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:
Jul. 03, 1984
Filed:
Jan. 27, 1983
Applicant:
Inventors:
Hans-Joachim Henkel, Erlangen, DE;
Norbert Muller, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524100 ; 524101 ;
Abstract
The invention relates to electrical insulation material of a polyolefin composition containing an additive which prevents the formation of so-called water trees. Barbituric acid compounds are the additives and include barbituric acid, 2-thiobarbituric acid or substituted barbituric or thiobarbituric acid derivatives. The electrical insulation according to the invention is suited particularly for use in cables and wires.