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. 09, 2022
Filed:
Mar. 26, 2019
Covestro Intellectual Property Gmbh & Co. KG, Leverkusen, DE;
Stefan Wershofen, Mönchengladbach, DE;
Anton Vidal-Ferran, Cologne, DE;
José Luis Núñez Rico, Motbrio del Camp, ES;
Javier Perez-Ramirez, Zürich, CH;
Begona Puertolas Lacambra, Zürich, CH;
Amol P. Amrute, Lund, SE;
Covestro Intellectual Property GmbH & Co. KG, Leverkusen, DE;
Abstract
The present invention relates to a catalyst for preparing carbamates, in particular aromatic carbamates, comprising a binary oxide having the formula LMO, wherein L is a metal selected from the lanthanoid series and M is a metal selected from the group consisting of Sc, Y, Ti, Zr, Hf, metals from the lanthanoid series and metals from the actinoid series, and wherein x ranges from 0.01 to 0.05. The present invention also relates to a method for producing said catalysts and a method of utilizing said catalysts in the production of carbamates, in particular aromatic carbamates.