公开(公告)号：US3429789A

公开(公告)日：1969-02-25

申请号：US3429789D

申请日：1965-10-19

Applicant: LEA RONAL INC

Inventor： OSTROW BARNET D ,  NOBEL FRED I

IPC: C25D3/16 ,  C23B5/08

CPC classification number: C25D3/16

公开(公告)号：US3672969A

公开(公告)日：1972-06-27

申请号：US3672969D

申请日：1970-10-26

Applicant: LEA RONAL INC

Inventor： NOBEL FRED I ,  OSTROW BARNET D

IPC: C25D3/48 ,  C25D3/62 ,  C23B5/42 ,  C23B5/28 ,  C23B5/46

CPC classification number: C25D3/48 ,  C25D3/62

Abstract: ORGANO-PHOSPHORUS COMPOUNDS AND THEIR WATER SOLUBLE SALTS ARE INCORPORATED INTO AQUEOUS SOLUBLE CYANIDE GOLD OR GOLD ALLOY PLATING BATHS.

公开(公告)号：US3414493A

公开(公告)日：1968-12-03

申请号：US49808465

申请日：1965-10-19

Applicant: LEA RONAL INC

Inventor： NOBEL FRED I ,  OSTROW BARNET D

IPC: C07D277/74 ,  C25D3/38

CPC classification number: C07D277/74 ,  C25D3/38

公开(公告)号：US3869358A

公开(公告)日：1975-03-04

申请号：US41281773

申请日：1973-11-05

Applicant: LEA RONAL INC

Inventor： NOBEL FRED I ,  OSTROW BARNET D

IPC: C25D3/22 ,  C25D3/24 ,  C23B5/46 ,  C23B5/10

CPC classification number: C25D3/24 ,  C25D3/22

Abstract: An aqueous alkaline zinc bath is used for electroplating bright metallic zinc deposits on metal substrates said plating bath containing less than about 2 oz./gal. of cyanide therein, and comprising an aqueous alkaline solution having dissolved therein a soluble zinc compound capable of being plated by electrolytic deposition and a water soluble reaction product of an amine and an epihalohydrin containing recurring tertiary and/or quaternary amine groups and having a molecular weight above about 250 in an amount from at least about 0.1 gm./liter.

Abstract translation: 电镀碱性锌浴用于在金属基底上电镀明亮的金属锌沉积物，所述镀浴含有小于约2盎司/ 的氰化物，并且包含其中溶解有能够通过电解沉积进行镀覆的可溶性锌化合物的水性碱性溶液和含有重复的叔和/或季胺基团并具有分子量的胺和表卤代醇的水溶性反应产物 高于约250，至少约0.1gm /升。