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:
May. 24, 2005
Filed:
Jun. 02, 2001
Hermann Luyken, Ludwigshafen, DE;
Frank Ohlbach, Dossenheim, DE;
Stefan Maixner, Schwetzingen, DE;
Rolf-hartmuth Fischer, Heidelberg, DE;
Johann-peter Melder, Böhl-Iggelheim, DE;
Peter Bassler, Viernheim, DE;
Andreas Ansmann, Wiesloch, DE;
Hermann Luyken, Ludwigshafen, DE;
Frank Ohlbach, Dossenheim, DE;
Stefan Maixner, Schwetzingen, DE;
Rolf-Hartmuth Fischer, Heidelberg, DE;
Johann-Peter Melder, Böhl-Iggelheim, DE;
Peter Bassler, Viernheim, DE;
Andreas Ansmann, Wiesloch, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for distillative removal of ammonia from solutions (I) which include a lactam and ammonia comprises effecting said removal in a distillation apparatus (a) at an absolute pressure of less than 10 bar.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile