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. 26, 1991
Filed:
Nov. 06, 1989
Applicant:
Inventors:
Alberto Greco, Dresano, IT;
Sergio Giordano, Peschiera Borromeo, IT;
Enrico Pozzi, Milan, IT;
Patrizia Blasioli, Biassono, IT;
Assignees:
Enichem Synthesis S.p.A., Palermo, IT;
Boston S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 80 ; 528 83 ; 528 85 ;
Abstract
A reactive hot melt composition comprises the products of the reaction between (A) an aliphatic or aromatic diisocyanate and (B) a mixture containing: (1) a crystalline polycarbonate diol, (2) an elastomeric polycarbonate diol or an elastomeric polycarbonate copolyester diol, and possibly (3) a vitreous polycarbonate diol or a vitreous polycarbonate copolyester diol. The process for preparing the reactive hot melt composition is also described .