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. 21, 2025
Filed:
Apr. 06, 2021
Eni S.p.a., Rome, IT;
Marcello Notari, San Donato Milanese, IT;
Riccardo Rausa, San Donato Milanese, IT;
Giulio Assanelli, San Donato Milanese, IT;
Giovanni Ferraro, Florence, IT;
Emiliano Fratini, Sesto Fiorentino, IT;
Piero Baglioni, Fiesole, IT;
ENI S.P.A., Rome, IT;
Abstract
A method for the assessment of the dispersing capacity of new and used lubricating compositions, in particular for internal combustion engines, and of additives for lubricating compositions, includes the steps of: providing a homogeneous dispersion of at least one carbonaceous particulate in a composition to be tested, consisting of a lubricating composition or a fraction or component thereof, acquiring at least one micrographic image of a sample of said homogeneous dispersion, deposited on an observation support, and calculating the lacunarity of the acquired image as a parameter representative of the degree of dispersion of the particulate in the composition.