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. 13, 1981
Filed:
Oct. 11, 1979
Alfons Klein, Duesseldorf, DE;
Rudolf Kron, Leverkusen, DE;
Karlfried Wedemeyer, Cologne, DE;
Ernst Knust, Leverkusen, DE;
Lothar Havenith, Leverkusen, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
A dielectric composition comprising a mixture of monoisopropylated diphenyls and polyisopropylated diphenyls, especially a mixture of 30 to 60 parts by weight of monoisopropylated diphenyls and 70 to 40 parts by weight of polyisopropylated diphenyls, the polyisopropylated diphenyls preferably being made up in turn of 60 to 85 parts by weight of diisopropylated diphenyls, 10 to 35 parts by weight of triisopropylated diphenyls and 0.5 to 5 parts by weight of tetraisopropylated diphenyls, these latter amounts being based upon the total amount of the polyisopropylated diphenyls.