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:
Nov. 21, 2017
Filed:
Dec. 14, 2011
Giuseppe Di Silvestro, Lentate sul Seveso, IT;
Yuan Cuiming, Milan, IT;
Marco Ortenzi, Milan, IT;
Hermes Farina, Sorisole, IT;
Tommaso Lugato, Villasanta, IT;
Luca Basilissi, Cornaredo, IT;
Giuseppe Di Silvestro, Lentate sul Seveso, IT;
Yuan Cuiming, Milan, IT;
Marco Ortenzi, Milan, IT;
Hermes Farina, Sorisole, IT;
Tommaso Lugato, Villasanta, IT;
Luca Basilissi, Cornaredo, IT;
UNIVERSITA' DEGLI STUDI DI MILANO, Milan, IT;
Abstract
Disclosed are polymers with a complex branched structure (star- or tree-shaped) obtainable by polymerizing a bifunctional type AB monomer and/or type AA+BB monomers in the presence of: a) one or more polyamine and/or a polyacid and/or a polyalcohol and/or more generally a compound (such as POSS) having at least three functional groups such as amino, carboxylic acid or hydroxyl functions; b) one or more phosphorus containing molecules reacting with only one reactive group during the polymerization; c) optionally one or more organic acid and/or an amine and/or an alcohol having one or two functional groups.