publication number:  2002121413

Publication Date:       23.04.2002

Publication kind:       A

Priority Data:   2000317800 18.10.2000 JP

                                     C09B 67/12

                                     C09B 47/67

             IPC:                 C09B 67/20

                                     C09D 11/2

                                     C09B 67/4

Applicants:   DAINIPPON INK & CHEM INC

Inventors:     KATSUBE HIROSHI, ARAI AIKO.

Fonti: "Patentscope"