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:
Feb. 03, 1987
Filed:
Jul. 01, 1985
Applicant:
Inventors:
Michael E Hayes, Fernandina Beach, FL (US);
Craig C Hood, Fernandina Beach, FL (US);
Ronald E Miller, Fernandina Beach, FL (US);
Robert Sharpe, Fernandina Beach, FL (US);
Assignee:
Petroleum Fermentations N.V., Curacao, AN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23G / ;
U.S. Cl.
CPC ...
134 40 ; 134 42 ;
Abstract
Methods and compositions are provided for the removal of rosin soldering flux and adhesive tape residues from printed circuit and/or wiring boards, and for testing the quality of curing of U.V.-cured soldermask on such boards. The compositions of the invention contain terpene compounds, preferably in combination with terpene emulsifying surfactants to facilitate removal by rinsing in water.