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:
Dec. 27, 2011
Filed:
Oct. 06, 2007
Harald Bauer, Kerpen, DE;
Werner Krause, Huerth, DE;
Peter Staniek, Binzen, DE;
Clariant Finance (BVI) Limited, Tortola, VG;
Abstract
The invention relates to an ethylenebis(hydroxyalkylphosphinic acid) and salts thereof. The acid has the general formula: A-P(O)(OX)—CRR—CRR—P(O)(OX)-A. Variable A is CRR—OH. Variables R, R, R, R, R, and Rare the same or different, and denote independently from each other H, C-Calkyl, C-Caryl, or C-Caralkyl, so long as at least one of Rand Ris H and at least one of Rand Ris H. Variable X denotes H, an alkali metal, an element of main or transition group 2, an element of main or transition group 3, an element of main or transition group 4, an element of main or transition group 5, an element of transition group 6, an element of transition group 7, an element of transition group 8 and/or a nitrogen base. Also disclosed are a method for producing same and the use thereof.