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. 30, 1981
Filed:
Jun. 26, 1979
Applicant:
Inventors:
Peter Bakos, Endicott, NY (US);
Gerald A Bendz, Vestal, NY (US);
Russell E Darrow, Newark Valley, NY (US);
Dennis L Rivenburgh, Endicott, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
252158 ; 252156 ; 252170 ; 252171 ; 252 795 ; 252364 ; 252D / ; 134 38 ; 134 40 ; 427 82 ; 427 88 ; 427 96 ; 427299 ; 427300 ;
Abstract
A cleaning composition which includes N-methyl-2-pyrrolidone and an alkanolamine, and use thereof for cleaning substrates.