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:
Jan. 21, 2020
Filed:
Oct. 16, 2018
Advansix Resins & Chemicals Llc, Parsippany, NJ (US);
Alan B. Levy, Randolph, NJ (US);
Robert Raja, Fair Oak, GB;
Stephanie H. Newland, Kintbury, GB;
Scott R. Keenan, Marlton, NJ (US);
Simon R. Bare, Naperville, IL (US);
AdvanSix Resins & Chemicals LLC, Parsippany, NJ (US);
University of Southampton, Southampton, GB;
Abstract
Methods for producing lactams from oximes by performing a Beckmann rearrangement using a hierarchical porous aluminophosphate catalyst having interconnected microporous and mesoporous networks are provided. Exemplary catalysts include a plurality of weak Brønsted acid active sites, including silicon-containing aluminophosphates having the IZA framework code AFI, such as SAPO-5, CHA, such as SAPO-34, and FAU, such as SAPO-37.