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:
Feb. 23, 1993
Filed:
Apr. 29, 1991
Applicant:
Inventors:
Luciano Canova, Novara, IT;
Ettore Santoro, Milan, IT;
Luciano Bonoli, Novara, IT;
Paolo Falchi, Chieti, IT;
Assignee:
Societa' Italiana Additivi Per Carburanti s.r.l., Pescara, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585-4 ; 585-1 ; 585-2 ; 585-3 ;
Abstract
The filter plugging point and the pour-point at low temperatures of compositions based on liquid hydrocarbons from refining are improved by means of the addition, preferably in solution, of a mixture of an ethylene copolymer with another copolymerizable monomer and of an imidized acrylic polymer.