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:
Aug. 24, 1993
Filed:
Sep. 27, 1991
Applicant:
Inventor:
Richard G Henry, Mayfield Heights, OH (US);
Assignee:
Advanced Research Technologies, Park Ridge, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C23G / ;
U.S. Cl.
CPC ...
134 40 ; 134 42 ; 252170 ; 252D / ;
Abstract
A blend of terpene hydrocarbons and aliphatic or cyclic ketones are used for the effective cleaning of electrical contacts. Such terpenes blended with ketone solvents have high dielectric strength, fast evaporation rate, and biodegradability making the proposed mixture an ideal substitute for the cleaning of electrical contacts in the electrical utility industry and for the cleaning of printed circuit boards in the electronics industry.