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. 01, 2008
Filed:
Aug. 02, 2002
Steffen Kudis, Mannheim, DE;
Rene Lochtman, Mannheim, DE;
Manfred Ehresmann, Ludwigshafen, DE;
Michael Keil, Freinsheim, DE;
Joachim Gebhardt, Wachenheim, DE;
Michael Rack, Heidelberg, DE;
Ralf Schimetzek, Speyer, DE;
Steffen Kudis, Mannheim, DE;
Rene Lochtman, Mannheim, DE;
Manfred Ehresmann, Ludwigshafen, DE;
Michael Keil, Freinsheim, DE;
Joachim Gebhardt, Wachenheim, DE;
Michael Rack, Heidelberg, DE;
Ralf Schimetzek, Speyer, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
In a continuous process for the preparation of alkyl nitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.