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:
Oct. 30, 1984
Filed:
Mar. 23, 1984
Martin Thoma, Munich, DE;
Paul Buenger, Munich, DE;
MTU Motoren-und Turbinen-Union Muenchen GmbH, Munich, DE;
Abstract
A bath or electrolyte for the galvanic deposition of a metal matrix layer having embedded therein particles of a non-metallic substance, comprises a stabilizer for keeping such non-metallic substances uniformly suspended in the bath for the duration of the electrolysis. The suspension stabilizer is a cation active imidazole derivative satisfying the general formula ##STR1## wherein R.sup.1 is preferably a monovalent, saturated or unsaturated hydrocarbon radical having at least four aliphatically bound C-atoms, R.sup.2 is a methylene (carbene), or ethylene, or propylene or isopropylene group, and wherein X is selected from --NH.sub.2, --NHR.sup.3, --NR.sup.3 R.sup.4, --OH, or OR.sup.5, whereby R.sup.3, R.sup.4 and R.sup.5 are methyl, ethyl, or propyl or polyglycolether radicals having up to five --O--CH.sub.2 --CH.sub.2 groups.