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. 15, 1993
Filed:
Jan. 14, 1992
Applicant:
Inventors:
Masaru Sugita, Osaka, JP;
Yoshiaki Horiuchi, Osaka, JP;
Shinichiro Shiozu, Osaka, JP;
Hideo Horii, Tama, JP;
Katsumi Omura, Kashima, JP;
Noriaki Kumagai, Kashima, JP;
Assignees:
Nagase & Company, Ltd., Osaka, JP;
Kuraray Co., Ltd., Okayama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23G / ;
U.S. Cl.
CPC ...
134-2 ; 134 26 ; 134 40 ; 134 42 ; 252162 ;
Abstract
A cleaning composition which comprises dimethylcyclooctadienes is disclosed. There is further disclosed a method of cleaning printed circuit boards or printed wiring boards, which comprises: contacting the board with a composition comprising dimethylcyclooctadienes and 2-20% by weight of a surfactant; rinsing the board with water; and drying the board.