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:
Dec. 12, 2023
Filed:
Jun. 26, 2020
Applicant:
Eni S.p.a., Rome, IT;
Inventors:
Marcello Notari, San Donato Milanese, IT;
Giulio Assanelli, San Donato Milanese, IT;
Alessandro Casnati, Parma, IT;
Francesco Sansone, Parma, IT;
Andrea Magini, Camerino, IT;
Assignee:
ENI S.P.A., Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 159/22 (2006.01); C10N 30/00 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 159/22 (2013.01); C10M 2207/028 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/52 (2020.05); C10N 2040/25 (2013.01);
Abstract
There are mixtures containing calixarenes of formula (I) with a reduced alkyl phenol and linear oligomer content and a preparation process thereof: wherein: Furthermore, there are detergent compositions containing overbased metal salts of calixarenes, a preparation process thereof, and a use thereof in lubricant compositions.