Patent · US Active

Gold alloy electrolytes

US8142637B2 · kind B2 · utility

0Cited by

24References

3Claims

0Family size

Assignee

Rohm and Haas Electronic Materials LLC · US

Inventors

Andre Egli · Emmen, CH
Wing Kwong Wong · Tuen Mun, CN
Raymund W. M. Kwok · Kowloon, CN
Jochen Heber · Karlstadt, DE

Key dates

Filing date	Aug 3, 2011
Grant date	Mar 27, 2012
Priority date	—
Expiry date	Aug 3, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31678
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Compositions and methods for depositing gold alloys are disclosed. The compositions include certain dithiocarboxylic acids, salts and esters thereof and mercapto group containing compounds which provide bright gold alloy deposits with uniform color.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.