Patent EP0341621A2 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0341621A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Electrical cables containing insulations based on ethylene polymerisates with a high resistance capability against the formation of water trees

Assignee: BASF SE
•
Filing: 1989-05-06
•
Granted: —
•
Expires: 2009-05-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Die Erfindung betrifft elektrisches Hochspannungskabel von 1 bis 500 kV, wobei die Kabelisolierung gegenüber dem Entstehen oder dem Wachstum von Wasserbäumchen (water trees) widerstandsfähig ist und besteht aus 70 bis 99 Gew.-Teilen eines Ethylenpolymerisats (I) und 1 bis 30 Gew.-Teilen eines Ethylencopolymerisat (II), das aus 80 bis 92 Gew.% Ethylen und 8 bis 20 Gew.% C₄-C₁₀-α-Olefins mit einer Dichte von 0,890 bis 0,915 g/cm³ und einer Kristallitschmelztemperatur von 90 bis 125°C, besteht. The invention relates to high-voltage electrical cables of 1 to 500 kV, the cable insulation being resistant to the formation or growth of water trees and consisting of 70 to 99 parts by weight of an ethylene polymer (I) and 1 to 30 parts by weight. Parts of an ethylene copolymer (II) which consists of 80 to 92% by weight of ethylene and 8 to 20% by weight of C₄-C₁₀-α-olefin with a density of 0.890 to 0.915 g / cm³ and a crystallite melting temperature of 90 to 125 ° C, consists.

Inventors

  • 👤 Ernst Dr. Koehnlen
  • 👤 Johannes Dr. Schlag
  • 👤 Heinz Dr. Vogt
  • 👤 Peter Bauer
  • 👤 Alfred Friedrich Dr. Hauss

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 15:16
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/2813; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; Y; Y02; Y02A; Y02A30/00; Y02A30/14; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag