The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 1992
Filed:
Apr. 08, 1991
Applicant:
Inventors:
Assignee:
Nippon Piston Ring Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
205109 ; 205259 ;
Abstract
A composite plating bath prepared by adding an agent of boron compounds, such as trimethylamine-borane, dimethylamine-borane and sodium borohydride, by an amount of 0.1 to 10 grams/liter, preferably 1 to 8 grams/liter to a usual nickel electroplating bath having an aqueous acidic solution of at least one nickel salt and micron size particles of at least one water-insoluble material.