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. 05, 2006
Filed:
Dec. 19, 2002
Andrea Bellucci, Amelia, IT;
Walter Cardinali, Cerqueto di Marsciano, IT;
Enzo Cicotti, Sangemini, IT;
Salvatore Consoli, Mestre, IT;
Andrea Bellucci, Amelia, IT;
Walter Cardinali, Cerqueto di Marsciano, IT;
Enzo Cicotti, Sangemini, IT;
Salvatore Consoli, Mestre, IT;
Alcantara S.p.A., Milan, IT;
Abstract
A high durability composite textile material, like a synthetic suede, is prepared according to a procedure that comprises the impregnation of micro-fibers non-woven fabric substrate with a polyurethane-polyurea solution. This polymer solution, is made by a pre-polymerization phase between diisocyanate and polyols, a dilution phase of the pre-polymer thus obtained and an extension step of the pre-polymer, the extension of the pre-polymer free isocyanate groups is carried out by means water addition.