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. 29, 1982
Filed:
Nov. 12, 1980
Applicant:
Inventors:
Josef K Rigler, Recklinghausen, DE;
Hans-Josef Ratajczak, Marl, DE;
Horst Leithauser, Marl, DE;
Karl Trukenbrod, Marl, DE;
Assignee:
Chemische Werke Huls AG, Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 96 ; 260D / ; 521 98 ; 521146 ; 521907 ; 524366 ; 524464 ;
Abstract
Self-extinguishing, fine particulate, expandable styrene polymers for the manufacture of molded articles, containing bromine compounds and one synergist. The synergist, referred to the styrene polymer, is at least one hydrocarbon present in amounts from about 0.1 to 3% by weight and forms stable radicals at temperatures above 300.degree. C.