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:
Mar. 04, 2025
Filed:
Oct. 18, 2019
Arkema France, Colombes, FR;
Carine Fouilliart, Verneuil en Halatte, FR;
Virginie Ducastel, Verneuil en Halatte, FR;
Vincent Leroy, Verneuil en Halatte, FR;
Dmitri Colesnic, Verneuil en Halatte, FR;
Arkema France, Colombes, FR;
Abstract
The present invention relates to a rheology additive, according to which A) said additive consists of: a) at least one symmetrical fatty diamide of formula (I): (AGH)-CONH-(PMDA)-NHCO-(AGH) (I) with: (AGH): hydroxylated fatty acid residue R1CO2H, without —CO2H group, with R1 of C18 to C20 comprising a hydroxyl group, —NHCO— or —CONH—: amide group, —(PMDA): residue without amine groups of 1,5-pentamethylenediamine; or alternatively according to which: B) said additive comprises: a) at least one symmetrical fatty diamide as defined above according to formula (I) and, in addition, b) at least one other symmetrical fatty diamide of formula (II): (AGH)-CONH-(R)-NHCO-(AGH) (II) with (AGH), —NHCO— and —CONH— having the same definition as that above in said formula (I), and (R) being the residue without amine groups of a diamine, other than (PMDA), chosen from a cycloaliphatic, aliphatic or aromatic diamine.