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:
Feb. 22, 2022
Filed:
Nov. 14, 2017
Basf SE, Ludwigshafen am Rhein, DE;
Johann Martin Szeifert, Ludwigshafen am Rhein, DE;
Bernhard Vath, Ludwigshafen am Rhein, DE;
Tobias Heinz Steinke, Ludwigshafen am Rhein, DE;
Bettina Wester, Ludwigshafen am Rhein, DE;
Cecile Schneider, Ludwigshafen am Rhein, DE;
Sebastian Alexander Weisse, Ludwigshafen am Rhein, DE;
Peter Wolf, Ludwigshafen am Rhein, DE;
Werner Lenz, Ludwigshafen am Rhein, DE;
Axel Kirste, Ludwigshafen am Rhein, DE;
David John Pung, Cincinnati, OH (US);
Megan Roberts, Cincinnati, OH (US);
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
A process for producing a melamine-formaldehyde foam by heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising at least one melamine-formal-dehyde precondensate, at least one curative, at least one surfactant, at least one blowing agent and at least one linear polymer with a number average molecular weight Min the range from 500 to 10,000 g/mol and at least two functional groups selected from OH, NHor COOH as well as a melamine-formaldehyde foam obtainable by this process and its use.