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:
Apr. 12, 1994
Filed:
Feb. 20, 1991
Applicant:
Inventors:
Daniel Desbiendras, Villetaneuse, FR;
Jean-Jacques Martin, Bois-Colombes, FR;
Pascal Michaud, Saint-Gratien, FR;
Assignee:
Societe Atochem, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23G / ; H05K / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
134 40 ; 134 12 ; 134 31 ; 134 38 ; 134 42 ; 252162 ; 252170 ; 252171 ; 252172 ; 252194 ; 252364 ; 252D / ;
Abstract
To replace 1,1,2-trichloro-1,2,2-trifluoroethane (F113) in its applications to the cleaning and drying of solid surfaces, the invention propose to employ a (perfluoroalkyl) ethylene of formula: