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. 20, 1990
Filed:
Nov. 18, 1988
Applicant:
Inventors:
Richard G Armant, Vestal, NY (US);
Edward L Arrington, Owego, NY (US);
Anilkumar C Bhatt, Johnson City, NY (US);
Donald M Egleton, Endicott, NY (US);
Frederick M Ortloff, Binghamton, NY (US);
Joseph J Sniezek, Endwell, NY (US);
John A Welsh, Binghamton, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252143 ; 252162 ; 252170 ; 252547 ; 252558 ; 252D / ; 134 38 ;
Abstract
A stripping composition containing O-dichlorobenzene, dodecylbenzene sulfonic acid, perchloroethylene, and optionally an aromatic hydrocarbon containing at least 8 carbon atoms, and use thereof for removing photoresist.