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:
Jul. 28, 2026
Filed:
Feb. 10, 2020
Avantium Knowledge Centre B.v., Amsterdam, NL;
Matthew Francis Philips, Amsterdam, NL;
Davide Ansovini, Amsterdam, NL;
Marta Catarina Costa Figueiredo, Amsterdam, NL;
Avantium Knowledge Centre B.V., Amsterdam, NL;
Abstract
Method for the preparation of a gas diffusion layer, containing the steps of: a) preparing a carrier-binder paste comprising a solvent, a fluorinated binder and conductive carrier articles; b) preparing an adhesive composition comprising a solvent, a fluorinated binder and essentially no or equal to or less than 15 wt. % of conductive carrier particles, based on the total weight of fluorinated binder and any conductive carrier particles; and c) combining a layer of supporting material, a layer of the adhesive composition and a layer of the carrier-binder paste, wherein the layer of the adhesive composition is applied between the layer of supporting material and the layer of the carrier-binder paste, and pressing the combination of supporting material, adhesive composition and carrier-binder paste at a pressure of at least 15 kilopascal and/or heating the combination of supporting material, adhesive composition and carrier-binder paste at a temperature of at least 300° C.