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:
Oct. 24, 2023
Filed:
Apr. 01, 2020
Basf SE, Ludwigshafen am Rhein, DE;
Frank Rittig, Ludwigshafen am Rhein, DE;
Marcel Harhausen, Ludwigshafen am Rhein, DE;
Thorsten Schoeppe, Ludwigshafen am Rhein, DE;
Marcus Leubner, Ludwigshafen am Rhein, DE;
Lu Yi Zhang, Shanghai, CN;
Markus Hansch, Ludwigshafen am Rhein, DE;
Kian Molawi, Ludwigshafen am Rhein, DE;
Jan Strittmatter, Ludwigshafen am Rhein, DE;
Abstract
The present invention relates to a method of processing a workpiece comprising contacting a tool and a workpiece to effect a change in the shape of the workpiece, and applying a metalworking fluid to a surface area where the tool and the workpiece are in contact, where the metalworking fluid contains a propoxylate of the formula R—O—(CHO)—H, where R is a branched Cto Calkyl and n is from 3 to 30. The invention further relates to the metalworking fluid, and to a use of the propoxylate as additive in metalworking fluids.