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. 30, 1982
Filed:
Nov. 05, 1980
Applicant:
Inventors:
Piero Di Battista, San Donato Milanese, IT;
Giuseppe Nelli, Milan, IT;
Francesco Gratani, Sesto San Giovanni, IT;
Assignee:
Montedison S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528289 ; 528176 ; 528184 ; 528291 ; 525177 ; 525425 ; 525440 ;
Abstract
New polyesters of N,N-di-alkanol-amines with di-(hydroxy-alkyl-benzyl) malonic acids are disclosed. The new polyesters are useful for stabilizing thermoplastic polymers, in particular polyolefins, against sunlight, heat and oxidation. A process for producing the new polyesters is also disclosed, as well as the polymeric compositions stabilized with said new polyesters.