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:
May. 20, 1980
Filed:
Jul. 17, 1978
Applicant:
Inventors:
Peter Wirtz, Konigstein, DE;
Richard Broall, Langen, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62D / ;
U.S. Cl.
CPC ...
252-805 ; 252-3 ;
Abstract
Aqueous solutions containing an aliphatic amine-N-oxide and a member of a special group of fluorinated surfactants (I) can be used with success as foaming agents for extinguishing liquid hydrocabon fires. (I) has the formula ##STR1## in which R.sub.F is a perfluoroalkyl group having from 3 to 16 carbon atoms,