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. 20, 1992
Filed:
Apr. 10, 1990
Applicant:
Inventors:
Paolo Koch, Melegnano, IT;
Fulvio Giavazzi, San Giuliano Milanese, IT;
Assignee:
AGIP Petroli S.p.A., Rome, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ; C07D / ; C07C / ;
U.S. Cl.
CPC ...
44331 ; 44347 ; 548520 ; 564134 ; 564138 ; 252 / ;
Abstract
An additive for fuels and lubricating oils with detergent, dispersant and anti-rust properties is described, consisting essentially of the product of condensing a mixture of alkenylsuccinic acids or anhydrides of formula (I) ##STR1## where m and n, mutually independently, represent 0 or a whole number between 1 and 10 and are such that their sum is 9 or 10, and >R is >O or (--OH, --OH), with triethylenetetramine of formula (II)