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:
Oct. 27, 1992
Filed:
Apr. 18, 1991
Applicant:
Inventor:
Chien C Li, East Aurora, NY (US);
Assignee:
Allied-Signal Inc., Morris Township, Morris County, US;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 40 ; 252162 ; 252172 ; 252364 ;
Abstract
A method of cleaning a surface of a substrate is provided. The solvent is selected from a group consisting of hydrochlorofluorocarbons having 3 to 5 carbon atoms and a maximum of two chlorine atoms. The environmental lifetime of the solvent is expected to be less than one year.