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. 01, 1997
Filed:
Aug. 11, 1994
Applicant:
Inventors:
Kirtland P Clark, Bethel, CT (US);
Eduard K Kleiner, Pound Ridge, NY (US);
Assignee:
Dynax Corporation, Elmsford, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62D / ;
U.S. Cl.
CPC ...
252-2 ; 252-3 ; 252-805 ; 252355 ;
Abstract
This invention relates to synergistic surfactant compositions based on water insoluble amphoteric fluorochemical surfactants and water soluble anionic hydrocarbon or fluorochemical surfactants of the sulfate or sulfonate type and aqueous film forming foam agents derived from such synergistic surfactant compositions and a method to treat the aqueous waste stream generated by such aqueous film forming foam agents.