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. 14, 1982
Filed:
Apr. 02, 1981
Applicant:
Inventors:
Osvaldo Cicchetti, Milan, IT;
Spartaco Fontani, Milan, IT;
Gianluigi Landoni, Milan, IT;
Renato Locatelli, Ferrara, IT;
Guido Bertelli, Ferrara, IT;
Pierpaolo Roma, Ferrara, IT;
Assignee:
Montedison S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528248 ; 524593 ; 524597 ; 528252 ;
Abstract
There is disclosed a solid and water-insoluble condensation product of N,N'-ethyleneurea with formaldehyde, having the structure ##STR1## wherein n is an integer from 20 to 60 with a mean value of 41, and having an average number molecular weight M.sub.n ranging from 2000 to 6000. Said product, when added to a polymer in combination with an ammonium phosphate, results in the production of articles which are resistant to heat and to thermo-oxidation.