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:
Nov. 23, 1993
Filed:
Jun. 10, 1992
Applicant:
Inventors:
Anthony E Winston, East Brunswick, NJ (US);
Francis R Cala, Highland Park, NJ (US);
Steven E Dunn, Hillsborough, NJ (US);
Alfredo Vinci, Dayton, NJ (US);
M Stephen Lajoie, Basking Ridge, NJ (US);
Assignee:
Church & Dwight Co., Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 42 ; 134-2 ; 134 40 ; 252135 ;
Abstract
The present invention relates to environmentally safe aqueous flux removing compositions for cleaning electronic circuit assemblies, such as printed circuit or printed wiring boards, during their fabrication. Alkaline salts are utilized preferably with various adjuvants, such as an anti-corrosion agent and antifoam agent to achieve a variety of objectives, among which are the removal of solder flux, oils, waxes, and greasy substances and adhesive and other residues.