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. 19, 2016
Filed:
Feb. 27, 2015
Metadynea Austria Gmbh, Krems, AT;
Thomas Zich, Linz, AT;
Fritz Johann Freidl, Krems, AT;
Bernadette Mehofer, Krems, AT;
Manfred Doring, Worth Am Rhein, DE;
Michael Ciesielski, Merseberg, DE;
Bettina Burk, Darmstadt, DE;
METADYNEA AUSTRIA GmbH, Krems, AT;
Abstract
A method for producing compounds of formula (I) in which the radical Ris selected from —NH, —NHAz, and monovalent alkyl and aryl radicals, the radicals A are selected in each case independently of one another from the phosphoryl radicals DOPO-, DPhPO- and DPhOPO-, and the indices x, y and z, in each case independently of one another, stand for 0 or 1, wherein at least one of the indices is ≠0, by reacting, in a first step, melamine or, when Ris an alkyl or aryl radical, the corresponding alkyl or aryl guanamine, with one or more of the corresponding phosphinyl chlorides DOP-CI, DPhP-Cl and DPhOP-CI, in order to bond one or more phosphinyl radicals to the amino groups(s) of the melamine or guanamine, and in a second step oxidizing the phosphinyl radical(s) by reaction with an oxidizing agent to give the corresponding phosphoryl radical(s).