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. 03, 1990
Filed:
Jul. 12, 1989
Applicant:
Inventors:
Alain L Lenack, Bonsecours, FR;
Fernand J Kech, Mont-Saint-Aignan, FR;
Assignee:
Exxon Chemical Patents Inc., Linden, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 493 ; 252 77 ; 72 42 ;
Abstract
Aqueous fluids having a good combination of anti-bacterial properties, stability in hard water, a reduced foaming tendency in soft water and at times a reduced boron content are obtained by the use as additive of a combination of a water-soluble hydroxy di- or tri- carboxylic acid an an excess of an alkanolamine, additive concentrates for incorporation into the aqueous fluids and the aqueous fluids themselves.