Title:
【発明の名称】電気メッキ用助剤としての2―置換エタンスルホン化合物の使用
Document Type and Number:
Japanese Patent JP2505281
Kind Code:
B2
Abstract:
Use of 2-substituted ethanesulphone compounds of the general formula I …… and their alkali metal or ammonium salts, where A… 1.) is a pyridinium radical …… whose substituents R1 and R2 denote hydrogen or a C1-C3-lower alkyl radical, or R1 and R2, together with the pyridinium radical, form a condensed 6-membered aromatic ring, or… 2.) A is a mercapto radical -S-R4 in which R4 is hydrogen or the group …… and R3 represents a C1-C4-lower alkyl radical,… as galvanic auxiliary agents, in particular brighteners and levellers.
Inventors:
UORUFUGANGU KURAUSU
UERUNAA KURUTSU
FUERUDEINANTO RAIFUERUTO
UIRII UAAZENBERUKU
UERUNAA KURUTSU
FUERUDEINANTO RAIFUERUTO
UIRII UAAZENBERUKU
Application Number:
JP12904889A
Publication Date:
June 05, 1996
Filing Date:
May 24, 1989
Export Citation:
Assignee:
RASHIIGU AG
International Classes:
C25D3/02; C25D3/12; C25D3/38; (IPC1-7): C25D3/02; C25D3/12; C25D3/38
Domestic Patent References:
| JP473159A | ||||
| JP523071A | ||||
| JP552799A | ||||
| JP57188693A | ||||
| JP6438057A |
Other References:
【文献】米国特許2876177(US,A)
Attorney, Agent or Firm:
Haruo Hamada