Chemical gilding bath

Details Chemical gilding bath Chemical gilding bath

1983-08-25

1984-11-06

Hoke, Veronica P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

427437, 4274431, C23C 302

Patent

active

044810350

ABSTRACT:
A chemical gilding bath is formulated on the basis of an alkaline, aqueous solution of an alkali gold cyanide complex and has a reducing agent and a stabilizing agent therein. The reducing agent is an organic compound containing at least one enol group within the molecular structure thereof, such as ascorbic acid or salts thereof. The pH value of the bath is adjusted by a buffer solution so as to range between about 7.5 to 12 and preferably is about 8.

REFERENCES:
patent: 3403035 (1968-09-01), Schneble et al.
patent: 3597267 (1971-08-01), Mallory et al.
patent: 4337091 (1982-06-01), El-Shazly et al.
patent: 4374876 (1983-02-01), El-Shazly et al.
Okinaka et al., Plating & Surface Finishing, 57, 914, (1970).
Okinaka et al., Plating & Surface Finishing, 58, 1080, (1971).
Feldstein, "Electroless (Autocatalytic) Plating" Metal Finishing Guidebook and Directory, 1981 issue, pp. 504, 506, 508, 510, 512.

Affiliated with

Also associated with

Rating

Chemical gilding bath does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chemical gilding bath, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chemical gilding bath will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1041010