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:
Jun. 11, 1985
Filed:
Jun. 06, 1984
Applicant:
Inventors:
Otto Vogl, New Rochelle, NY (US);
Eberhard Borsig, Bratislava, CS;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528288 ; 525 26 ; 525 47 ; 526328 ; 5263292 ; 528289 ; 528303 ; 528304 ;
Abstract
An unsaturated polyester, such as propylene glycol-maleic acid-phthalic acid prepolymer dissolved in styrene is interpolymerized with an ultraviolet absorber of the formula: ##STR1## and/or an antioxidant of the formula ##STR2## where R and R.sup.2 are selected from H or lower alkyl such as methyl and R.sup.1 is tertiary alkyl such as tertiary butyl to form a polymer stable to exposure to the outdoors without degradation by ultraviolet radiation, thermal and/or photooxidation.