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:
Sep. 24, 1991
Filed:
May. 17, 1989
Applicant:
Inventors:
Silvestro Costanzi, Milan, IT;
Luigi Cassar, Milan, IT;
Carlo Bosetto, Milan, IT;
Carlo Neri, Milan, IT;
Damiano Gussoni, Milan, IT;
Assignee:
Enichem Synthesis S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 99 ; 546 14 ; 528 27 ; 528 15 ; 528 18 ; 528 14 ; 528 19 ; 556407 ; 556425 ;
Abstract
Polymeric stabilizer compounds with a polyorganosiloxane structure suitable for stabilizing organic polymers against UV radiation and heat, containing sterically hindered piperidino groups in their molecule and easily prepared in well defined, predetermined structures.