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:
Jul. 24, 1984
Filed:
Oct. 02, 1979
Applicant:
Inventors:
Michel Barbarin, Enghien-les-Bains, FR;
Ghislain Dufau, Bouffemont-Moisselles, FR;
Assignee:
Seppic, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01F / ; B01F / ; B01F / ;
U.S. Cl.
CPC ...
252307 ; 47-2 ; 175 71 ; 252-3 ; 252355 ; 252356 ; 252357 ; 252D / ; 252D / ; 261D / ; 501 84 ;
Abstract
Use of fatty amines of general formula: ##STR1## wherein R.sub.1 may be a hydrogen atom, or a straight or branched alkyl radical, saturated and containing 4 to 18 atoms of carbon and wherein R.sub.2 is a straight or branched alkyl radical, saturated and containing 4 to 18 atoms of carbon, together with surface agents, to obtain foaming mixtures leading to improved foams. 2 to 50% amines are added, with respect to the weight of the surface agents. Application in the field of fire extinguishing foams, drilling, and in the production of lightweight products.