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:
Aug. 05, 2025
Filed:
Aug. 31, 2020
Sika Technology Ag, Baar, CH;
Jean-Louis Rossignol, Jouy le moutier, FR;
Arnaud Zuretti, Cergy, FR;
Fleur Chaignon-Lesetre, Serifontaine, FR;
Anthony Grohar, Clichy, FR;
SIKA TECHNOLOGY AG, Baar, CH;
Abstract
A two-component epoxy resin composition, made of: a resin component including: at least one epoxy resin that contains on average more than one epoxy group per molecule; up to 25 wt.-% of at least one epoxy-functional reactive diluent having one or two epoxy groups per molecule; and a hardener component including: between 40 and 80 wt.-% of at least one amino-functional hardener of formula (I), wherein n is an integer with a value of 2 or 3, Ris a linear, cyclic or branched alkyl residue that optionally contains ether oxygen atoms and Ris a methyl or ethyl group; between 10 and 30 wt.-% of at least one Lewis base having at least one tertiary amino group, amidine group, or guanidine group; and between 10 and 30 wt.-% of at least one carboxylic acid.