公开(公告)号：US3288596A

公开(公告)日：1966-11-29

申请号：US39065764

申请日：1964-08-19

Applicant: ALLIED CHEM

Inventor： HOYT ERNEST B ,  FOLLOWS ALAN G

IPC: C22B34/32

CPC classification number: C22B34/32

公开(公告)号：US3664812A

公开(公告)日：1972-05-23

申请号：US3664812D

申请日：1970-03-16

Applicant: ALLIED CHEM

Inventor： HOYT ERNEST B

IPC: C01B15/013 ,  C01B15/02 ,  C07C49/68

CPC classification number: C01B15/013

Abstract: A METHOD FOR PURIFYING AQUEOUS ACIDIC SOLUTIONS OF HYDROGEN PEROXIDE PREPARED BY AN ORGANIC ANTHRAQUINONE PROCESS WHICH COMPRISES THE ADDITION TO SAID SOLUTION OF AN OXIDE OR HYDROXIDE OF MAGNESIUM, CALCIUM, OR BARIUM EITHER AS A SOLID OR AS AN AQUEOUS SOLUTION IN AN AMOUNT TO RAISE THE PH OF THE SOLUTION TO ABOUT 6 TO 8.5 TO EFFECT PRECIPITATION OF THE IMPURITIES AND RECOVERING AN ESSENTIALLY PURE, STABLE HYDROGEN PEROXIDE SOLUTION.

公开(公告)号：US3309172A

公开(公告)日：1967-03-14

申请号：US40722264

申请日：1964-10-28

Applicant: ALLIED CHEM

Inventor： HARTFORD WINSLOW H ,  HOYT ERNEST B

IPC: C01G37/04

CPC classification number: C01G37/04

公开(公告)号：US3305303A

公开(公告)日：1967-02-21

申请号：US40723464

申请日：1964-10-28

Applicant: ALLIED CHEM

Inventor： HARTFORD WINSLOW H ,  HOYT ERNEST B

IPC: C01G37/04

CPC classification number: C01G37/04

公开(公告)号：US2767051A

公开(公告)日：1956-10-16

申请号：US36384153

申请日：1953-06-24

Applicant: ALLIED CHEM & DYE CORP

Inventor： FOLLOWS ALAN G ,  HOYT ERNEST B ,  SMITH EARL W

IPC: C01D7/18

CPC classification number: C01D7/18