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. 12, 1999
Filed:
Jan. 30, 1998
Applicant:
Inventors:
Pascal Michaud, Saint-Gratien, FR;
Jean-Jacques Martin, Bois-Colombes, FR;
Assignee:
Elf Atochem S. A., , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C23G / ; B01D / ;
U.S. Cl.
CPC ...
510408 ; 510177 ; 510256 ; 510273 ; 510410 ; 510411 ; 252194 ;
Abstract
In order to replace compositions based on CFC or on HCFC in applications for cleaning or drying solid surfaces (in particular defluxing), the invention proposes azeotropic or virtually azeotropic compositions based on 1,1,1,2,3,4,4,5,5,5-decafluoropentane, methylene chloride and optionally methanol.