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:
May. 05, 1981
Filed:
Nov. 30, 1979
Applicant:
Inventors:
Werner Kuhnel, Neunkirchen-Schoneshof, DE;
Paul Spielau, Troisdorf-Eschmar, DE;
Assignee:
Dynamit Nobel Aktiengesellschaft, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ;
U.S. Cl.
CPC ...
521 92 ; 521 79 ; 521 95 ; 521 96 ; 521143 ; 521144 ; 521909 ;
Abstract
A process is described for the production of foamed plastics from polyolefins by peroxide crosslinking and foaming by means of a chemical foaming agent under conditions of normal pressure the improvement wherein said foaming is carried out in the additional presence of a finely divided magnesium oxide and/or magnesium hydroxide and/or magnesium-hydroxide carbonate.