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:
Feb. 09, 2010
Filed:
Jan. 28, 2005
Massimo Paladini, Bergamo, IT;
Francesco Spini, Bergamo, IT;
Alessandro Scalvedi, Almé, IT;
Maurizio Bellotto, Milan, IT;
Jean Claude Valle, Bergamo, IT;
Massimo Paladini, Bergamo, IT;
Francesco Spini, Bergamo, IT;
Alessandro Scalvedi, Almé, IT;
Maurizio Bellotto, Milan, IT;
Jean Claude Valle, Bergamo, IT;
Giovanni Bozzetto S.p.A., Filago (BG), IT;
Abstract
A method of use of polyaminomethylenephosphonates as dispersing, wetting, and/or stabilizing agents in formulations for cements, detergents, ceramic materials, dyes, synthetic resins, rubbers, drilling fluids, and for reverse osmosis includes the step of adding a polyaminomethylenephosphonate having the formula: wherein n is an integer higher than 2, M is an alkaline metal or the ammonium ion, and R is: —CHPOM; —CHZ, wherein Z is —CHOH, —CHOHCH, —CHOHCHCl, or —CHOHCHOH; —(CH)SOM, m being 3 or 4; —CHCHT, wherein T is —CONH, —CONH, —CHO, —COOQ, —COOX, CN, wherein Q is —CHor —CHand X is an alkaline metal ion or the ammonium ion; and wherein the polyaminomethylenephosphonate is present in a weight quantity of over 0.01% with respect to the total weight of the formulation.