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. 03, 2007
Filed:
Dec. 21, 2005
Martyn Poliakoff, Nottingham, GB;
Paul Hamley, Nottingham, GB;
Chong Yan, Nottingham, GB;
Eduardo Garcia-verdugo Cepeda, Castellon, ES;
Graham Robert Aird, County Durham, GB;
Alexander Stuart Coote, Cleveland, GB;
Ian Pearson, Cleveland, GB;
William Barry Thomas, Cleveland, GB;
Martyn Poliakoff, Nottingham, GB;
Paul Hamley, Nottingham, GB;
Chong Yan, Nottingham, GB;
Eduardo Garcia-Verdugo Cepeda, Castellon, ES;
Graham Robert Aird, County Durham, GB;
Alexander Stuart Coote, Cleveland, GB;
Ian Pearson, Cleveland, GB;
William Barry Thomas, Cleveland, GB;
Invista North America S. AR. L., Wilmington, DE (US);
Abstract
A process for the manufacture of a lactam from an amino alkane nitrile and/or its hydrolysis derivatives, comprising reacting a solution comprising at least about 5% by weight amino alkane nitrile in water at a temperature of greater than or equal to about 350° C. and at a pressure of greater than about 250 bar. Optionally, a dilute acid may be added as a catalyst.