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:
Nov. 20, 2018
Filed:
Oct. 07, 2014
Chemetall Gmbh, Frankfurt am Main, DE;
Peter Bons, Reichelsheim, DE;
Rüdiger Rein, Bad Vilbel, DE;
Jörg Wörner, Bruchköbel, DE;
Finlay Aiston, Frankfurt, DE;
Chemetall GmbH, Frankfurt am Main, DE;
Abstract
The invention relates to fissure-detection agents for fault detection according to the penetration method of metallic and/or non-metallic components, which are a microemulsion comprising at least 10 wt. % of water A), at least 0.1 wt. % of at least one dye B), at least 5 wt. % of at least one substantially water-insoluble liquid phase C) and at least 2 wt. % of at least one surfactant D) selected from non-ionic, anionic and/or amphoteric surfactants, the sum of all constituents being 100 wt. %, wherein the fissure-detection agent has a mean particle size in the range of 1 to 250 nm and a transparency of at least 70% at 600 nm. The invention also relates to the production of said fissure-detection agents, to a process for their preparation or/and disposal, and their use.