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:
Oct. 28, 1980
Filed:
Feb. 26, 1979
Applicant:
Inventor:
Jean-Noel M Bertrand, Wezembeek-Oppem, BE;
Assignee:
Labofina, S.A., Brussels, BE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
521 95 ; 252-81 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 521907 ;
Abstract
Disclosed is a self-extinguishing polystyrenic composition comprising a polystyrenic resin, a fire-retardant amount of a halogenated organic fire-retardant agent and a benzotriazolic compound having the formula ##STR1## wherein R.sub.1 is H or --CH.sub.3 and R.sub.2 is H or --CH.sub.2 N(R.sub.3).sub.2 wherein R.sub.3 is H, an alkyl radical containing from about 1 to 12 carbon atoms or --CH.sub.2 CH.sub.2 OH, in an amount between about 1 and 50% of the weight of said fire-retardant agent.