公开(公告)号：US3296148A

公开(公告)日：1967-01-03

申请号：US50771265

申请日：1965-11-15

Applicant: FMC CORP

Inventor： TALBERT NORBERT E ,  RIZZO JOHN J

IPC: C07C51/573

CPC classification number: C07C51/573 ,  C07C61/24 ,  C07C57/145 ,  C07C61/09 ,  C07C61/40 ,  C07C63/313

公开(公告)号：US3312636A

公开(公告)日：1967-04-04

申请号：US16458762

申请日：1962-01-05

Applicant: FMC CORP

Inventor： RIZZO JOHN J

IPC: C08G59/34 ,  C08G59/56 ,  C08K5/18 ,  C08K5/51

CPC classification number: C08G59/027 ,  C08G59/56 ,  C08K5/18 ,  C08K5/51 ,  C08L63/08

公开(公告)号：US3624048A

公开(公告)日：1971-11-30

申请号：US3624048D

申请日：1970-05-18

Applicant: FMC CORP

Inventor： BLUMBERGS JOHN H ,  RIZZO JOHN J ,  MACKELLAR DONALD G

IPC: C07C309/17 ,  C08F8/00 ,  C08F8/12 ,  C08F8/34 ,  C08F8/36 ,  C11D3/00 ,  C11D3/37 ,  C08F27/06 ,  C08F29/34

CPC classification number: C11D3/3761 ,  C07C309/00 ,  C08F8/00 ,  C08F8/34 ,  C11D3/378 ,  C08F20/02

Abstract: Poly(maleic anhydride)s are sulfonated to produce more soluble detergent builders without loss of detergency building properties.

公开(公告)号：US3637609A

公开(公告)日：1972-01-25

申请号：US3637609D

申请日：1970-06-01

Applicant: FMC CORP

Inventor： BLUMBERGS JOHN H ,  FINLEY JOSEPH H ,  RIZZO JOHN J

IPC: C08F8/00 ,  C11D3/00 ,  C11D3/37 ,  C08F27/04

CPC classification number: C11D3/3761 ,  C08F8/00 ,  C08F20/02

Abstract: THE SODIUM SALT OF POLY(MALEIC ACID), USEFUL AS A DETERGENT BUILDER, IS PREPARED BY HYDROLYZING POLY(MALEIC ANHYDRIDE) WITH WATER AT 60 TO 80*C., AND SIMULTANEOUSLY ADDING THE AQUEOUS SOLUTION AND A SOURCE OF SODIUM OXIDE INTO A HEEL OF WATER AT PH 9.2 TO 10.6, MAITAINING THIS PH THROUGHOUT THE ADDITION THEN BLEACHING THE SLURRY, AND RECOVERING THE SALT.